19 Best OneSignal Alternatives

Our Pick for SaaS Companies

4.8avg rating

Sequenzy

SaaS-focusedAI-poweredStripe integrationFlat pricing

Email marketing for SaaS with AI content generation and native Stripe integration. Not multi-channel like OneSignal, but purpose-built for SaaS email marketing.

Sequenzy's AI can generate entire onboarding sequences from a short description, and its Stripe sync automatically tags subscribers based on billing status—something OneSignal has no concept of. Pricing is a flat $49/month for 120,000 emails, unlimited subscribers with no usage-based surprises, unlike OneSignal's variable per-MAU and per-email charges. Best for SaaS teams who only need email and want predictable billing with zero push notification overhead.

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Best for

SaaS teams needing email marketing with Stripe sync

Pricing

$49/month for 120,000 emails, unlimited subscribers

Pros

Purpose-built for SaaS email marketing
AI generates entire email sequences
Native Stripe integration
Simpler flat pricing
Unified transactional + marketing

Cons

No push notifications
No mobile SDKs
Email only - not multi-channel
Different purpose than OneSignal

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4.3avg rating

Firebase Cloud Messaging

FreeGoogle ecosystemPush onlyMobile SDKs

Google's free push notification service. Completely free at any scale if you only need push without the marketing features.

Firebase handles billions of messages daily with Google-grade reliability, and the SDKs for iOS, Android, and web are mature and well-documented. The catch is you get zero marketing tools—no segmentation, no analytics dashboard, no automation workflows—so you'll build everything yourself or pair it with another tool. Best for mobile apps that need reliable push delivery without paying OneSignal's $0.012/MAU charges, as long as the team has engineering resources to fill in the gaps.

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Best for

Mobile apps wanting free push notifications

Pricing

Free

Pros

Completely free at any scale
Google reliability and infrastructure
Excellent mobile SDKs
Cross-platform (iOS, Android, Web)
Well documented

Cons

Push only - no email or SMS
No marketing features
Build your own UI and analytics
No automation workflows

4.6avg rating

Knock

In-app UIMulti-channelDeveloper-firstPremium

Premium notification infrastructure with in-app notification UI components. More expensive but more sophisticated than OneSignal.

Knock provides pre-built React and vanilla JS components for notification feeds, preferences, and toasts—the kind of in-app notification bell you see in GitHub or Notion that OneSignal doesn't offer. The workflow engine supports complex branching, batching, and channel fallbacks that go beyond OneSignal's journey builder. However, there's a steep pricing cliff: free tier to $250/month with nothing in between, which prices out smaller teams. Best for funded startups or mid-market companies that need polished in-app notification UI alongside multi-channel delivery.

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Best for

Teams needing polished notification infrastructure

Pricing

Free (10k messages), $250/mo Starter

Pros

Pre-built in-app notification UI
Multi-channel (email, push, SMS, in-app)
Excellent developer experience
More sophisticated workflows than OneSignal
In-app notification feeds

Cons

Expensive after free tier ($250/mo)
No middle pricing tier
Overkill for simple push
Proprietary platform

4.5avg rating

Novu

Open-sourceSelf-hostableMulti-channelDeveloper-first

Open-source notification infrastructure. Self-host for free or use cloud. Good OneSignal alternative for teams wanting control.

Novu supports push, email, SMS, in-app, and chat channels with a visual workflow editor, and you can inspect and modify every line of the code running your notifications. The cloud option starts at $30/month which is significantly cheaper than Knock's $250/month jump, though the platform is less polished than OneSignal's dashboard. Self-hosting requires real DevOps commitment—Docker, databases, and monitoring—but gives you complete data ownership. Best for engineering teams that value open-source principles and want to avoid vendor lock-in on their notification infrastructure.

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Best for

Teams wanting open-source notifications

Pricing

Free (self-hosted) or $30/mo cloud

Pros

Open-source and self-hostable
Multi-channel support
More affordable cloud than Knock
Full control if self-hosted
Growing community

Cons

Self-hosting requires DevOps
Less polished than OneSignal
Documentation still improving
Cloud is newer

4.0avg rating

Pusher Beams

Push onlyReal-timePusher ecosystemSimple

Push notifications from Pusher. Simple to integrate if you're already using Pusher for real-time features.

Beams provides a focused push API without the marketing overhead of OneSignal—just device registration and message delivery with clean SDKs for iOS, Android, and web. The free tier covers 1,000 concurrent devices, and paid plans start at $29/month with straightforward per-device pricing. The trade-off is that Beams is push-only with a much smaller feature set than OneSignal—no email, no SMS, no automation, no segmentation UI. Best for teams already invested in the Pusher ecosystem who want push notifications without switching to a separate vendor.

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Best for

Teams already using Pusher ecosystem

Pricing

Free up to 1k devices, $29/mo after

Pros

Simple integration
Good documentation
Reliable infrastructure
Part of Pusher ecosystem
Easy to get started

Cons

Push only - no email
Less features than OneSignal
Smaller ecosystem
No marketing automation

4.4avg rating

MagicBell

In-app UINotification bellReact/VueUsage-based

In-app notification bells with multi-channel support. Better for in-app UI than OneSignal, which focuses on push and email.

MagicBell provides drop-in React, Vue, and vanilla JS components for notification bells, inboxes, and preference centers that you can theme to match your app. The multi-channel support covers push, email, SMS, and in-app with a unified API, but the real differentiator is how quickly you can add a polished notification center to your product — something OneSignal doesn't offer at all. Usage-based pricing after a 100 MAU free tier can be hard to predict, similar to OneSignal's pricing unpredictability. Best for product teams that want beautiful in-app notification UI without building it from scratch.

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Best for

Teams needing in-app notification components

Pricing

Free up to 100 MAU, usage-based after

Pros

Pre-built notification bell UI
React, Vue, vanilla JS components
Multi-channel support
Good developer experience
Clean design

Cons

Less push-focused than OneSignal
Smaller company
Usage-based pricing
Fewer integrations

4.6avg rating

Customer.io

Behavioral automationMulti-channelPLG-focusedEnterprise-ready

Behavioral messaging platform with multi-channel support. More marketing-focused than OneSignal with sophisticated automation.

Customer.io lets you trigger messages based on any event or attribute in your user data, with a visual workflow builder that supports branching, delays, and A/B testing across email, push, SMS, and in-app channels. Unlike OneSignal's simpler journey builder, Customer.io is built for complex product-led growth scenarios like trial conversion funnels and usage-based re-engagement. Starting at $100/month for 5,000 profiles, it's considerably more expensive than OneSignal but far more capable for marketing automation. Best for PLG companies willing to invest in sophisticated behavioral messaging rather than basic push notifications.

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Best for

PLG companies with complex behavioral automation

Pricing

$100/month for 5,000 profiles (Essentials)

Pros

Powerful behavioral automation
Multi-channel messaging
Marketing + notifications
Excellent API
Mature platform

Cons

More expensive than OneSignal
Steep learning curve
No in-app notification UI
Requires engineering resources

What users say

View source reviews

Sarit Rosenthal Aviram · Trustpilot

“Renewal terms were changed without a proper notification! They tried a sneaky way to add conditions to the renewal contract, and increased their pricing. They are not flexible at all on those terms even though we are their customers for many years.”

Good Comfort · Trustpilot

“After months of trying to make Customer.io work for our business, I can say with confidence: unless you have a dedicated engineering team and endless patience, look elsewhere.”

4.3avg rating

Courier

Visual designerMulti-channelNo-code templatesEnterprise

Multi-channel notification orchestration with visual designer. Good for teams with non-technical stakeholders designing notifications.

Courier's drag-and-drop template builder lets product managers and marketers create multi-channel notifications without writing code, while developers manage the routing and delivery logic via API. It supports push, email, SMS, chat, and in-app with provider-agnostic routing—you can swap underlying providers without changing your code. The pricing jumps sharply from a 10k notification free tier to $500+/month, making it more expensive than both OneSignal and Knock. Best for teams where non-technical stakeholders need to control notification content and design without developer bottlenecks.

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Best for

Teams wanting visual notification design

Pricing

Free up to 10k notifications, $500+/mo

Pros

Visual template designer
Multi-channel support
Non-dev friendly
Preference management
Good integrations

Cons

Expensive after free tier ($500/mo+)
Less push-focused than OneSignal
Complex pricing
Smaller ecosystem

4.5avg rating

Braze

EnterpriseMobile-firstCross-channelAI personalization

Enterprise mobile-first customer engagement platform. Overkill for most, but best-in-class for large mobile apps that have outgrown OneSignal.

Braze powers push, email, SMS, in-app messaging, and content cards for some of the world's largest mobile-first companies, with real-time data streaming and cross-channel orchestration that's genuinely best-in-class. The mobile SDKs are more mature and feature-rich than OneSignal's, with capabilities like location-based triggering, AI personalization, and dynamic content optimization. Custom enterprise pricing starts around $10k+/month with a long sales cycle, putting it firmly out of reach for startups and SMBs. Best for enterprise mobile apps with large user bases where OneSignal's features feel limiting.

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Best for

Enterprise mobile apps with big budgets

Pricing

Custom enterprise pricing (~$10k+/mo)

Pros

Best-in-class mobile engagement
Push, email, SMS, in-app
Sophisticated AI automation
Excellent mobile SDKs
Enterprise scale

Cons

Very expensive (~$10k+/mo)
Enterprise sales process
Overkill for SMBs
Complex implementation

#10

4.4avg rating

Iterable

Cross-channel marketingAI optimizationEnterpriseWorkflow builder

Enterprise cross-channel marketing platform. Push, email, SMS, in-app with sophisticated automation that OneSignal can't match.

Iterable's workflow studio handles complex cross-channel journeys with AI-powered send-time optimization and channel selection, going well beyond OneSignal's journey builder in terms of marketing sophistication. The platform is particularly strong at combining behavioral data with marketing automation—think dynamic content personalization based on real-time user actions across every channel. Custom pricing starts around $500+/month with a sales-led process, which is expensive but significantly cheaper than Braze. Best for mid-market to enterprise teams that need true cross-channel marketing automation, not just notification delivery.

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Best for

Enterprise cross-channel marketing

Pricing

Custom pricing (~$500+/mo minimum)

Pros

Cross-channel marketing
Sophisticated AI automation
Push included
Good mobile support
Enterprise features

Cons

Enterprise pricing
Complex to implement
Overkill for startups
Sales-led process

#11

4.7avg rating

Resend

Best DXReact EmailTransactionalEmail only

Modern transactional email API with best developer experience. Email-only but excellent if that's all you need from OneSignal's email channel.

Resend's React Email integration lets you build email templates as React components with TypeScript support, and the SDKs feel years ahead of OneSignal's email API in terms of developer ergonomics. At $20/month for 50,000 emails with a generous 3,000 emails/month free tier, it's affordable for most transactional use cases. The limitation is clear: no push notifications, no marketing features, no subscriber management—it's a completely different tool than OneSignal. Best for developers who only need transactional email and want the cleanest possible integration experience.

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Best for

Developers wanting modern email API

Pricing

$20/month for 50,000 emails

Pros

Best developer experience
React Email integration
Modern SDKs
Clean API
Great documentation

Cons

Email only - no push
No marketing features
Transactional focused
Different purpose than OneSignal

What users say

View source reviews

Mantas Vileisis · Trustpilot

“They suspended account when we were getting a lot of new customers/traffic. We lost tons of them because of Resend. They decided to suspend our account, and after a long wait they decided to keep the ban!”

Zeniki Beniki · Trustpilot

“Just implemented this service to my client's website. Super easy to implement, all verifications went smooth and quick. Emails come to Gmail next second. Very happy so far!”

#12

4.8avg rating

Postmark

Best deliverabilityTransactionalFast deliveryEmail only

Transactional email with exceptional deliverability. Email-only but best inbox placement in the industry, far exceeding OneSignal's email channel.

Postmark achieves its deliverability reputation by strictly vetting every customer and rejecting bulk marketing senders, which keeps their IP addresses clean—something shared-IP services like OneSignal's email can't guarantee. At $15/month for 10,000 emails, it's competitively priced with fast delivery times (most emails delivered in under 10 seconds). The strict policies mean they'll reject some use cases that OneSignal would accept, including promotional email and cold outreach. Best for applications where transactional emails like password resets, 2FA codes, and receipts absolutely must reach the inbox.

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Best for

Apps where email deliverability is critical

Pricing

$15/month for 10,000 emails

Pros

Exceptional deliverability
Strict customer vetting
Clean API
Fast delivery (under 10 seconds)
Human support

Cons

Email only
Transactional only
No push notifications
They reject some use cases

What users say

View source reviews

Oli Ver · Trustpilot

“We used SendGrid for 6 months and it was a constant headache. Our welcome emails, order confirmations, and password reset emails were either landing in spam or getting blocked. Postmark solved all of that.”

Mateusz Kroplewski · Trustpilot

“I have tried using MailJet and AmazonSES before Postmark and the customer service is very slow. I set up Postmark and got my domain approved to send email on the same day. Customer service is amazing.”

#13

4.2avg rating

Engagespot

In-app notificationsBudget-friendlyPreference centerMulti-channel

In-app notification bell with multi-channel support. Provides the notification inbox that OneSignal lacks.

Engagespot's in-app notification components give you a real notification center — notification bell, inbox feed, read/unread states, and preference management — filling the biggest gap in OneSignal's offering. OneSignal has in-app banners and modals, but no persistent notification feed like GitHub or Slack. Multi-channel routing handles email and push alongside in-app. At $49/month starter after a free tier, it's affordable and focused. Best for teams that need the notification inbox experience that OneSignal's in-app messaging doesn't provide.

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Best for

Teams needing in-app notification feeds OneSignal lacks

Pricing

Free up to 1k MAU, $49/mo starter

Pros

In-app notification inbox (unlike OneSignal)
Multi-channel support
Affordable pricing
Preference center included
Good developer docs

Cons

Less mature than OneSignal
Push less battle-tested than OneSignal
Smaller community
Fewer mobile SDK features

#14

4.3avg rating

SuprSend

Multi-channelObservabilityFast setupDeveloper-friendly

Notification infrastructure with excellent observability. Good OneSignal alternative with better debugging and delivery tracing.

SuprSend's dashboard lets you trace individual notifications from trigger to delivery across all channels, making it much easier to debug delivery issues than OneSignal's basic analytics. Multi-channel support covers email, push, SMS, WhatsApp, and in-app with unified templates. The SDK integration is designed for speed, with most teams going live within hours. Usage-based pricing after a free tier scales more predictably than OneSignal's per-MAU model. For teams that need visibility into notification delivery pipelines, SuprSend's observability tools are a significant step up from OneSignal's analytics.

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Best for

Teams wanting observability over notifications

Pricing

Free tier, then usage-based

Pros

Excellent delivery observability
Multi-channel with WhatsApp
Fast implementation
Better debugging than OneSignal
Good developer experience

Cons

Push less battle-tested than OneSignal
Newer platform
Smaller community
Less documentation

#15

4.4avg rating

Loops

SaaS-focusedModern UITransactional + marketingEmail only

SaaS-focused email platform. Transactional + marketing in one. Good OneSignal alternative if you only use their email channel.

Loops combines transactional emails and marketing campaigns in one clean interface built specifically for SaaS companies. If you're using OneSignal primarily for email (not push), Loops does email better with event-based automation, modern templates, and purpose-built SaaS features. All features available on every plan with no tier-gating. At ~$99/month for 10k subscribers, it's more expensive than OneSignal's email pricing but far more capable for marketing automation. No push, no SMS — just email done well for software companies.

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Best for

SaaS teams wanting simple email marketing

Pricing

$49/mo for 5k, ~$99/mo for 10k

Pros

Built for SaaS from day one
Transactional + marketing together
Clean, modern interface
Good deliverability
All features on all plans

Cons

Email only - no push
More expensive than OneSignal email
No mobile SDKs
No multi-channel

#16

4.3avg rating

Sendbird

In-app messagingChat + notificationsMobile SDKsEnterprise

In-app messaging and notifications platform combining chat with notification feeds. Good OneSignal alternative if you need chat alongside notifications.

Sendbird provides real-time chat messaging plus push notifications and in-app notification feeds in one SDK. If your product needs both chat and notifications, Sendbird eliminates managing OneSignal plus a separate chat SDK. The mobile SDKs support offline messaging and the notification center handles feeds, badges, and read states — features OneSignal's in-app messaging can't match. Enterprise pricing means it's expensive, but for apps where chat is central (marketplaces, social, support), it's more efficient than piecing together OneSignal with a chat solution.

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Best for

Apps needing chat + push notifications

Pricing

Custom pricing, free tier for testing

Pros

Chat + notifications in one SDK
Polished mobile SDKs
In-app notification feeds
Offline support
Enterprise-grade reliability

Cons

Overkill without chat needs
Enterprise pricing
More complex than OneSignal
Heavier SDK footprint

#17

4.2avg rating

Vero

Event-drivenBehavioral emailDeveloper-friendlyPush + email

Event-driven email and push platform for product teams. More behavioral targeting than OneSignal with real-time segmentation.

Vero triggers messages based on user behavior piped from your product — events, attributes, and actions that drive dynamic segmentation updating in real time. The workflows support conditional logic, A/B testing, and conversion tracking that OneSignal's journey builder doesn't match. Both email and push notifications are supported. At $54/month for 5k users, it's more expensive than OneSignal's base but the behavioral marketing capabilities are significantly deeper. Best for product-led teams that need event-driven messaging beyond OneSignal's basic segmentation.

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Best for

Product teams wanting event-driven messaging

Pricing

$54/month for 5,000 users

Pros

Event-driven behavioral targeting
Real-time segmentation
Email + push support
Conversion tracking
Good product event API

Cons

More expensive than OneSignal
No SMS channel
Smaller company
No in-app notification feeds

#18

3.9avg rating

Brevo

Budget-friendlyMulti-channelUnlimited contactsMarketing + transactional

Budget-friendly multi-channel platform with email, SMS, WhatsApp, and push. Good OneSignal alternative if you want marketing automation alongside push.

Brevo combines email marketing, transactional email, SMS, WhatsApp, and push notifications at a price point that undercuts OneSignal for multi-channel use cases. Unlimited contacts on every plan means large databases don't increase costs — you only pay for message volume. The automation builder handles drip sequences, welcome flows, and trigger-based campaigns across channels. At $25/month for the entry plan, it's affordable for teams that need more marketing features than OneSignal provides. The push notification features are less mature than OneSignal's, and the interface feels dated, but the breadth of channels at the price is hard to beat.

Visit

Best for

Budget-conscious teams wanting multi-channel

Pricing

$25/mo for unlimited contacts

Pros

Unlimited contacts included
Email, SMS, WhatsApp, push
Affordable entry pricing
Transactional + marketing
Basic CRM included

Cons

Push less mature than OneSignal
Interface feels dated
Pay-per-email adds up at volume
Support can be slow

What users say

View source reviews

Gary Curran · Trustpilot

“Disappointing experience with Brevo. Our account was initially suspended after a first campaign due to bounce rate. We followed the required self-service steps and successfully revalidated the account ourselves. After this, support took ages to respond.”

Larry Chin · Trustpilot

“Brevo is a solid service for handling your marketing emails and much more. The tech support is fast and good. Making a marketing email is fast and easy. I have used SendinBlue, now Brevo, for many years now.”

#19

4.0avg rating

SendGrid

Email infrastructureTransactionalAPI-FirstHigh volume

Twilio-owned email infrastructure platform built for transactional and marketing email at scale. While OneSignal leads with push notifications and treats email as a secondary channel, SendGrid is purpose-built for email delivery with industry-leading deliverability and throughput.

The Email API handles transactional messages like receipts and password resets with sub-second delivery, while the Marketing Campaigns feature covers newsletters and drip sequences. SendGrid processes billions of emails monthly, giving it battle-tested reliability that OneSignal's email channel can't match. However, SendGrid has no push notification support whatsoever — if you need push alongside email, you'd need to pair SendGrid with another service. Best for teams whose primary channel is email and who need reliable high-volume delivery rather than OneSignal's push-first approach.

Visit

Best for

Teams prioritizing email delivery over push notifications

Pricing

Free tier (100 emails/day), then from $19.95/mo

Pros

Industry-leading email deliverability
Handles massive email volume reliably
Strong transactional email API
Backed by Twilio infrastructure
Extensive documentation and SDKs

Cons

No push notification support at all
No in-app or SMS channels
Marketing features less polished than dedicated tools
Support quality has declined under Twilio

What users say

View source reviews

Steve Yardumian · Trustpilot

“Awful experience. Customer support is non-existent. What little support does exist covers for development's shortcomings. Missing all kinds of data points in many API endpoints. Don't waste your time.”

Nicolas Arden · Trustpilot

“Terrible company with zero customer support. Frequently loses account data, unable to remove my debit card from the platform, and they keep trying to charge me despite me not using the service.”

Why Consider Alternatives to OneSignal

Usage-based pricing can surprise you

OneSignal's Growth plan has variable costs - push at $0.012/MAU, email at $1.50/1k after 20k free. At scale, costs can be unpredictable compared to flat-fee alternatives.

You only need email

If you don't need push notifications, you're using a push-first platform for email. Email-focused platforms like Sequenzy, Resend, or Postmark are more purpose-built.

You want in-app notification feeds

OneSignal has in-app messaging but no notification inbox/feed like Knock or MagicBell. If in-app notification bells are important, specialized tools are better.

Push notifications should be free

Firebase Cloud Messaging is completely free at any scale. If you only need push without marketing features, FCM saves money.

What Users Say About OneSignal

Trustpilot

I've been using OneSignal's free plan for almost 18 months, mainly for push notifications. For my needs, it has been more than perfect with nearly 2,000 subscribers.

AhQ2026-01

Trustpilot

Would be a nice service if some sort of customer support existed. They deactivated my mail sending functionality suddenly and nobody responded to support issues.

Dan2025-12

Trustpilot

Got charged despite cancellation. Avoid at all cost! Their SDK does not function properly. They decided to double the subscription cost and charged despite cancellation.

Saurav Aryan2025-10

Trustpilot

Do not integrate their services! We used their 'Unlimited Free' push notifications for years. Sales people shut our service down because we didn't want to pay.

David Holtkamp2025-08

Feature

OneSignal

Sequenzy

Firebase

Knock

Novu

MagicBell

Push

SMS

In-app messages

In-app feed

Free tier

10k emails

100 subs

Unlimited

10k messages

10k runs

100 MAU

Pricing model

Usage-based

Flat fee

Free

Flat fee

Usage/flat

Usage-based

When to Use Each Platform

Choose Sequenzy if...

You primarily need SaaS email marketing
Native Stripe integration is valuable
AI-generated email sequences sounds appealing
You don't need push notifications

Choose Stay with OneSignal if...

Push notifications are your primary channel
You have a mobile-first product
The current pricing works for you
You need multi-channel from one platform

Choose Firebase if...

You only need push notifications
Free at scale matters
You're already in Google ecosystem
You can build your own analytics

Choose Knock if...

You need in-app notification feeds
Budget for $250/mo is acceptable
Most polished experience matters
Developer experience is priority

Choose Novu if...

Open-source is important
You want to self-host
You have DevOps resources
Budget is a concern

Why people look for OneSignal alternatives

OneSignal is excellent for push notifications, but it's not perfect for everyone. Here's why teams explore alternatives. With just 26 Trustpilot reviews, the feedback is polarized—long-time free-tier users appreciate the reliability, but several report accounts being shut down without warning after years of free usage, and at least one reviewer was charged despite cancellation. The push-first platform has expanded into email and SMS, but that expansion has come with usage-based pricing that can be hard to predict at scale.

Usage-based pricing surprises

OneSignal's Growth plan has variable costs. Push at $0.012 per monthly active user, email at $1.50 per 1,000 after 20k free. If your app suddenly grows or you run a big campaign, costs can spike unexpectedly. Flat-fee alternatives offer predictable billing. Learn more about email pricing models.

Push is free elsewhere

Firebase Cloud Messaging is completely free at any scale. If you only need push without marketing features, paying for OneSignal doesn't make sense. Read our OneSignal comparison page for a detailed breakdown.

You only need email

OneSignal started with push and added email. If email is your only channel, you're using a push-first platform. Email-focused platforms like Sequenzy, Resend, or Postmark are more purpose-built. Check our guide on the best email tools for SaaS.

No in-app notification feeds

OneSignal has in-app messaging (banners, modals) but not notification inbox UI like what you see in apps like GitHub or Notion. If you need that bell icon with a notification feed, Knock or MagicBell are better.

Marketing automation is limited

OneSignal's journey builder handles basic multi-step flows, but for sophisticated behavioral automation with branching logic, A/B testing, and conversion tracking, Customer.io or Iterable are significantly more powerful.

The alternatives, honestly

For SaaS email marketing: Sequenzy

If you don't need push notifications, why use a push-first platform for email? Sequenzy is purpose-built for SaaS email marketing with AI-generated sequences and native Stripe integration. At $19/mo flat, pricing is predictable.

The catch: email only. No push notifications, no mobile SDKs. If you need push, look elsewhere.

For free push notifications: Firebase

Firebase Cloud Messaging is Google's push notification service - completely free at any scale. Unlimited pushes to unlimited devices. Cross-platform iOS, Android, and web.

The trade-off: push only. No email, no SMS, no marketing features, no analytics dashboard. You build everything yourself. But for simple push, it's free.

For polished notification infrastructure: Knock

Knock is premium notification infrastructure with in-app notification UI components, multi-channel orchestration, and excellent developer experience. More sophisticated than OneSignal.

The catch: $250/mo after a free tier. No middle pricing. Worth it for in-app notification feeds, but expensive if you just need basic push.

For open-source control: Novu

Novu is open-source notification infrastructure. Self-host for free or use their cloud starting at $30/mo. Multi-channel with in-app components.

Trade-off: self-hosting requires DevOps. Cloud is newer and less polished than OneSignal. But for teams wanting control, it's the best option.

For enterprise mobile engagement: Braze or Iterable

If you've outgrown OneSignal and need enterprise-grade cross-channel marketing, Braze ($10k+/mo) or Iterable ($500+/mo) are the upgrade path. Both offer AI-powered personalization and sophisticated automation that OneSignal's journey builder can't match.

For budget multi-channel: Brevo

Brevo offers email, SMS, WhatsApp, and push at starting at $25/month with unlimited contacts. Less polished push than OneSignal, but more marketing features at a lower price for multi-channel use cases.

The pricing comparison

At moderate volume:

OneSignal Growth: $19/mo + ~$12-50/mo usage (varies)
Sequenzy: $19/mo flat (email only)
Firebase FCM: Free (push only)
Knock Starter: $250/mo for 50k messages
Novu Cloud Pro: $30/mo for 30k+ runs
MagicBell: Usage-based, varies
Brevo: $25/mo for unlimited contacts
Braze: $10k+/mo enterprise

Note: Different platforms count differently. Compare based on your actual usage patterns. Check our pricing page for Sequenzy's simple model.

When OneSignal is still the right choice

OneSignal wins if:

Push notifications are your primary channel
You have a mobile-first product
Usage-based pricing works for your scale
You need multi-channel from one affordable platform

Don't switch just to avoid usage-based pricing if your usage is predictable. OneSignal is well-established and the mobile SDKs are excellent. But if you're only using email, or you need in-app notification feeds, alternatives are better suited. Use our email validator tool to ensure list quality when evaluating any platform, and read our email deliverability guide for best practices.

Frequently Asked Questions

All Pricing Tiers

2.5k emails/month: Free (Free annually)

15k emails/month: $19/month ($205/year annually)

60k emails/month: $29/month ($313/year annually)

120k emails/month: $49/month ($529/year annually)

300k emails/month: $99/month ($1069/year annually)

600k emails/month: $199/month ($2149/year annually)

1.2M emails/month: $349/month ($3769/year annually)

Unlimited emails/month: Custom pricing (Custom annually)

Yearly billing: All plans offer a 10% discount when billed annually.

Feature	OneSignal	Sequenzy	Firebase	Knock	Novu	MagicBell
Push
Email
SMS
In-app messages
In-app feed
Free tier	10k emails	100 subs	Unlimited	10k messages	10k runs	100 MAU
Pricing model	Usage-based	Flat fee	Free	Flat fee	Usage/flat	Usage-based

19 OneSignal Alternatives Worth Considering

TL;DR

19 Best OneSignal Alternatives

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Why Consider Alternatives to OneSignal

What Users Say About OneSignal

Feature Comparison

When to Use Each Platform

Why people look for OneSignal alternatives

Usage-based pricing surprises

Push is free elsewhere

You only need email

No in-app notification feeds

Marketing automation is limited

The alternatives, honestly

For SaaS email marketing: Sequenzy

For free push notifications: Firebase

For polished notification infrastructure: Knock

For open-source control: Novu

For enterprise mobile engagement: Braze or Iterable

For budget multi-channel: Brevo

The pricing comparison

When OneSignal is still the right choice

Frequently Asked Questions

What's the best OneSignal alternative for SaaS?

Is Firebase Cloud Messaging free?

Why is OneSignal's pricing confusing?

Does Sequenzy have push notifications like OneSignal?

Can I use OneSignal's free tier forever?

What's cheaper than OneSignal for push?

OneSignal vs Knock: Which is better?

Does OneSignal have in-app notification feeds?

How hard is it to migrate from OneSignal?

Is MagicBell better than OneSignal?

How do I cancel my OneSignal account?

What is OneSignal's pricing structure?

How do I export my data from OneSignal?

Does OneSignal offer a free trial?