Head to head
Courier vs OneSignal
As a push notification API, OneSignal rates higher on the APIbenchmarks Index, 86.4 to 82.6, a 3.8-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Courier | OneSignal |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 82.6 | 86.4 |
Specifications
| Courier | OneSignal | |
|---|---|---|
| Best for | Multi-channel notification routing | Self-serve push + omnichannel engagement |
| Free tier | 10k notifications/mo | Unlimited mobile push + 10k web subs |
| Pricing | Per notification (usage-based) | MAU-based ($0.012/MAU) |
| Official SDKs | 12 languages | 12 languages |
Is Courier better than OneSignal?
On the APIbenchmarks Index, OneSignal rates higher (86.4 vs 82.6). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.
Verdict in one line
OneSignal leads by 3.8 points (86.4 vs 82.6) and wins 3 of 4 criteria; Courier wins 1.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 85 | 84 | |
| Reliability | 78 | 85 | |
| Ecosystem & SDKs | 80 | 86 | |
| Accessibility | 88 | 92 |
Choose Courier if… / choose OneSignal if…
- →documentation & dx matters most to you (85 vs 84)
- →your use case matches its focus: multi-channel notification routing
- →reliability matters most to you (85 vs 78)
- →ecosystem & sdks matters most to you (86 vs 80)
- →accessibility matters most to you (92 vs 88)
- →your use case matches its focus: self-serve push + omnichannel engagement
Pricing side by side
- Model
- Per notification (usage-based)
- Free tier
- 10k notifications/mo
- Developer (Free)$0/mo
- Business$0.005 per send
- EnterpriseCustom
- Model
- MAU-based ($0.012/MAU)
- Free tier
- Unlimited mobile push + 10k web subs
- Free$0/mo
- GrowthFrom $19/mo + usage
- ProfessionalCustom (annual)
- EnterpriseCustom (annual)
Vendor-published pricing, verified 2026-06-27 (Courier) and 2026-06-27 (OneSignal).
SDK and language coverage
Both · 4
iOS (Swift)Android (Kotlin)React NativeFlutter
Only Courier · 8
Node.jsPythonRubyGoPHPJavaReact (courier-react)JavaScript (client-side)
Only OneSignal · 8
ExpoUnityCordova / Ionic CordovaCapacitor / Ionic Capacitor.NET MAUIHuaweiAmazonFlutterFlow
Strengths and weaknesses
- +Single unified API and template designer covers push, email, SMS, in-app inbox, and chat, no per-provider integrations to maintain
- +Routes to ~11 push providers (APNS, FCM, Expo, OneSignal, Airship, Pusher Beams, etc.) so teams aren't locked to one push vendor
- +Native iOS, Android, React Native, and Flutter SDKs auto-manage device tokens and delivery/click tracking
- –Per-send pricing across all channels can be costlier than a single-purpose push vendor at very high volume
- –Handlebars-based templating has a learning curve some small teams find awkward
- –Some users report platform slowness during peak usage
- +Genuinely generous free tier: unlimited mobile push sends and subscribers, enough segmentation to run real campaigns without paying
- +Very broad SDK coverage (iOS, Android, React Native, Flutter, Expo, Unity, Cordova/Ionic, Capacitor, .NET MAUI, Huawei, Amazon, FlutterFlow)
- +Clean, readable REST API and documentation; reviewers cite ~20-minute first integration
- –Support is the most common complaint, slow, templated, or doc-link responses, especially on free/lower tiers
- –Per-MAU pricing 'scales weirdly' and can get expensive as audience grows even without more sends
- –Analytics are shallower than dedicated marketing suites; attribution gets murky across concurrent campaigns
Courier vs OneSignal: questions
- Which has better documentation, Courier or OneSignal?
- Courier scores higher on documentation and developer experience: 85 vs 84 out of 100.
- Which is more reliable, Courier or OneSignal?
- OneSignal scores higher on reliability: 85 vs 78 out of 100.
- Do Courier and OneSignal have a free tier?
- Courier: yes (10k notifications/mo). OneSignal: yes (Unlimited mobile push + 10k web subs).
- How are Courier and OneSignal priced?
- Courier: Per notification (usage-based). OneSignal: MAU-based ($0.012/MAU).
- Which has more official SDKs?
- Both list 12 official SDKs.