OneSignal vs ReadMe
Mobile + web push, email, SMS, and in-app messaging at consumer scale
vs. Developer hub: interactive API reference + guides with usage analytics
Pricing tiers
OneSignal
Free
Unlimited mobile push, 10K web push subs, 10K email/mo, 1 journey. GDPR compliant.
Free
Growth
$19/mo + usage. 20K email/mo included, then $1.50/1K. 3 journeys. Advanced in-app.
$19/mo
Professional
Custom. Unlimited volume, 20 journeys, CSV export, prioritized support.
Custom
Enterprise
Custom. Dedicated CSM, SLA, frequency capping, advanced permissions, HIPAA options.
Custom
ReadMe
Free
$0. 1 project. ReadMe branding. Public docs only. Basic features. Intended for evaluation.
Free
Startup
$99/mo. 1 project. Custom domain, remove branding, 3 admins, API Explorer.
$99/mo
Business
$399/mo. Unlimited projects, SSO, usage analytics (Metrics Starter), versioning.
$399/mo
Enterprise
Custom (typically $10k+/yr). SLA, SAML, advanced metrics, large teams, localization.
Custom
Free-tier quotas head-to-head
Comparing free on OneSignal vs free on ReadMe.
| Metric | OneSignal | ReadMe |
|---|---|---|
| active journeys | 1 journeys | — |
| email monthly | 10000 emails/mo | — |
| mobile push | Unlimited subscribers | — |
| web push subscribers | 10000 subscribers | — |
Features
OneSignal · 12 features
- A/B Testing — Split testing across push, email, in-app.
- Analytics + Cohorts — Delivery, open, click, conversion metrics + retention cohorts.
- Email — Transactional + marketing email with templates.
- Frequency Capping — Limit message frequency per user.
- In-App Messaging — In-app banners, modals, surveys, carousels triggered by events.
- Intelligent Delivery — Optimize send time per user with ML.
- Journeys — Multi-step automations with branching, delays, actions.
- Live Activities — iOS Dynamic Island + Live Activities.
- Mobile Push — iOS (APNs), Android (FCM/HMS) push notifications.
- Segments — Dynamic audience targeting by tags, location, behavior.
- SMS — Two-way SMS in 200+ countries.
- Web Push — Browser push via service workers (Chrome, Firefox, Edge, Safari, Opera).
ReadMe · 15 features
- API Reference — OpenAPI → interactive reference.
- Changelog — Versioned release notes.
- Custom Branding — Logo, colors, fonts.
- Custom Domain — docs.yourco.com.
- Discussion Forum — Developer community.
- Guides — Markdown-style conceptual docs.
- Interactive Tutorials — Guided walkthroughs.
- Localization — Multi-language docs (Enterprise).
- Metrics — API usage logging + analytics.
- Recipes — Multi-step tutorials.
- Search — Full-text search.
- SSO — SAML + OIDC.
- Suggested Edits — Community-contributed edits.
- Try It Console — In-browser request runner.
- Versioning — Multi-version docs.
Developer interfaces
| Kind | OneSignal | ReadMe |
|---|---|---|
| CLI | — | rdme CLI |
| SDK | OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal | Metrics SDK |
| REST | OneSignal REST API | ReadMe API v2 |
| OTHER | Outbound Webhooks | OpenAPI Upload, ReadMe Dashboard, ReadMe Webhooks |
Staxly is an independent catalog of developer platforms. Some links to OneSignal and ReadMe may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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