OneSignal vs Insomnia
Mobile + web push, email, SMS, and in-app messaging at consumer scale
vs. Open-source API client + design platform — the developer-first Postman alternative
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
Insomnia
Free
$0. Unlimited local. Cloud sync with E2EE. 1 project. Local + Git storage. Up to 3 members.
Free
Pro
$5/user/mo annual. Unlimited projects, cloud sync + Git sync + Insomnia AI.
$5/mo
Enterprise
$25/user/mo. SSO, SAML, RBAC, audit log, dedicated SLA, VPC.
$25/mo
Free-tier quotas head-to-head
Comparing free on OneSignal vs free on Insomnia.
| Metric | OneSignal | Insomnia |
|---|---|---|
| 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).
Insomnia · 19 features
- API Design (OpenAPI) — Spec editor + preview.
- Auth Helpers — OAuth, AWS, Hawk, Bearer, etc.
- Cloud Sync (E2EE) — Opt-in encrypted sync.
- Environments — Variables per env.
- Git Sync — Version with your repo.
- GraphQL — Query + schema explorer.
- gRPC — gRPC client.
- HTTP Client — REST request builder.
- inso CLI — Run API tests + lint specs in CI.
- Insomnia AI — AI-assisted request building.
- Local-First Storage — No account required.
- Mock Server — Build mocks from OpenAPI (Pro).
- Plugins — Extend via Node.js.
- Request Collections — Grouped requests.
- Scratch Pad — Local-only mode (re-added after backlash).
- SOAP — WSDL + SOAP.
- Teams — Shared workspaces.
- Templating Engine — Nunjucks + JS snippets.
- WebSockets — WS connection + messages.
Developer interfaces
| Kind | OneSignal | Insomnia |
|---|---|---|
| CLI | — | inso CLI |
| SDK | OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal | Plugin API |
| REST | OneSignal REST API | Insomnia Cloud API |
| OTHER | Outbound Webhooks | Git Sync (built-in), Insomnia Desktop |
Staxly is an independent catalog of developer platforms. Some links to OneSignal and Insomnia 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.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.