Insomnia vs Postman
Updated 2026-09-03
Verdict
Insomnia is a free open-source API client for REST, GraphQL, gRPC and WebSocket with Git Sync (Essentials $0, Pro $12/user/month); Postman is an API platform covering the full API lifecycle with Free, Solo $9/month and Team $19/user/month plans. Insomnia for individual/small-team debugging; Postman for team collaboration and full API lifecycle management.
| Pricing | Insomnia | Postman |
|---|---|---|
| Pricing | 0 USD | 0 USD |
| Free tier | Yes | Yes |
| Platforms | Windows, macOS, Linux, Web | Web, Windows, macOS, Linux |
Insomnia — Pros
- Free Essentials plan covers unlimited local/cloud projects and Git Sync for up to 3 users
- Single client for REST, GraphQL, gRPC, WebSocket, SSE and MQTT
- Native Git Sync, Inso CLI and end-to-end encryption included at no cost
Postman — Pros
- Free plan covers core API client, specs, mock servers and collection/performance runs
- Solo ($9/mo) adds data-driven testing, custom domains and branded docs
- Team plan ($19/user/mo) adds collaboration, RBAC and SDK generation
Insomnia — Cons
- Pro ($12/user/month) unlocks RBAC, more mock requests and org controls
- Enterprise ($45/user/month) needed for SSO, SCIM and Konnect integration
- Team governance features trail Postman's collaboration suite
Postman — Cons
- Team collaboration needs the $19/user/month Team plan
- Advanced security (SSO, secret detection) gated behind add-ons or Enterprise
- AI and Flows credits are capped per plan with pay-as-you-go beyond limits
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FAQ
Is Insomnia cheaper than Postman?
Insomnia starts at 0 USD (checked 2026-09-03); Postman starts at 0 USD (checked 2026-09-03). Check the current pricing page for the latest tiers.
Do Insomnia and Postman have a free plan?
Both Insomnia and Postman offer — see the comparison table above.
What platforms does Insomnia vs Postman support?
Insomnia is available on Windows, macOS, Linux, Web. Postman is available on Web, Windows, macOS, Linux.
Are Insomnia and Postman in the same category?
Yes. Both Insomnia and Postman are classified as development tools.