What is the best alternative to Insomnia?

Postman is the top-rated alternative to Insomnia. It offers Industry standard and Best GUI experience, and is freemium starting at $14/mo/month.

Is there a free alternative to Insomnia?

Yes — Postman is a freemium alternative to Insomnia. Industry standard

Best Insomnia Alternatives(2026)

Q: Why do developers switch from Insomnia?

Common reasons to switch from Insomnia: Kong acquisition raised pricing concerns; Electron heavy; Collaboration weaker than Postman; Some users left for Bruno.

We compared 3 alternatives to Insomnia — so you can find the best option for your needs and budget.

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You're replacing

Insomnia

freemium

API client for REST, GraphQL, and gRPC

Starts at $0

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Common reasons to switch

Kong acquisition raised pricing concernsElectron heavyCollaboration weaker than PostmanSome users left for Bruno

Postman

freemium

From $14/mo

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Postman is the most widely used API testing and development platform — with a GUI client, automated test collections, mock servers, API documentation, and team collaboration features.

Pros

+Industry standard

+Best GUI experience

+Great collaboration

Cons

−Paid for team features

−Heavy Electron app

−Privacy concerns (cloud sync)

GUI HTTP clientAutomated collectionsMock serversAPI documentationTeam workspaces

Hoppscotch

open-source

From $0

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Hoppscotch is a free, open-source API testing tool that runs in the browser — supporting REST, GraphQL, WebSocket, SSE, and MQTT with a clean, minimal interface and self-hosting.

Pros

+Free and open source

+Browser-based (no install)

+Supports many protocols

Cons

−Less mature testing framework

−Cloud features require paid plan

−Smaller community than Postman

Browser-basedREST/GraphQL/WebSocket/SSE/MQTTOpen source (MIT)Self-hostableTeam collaboration

Bruno

open-source

From $0

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Bruno is an open-source API client that stores collections directly as files on disk — making them Git-friendly and shareable without cloud sync, addressing concerns with Postman/Insomnia's cloud dependency.

Pros

+Truly local/offline

+Git-native workflow

+Growing fast (Postman/Insomnia alternative)

Cons

−Newer (fewer features)

−No cloud collaboration (by design)

−Smaller community

File-based collections (Git-friendly)Offline-firstREST/GraphQL/SOAPJavaScript scriptingEnvironment variables

Compare Insomnia Head to Head

Insomnia vs Postman Insomnia vs Hoppscotch Insomnia vs Bruno