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Testfully vs Insomnia: catalog facts
Testfully	Insomnia
Freemium Free to start with offline use; paid and enterprise plans available.	Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…
Web, Browser extension	Windows, macOS, Linux
Choice of local offline storage or cloud sync Imports from Postman and Insomnia	REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional
Proprietary Team and monitoring features are aimed at paid plans	Most features expect an account, even though a Scratch Pad works without one The 2023 move to account-first storage cost it a lot of goodwill
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.