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Insomnia vs API Dash: catalog facts
Insomnia	API Dash
Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional	Generates client code in several languages Previews 40+ response media types
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	Younger project than established API clients No browser or mobile version
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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