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Nitro vs Insomnia: catalog facts
Nitro	Insomnia
Freemium Free to start, with paid options for teams on the ChilliCream platform.	Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…
macOS, Web	Windows, macOS, Linux
Dedicated environment for exploring and querying GraphQL APIs Works alongside Hot Chocolate and Fusion on .NET	REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional
Focused on GraphQL rather than REST or other APIs Product site is aimed mainly at enterprise platform users	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	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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