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Hoppscotch vs Apollo Sandbox: catalog facts
Hoppscotch	Apollo Sandbox
Freemium Free and open source under the MIT licence, including self-hosting. A paid cloud plan…	Free Sandbox is free to use.
Windows, macOS, Linux, Web, Self-hosted, Browser extension	Web
Opens in a browser tab with nothing to install HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT	Nothing to install, runs in the browser Works against any GraphQL endpoint
The browser version needs an extension or the desktop app to reach local services Team collaboration features are the paid part	GraphQL only Proprietary and tied to Apollo's hosted service
Web application, Downloadable app, Self-hosted, Browser extension	Web application
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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