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HAPI vs Happy: catalog facts
HAPI	Happy
Free Free and open source under the AGPL; the coding agents it runs may have their own costs.	Free Free and open source.
Windows, Web	Android, iOS, Web
Works with Claude Code, Codex, Gemini and OpenCode Sessions run locally on your own machine	Control Claude Code and Codex sessions from a phone Works on iOS, Android and the web
Requires the underlying agent CLIs and their accounts Little documentation is visible on the homepage	Agents still run on your own computer, which must stay on Homepage gives little detail on setup and security model
Downloadable app	Downloadable app, Web application
Open source	Open source
License: AGPL-3.0-only	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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