Compare software

Happy vs T3 Code: catalog facts
Happy	T3 Code
Free Free and open source.	Free Free and open source under MIT; agent subscriptions are paid separately.
Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Web, Command line
Control Claude Code and Codex sessions from a phone Works on iOS, Android and the web	One interface for several coding agents Mobile apps for remote control of agents
Agents still run on your own computer, which must stay on Homepage gives little detail on setup and security model	Requires at least one agent installed and logged in Does not include models of its own
Downloadable app, Web application	Downloadable app, Web application
Open source	Open source
License not stated	License: MIT
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 1, 2026

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