Compare software

2FAS vs Flauth: catalog facts
2FAS	Flauth
Free Free and open source. Some components are source-available.	Free Free and open source under the MIT licence.
Android, iOS, Browser extension	Windows, macOS, Linux, Android, Command line
Browser extension approves codes on the phone instead of typing them Encrypted backups to your own iCloud or Google Drive account	Same authenticator on Android and all three desktop systems Command-line tool for reading codes in a terminal
Mobile-first; there is no standalone desktop app Push approval needs the browser extension installed on each machine	Small, young project with a single main developer No iOS app listed among the downloads
Downloadable app, Browser extension	Downloadable app
Open source	Open source
License not stated	License: MIT
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 September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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