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FreeOTP vs OTPClient: catalog facts
FreeOTP	OTPClient
Free Free and open source.	Free Free and open source under the GPL-3.0 license.
Android, iOS	Linux, Command line
Open source with public repositories for both apps Available on F-Droid as well as Google Play and the App Store	Multiple encrypted token databases Supports TOTP, HOTP and Steam Guard codes
Mobile only, no desktop app Minimal project website with little documentation	Desktop Linux only, no mobile app Handles one-time codes only, not passwords
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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