Compare software

Stratum vs Clockwork: catalog facts
Stratum	Clockwork
Free Free and open source under the GPL 3.0 license.	Free Free and open source under the MIT licence.
Android	Android, Web
Encrypted backups with import from other apps and export at any time Supports TOTP, HOTP and mOTP	Android app has no internet permission at all Imports secrets, otpauth links, QR images and migration exports
Android only, with no iOS or desktop version Only handles one-time codes, not passwords	No cloud sync or backup between devices Stores nothing by default, so secrets must be re-entered unless the vault is on
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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