This comes straight from Stratum’s own GitHub page — it’s free. Need help installing?
What it looks like
About this app
Stratum generates the six-digit codes that protect your accounts, with encrypted backups you control and a watch app so codes are on your wrist.
It imports from other authenticator apps and works entirely offline.
From the app’s home page
- See the codeHow it’s made — every line is public
- Questions & commentsTalk with the people who make it
- Report a problemTell the makers something is broken
- All versionsOlder downloads and what changed
- LicenseThe rules for using and sharing it
More like this
2FAS Auth
Two-step login codes, with a backup so you can't lose them
FreeOTP+
Two-step login codes you can back up
Mauth
Your 2-step login codes in one tidy app
Wristkey
Get your 2-step login codes right on your smartwatch
OpenOTP
Keep your 2-step login codes on every device you own
Tokn
A tiny, no-fuss 2FA app for your accounts