Blog
How the app works, and how 2FA works underneath it
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Authenticator apps compared: what to look for
Every authenticator generates correct codes. What differs: what happens when you lose a device, how your data moves, and how honest the app is.
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Why we made backup free forever
Backup, restore and moving phones are free for everyone, permanently. Here's the principle behind that, and what the one-time purchase adds.
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TOTP, explained without the crypto jargon
A TOTP code is a 6-digit number that changes every 30 seconds, computed by your app and the service independently. How that works, plainly.
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What happens to your 2FA codes when you lose your phone
What you get back after losing your phone depends on what you set up beforehand: a free backup file, a free QR re-scan, or Cloud Sync.