Keya Authenticator generates secure one-time codes for any site that supports two-factor authentication. Free, open-source 2FA. No ads, no subscription, no tracking. Encrypted backups, Face ID/Touch ID. Your tokens stay on-device. Swipe tokens to edit, delete, or export. Works with Google, GitHub, Apple, Microsoft, Dropbox, Amazon, Discord, and hundreds more - any service that supports TOTP (RFC 6238) or HOTP (RFC 4226).