Aegis
Aegis Authenticator is a free and open source 2FA app for Android that supports HOTP and TOTP, ensuring broad compatibility. The app features AES-256-GCM encryption, advanced entry management, and integrates with authenticators like Google Authenticator. Entries can be added through QR code scanning or manual input, with options for biometrics unlocking and automatic backups. It also supports icon packs and offers multiple design themes for a personalized interface. Available on Google Play Store and F-Droid, Aegis focuses on security and convenience for managing two-factor authentication.