Simple two-step verification (2FA), OTP (One Time Password) dynamic code generator (currently only supports TOTP), good operating experience, minimalist interface, the data is automatically synchronised to iCloud, do not worry about data theft, loss.
There is another WatchApp to sync the data of iPhone, you can view the dynamic verification code on Watch, and it is basically compatible with iPad, and you can sync the data with iPhone through iCloud.

Never add adverts or in-app purchases.

Other features.
- Album QR Code Import
- QR code export
- Night/Day mode
- FaceID/TouchID/lock code verification can be set at startup