Proton Authenticator app icon

Apps Like Proton Authenticator for iPhone and iPad

Secure accounts with two-factor authentication

Store and manage two-factor authentication codes securely. Sync 2FA secrets across devices using encrypted iCloud. Access codes privately and protect accounts with end-to-end encryption.

by Proton AG★ 4.2174 ratingsProductivityFreeData updated 2026-09-06

Ranked alternatives

Showing 601–620 of 1,000 ranked alternatives.

  1. Lockbook: Private Notes app icon

    Lockbook: Private Notes

    Lockbook LLC

    Record, sync, and share notes securely

    Record, sync, and share notes with end-to-end encryption. Edit text, add images, and organize content into folders. Access notes across devices and collaborate securely with others.

    ★ 5.014 ratingsProductivityFreeData updated 2026-09-30
  2. AEGIS Mobile ShieldONE app icon

    AEGIS Mobile ShieldONE

    AEGIS Authentication Technologies LLC

    Generate one-time codes securely

    Generate one-time codes for authentication using fingerprint or facial recognition. Enable self-enrollment via QR code activation. Integrate with cloud apps, security gateways, legacy systems, and VPNs. Unlock devices with biometric verification.

    ★ 1.01 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.