VoiceProtect Alternatives

andOTP is a two-factor authentication App for Android 4.4+

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

The app for calculating one-time-passwords on iPhone and iPad.

Open Source

Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.

Tofu Authenticator is an open-source easy to use two-factor authentication app that lets you secure your accounts with one-time passwords.

Open Source

Authenticator is a simple, free, and open source two-factor authentication app.

Open Source

TOTP Authenticator app makes it easier to setup and manage your 2-factor authentication accounts and tokens. The app allows you to add extra security to your accounts and protects them from hijacking. Available for iOS and Android.

freemium $6.0 / One-off

GTK+ application for securely managing TOTP & HOTP tokens.

Raivo OTP is an open-source two-factor authentication app that lets you create a one-time password for your online accounts.

Duo Mobile works with Duo Security's two-factor authentication service to make logins more...

A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

UNLOQ offers Multi-Factor Authentication, Transaction authorization, and Data Encryption solutions for Businesses and Organisations.

Elegant 2FA (2 Factor Authentication) solution for iOS and MacOS