Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods.
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KeyVault Alternatives
KeyVault is described as 'OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to KeyVault for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best KeyVault alternative is Bitwarden, which is both free and Open Source. Other great apps like KeyVault are Proton Authenticator, Aegis Authenticator, Ente Auth and Bitwarden Authenticator.
Alternatives list
Open-source Android authenticator supporting TOTP and HOTP, material design UI, backup and restore via files, Google Drive, or Android backup, works offline, privacy-focused, no analytics or ads, suitable for securing logins on popular services.
Etopa is a two-factor-authentication app, which runs as a web server and can be accessed using a web browser or using an Android app. You can use the Etopa.de instance or host your own.
Cost / License
- Free
- Open Source
Platforms
- Online
- Android
Allthenticator unifies digital and physical access with one smartphone-based identity. Users log in to systems and unlock doors via proximity. Supports SSH keys, passkeys, OTP, and peer-based recovery—all managed from a single admin dashboard.
Cost / License
- Free Personal
- Proprietary
Application type
Platforms
- iPhone
- Windows
- Android
- Linux
- Mac
Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Mac
- Windows
- Flathub
- Flatpak
CCost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Linux
- Go (Programming Language)
2
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
51 Duo mobile alternativesDuo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
Cost / License
- Freemium
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Linux
+2
Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
Cost / License
- Free
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- HUAWEI AppGallery
United States
France
EU
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