Comparison of OTP applications

The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.

Authenticated implementations

Implementation	Description	Online sync.	Operating system / Platform							Non-default
			Windows	Mac	Linux	iOS	Android	J2ME	Other	Value length, d	Hash, H	Interval, TX	Epoch, T0	Steam
Aegis Authenticator	Free and open source app for Android to manage your 2-step verification tokens.	Automatic backup to a location of your choosing	No	No	No	No	Yes	No	No	Yes	Yes	Yes	No	Yes
Apple Keychain	Native password manager on Apple devices. Not on tvOS.	Yes	Yes	Yes	No	Yes	No	No	Apple Vision Pro	Yes	Yes	Yes	Un­known	Un­known
"Authenticator"	GNOME circle application. Free and Open Source, community-provided, but not shipped as part of GNOME's Core apps.	No	No	No	Yes	No	No	No	Any desktop or mobile platform where GNOME can run	Yes	Yes	Yes	Yes	Un­known
Bitwarden	Open Source Cross platform password manager. 2FA is a premium feature.	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Un­known	Yes
Bitwarden Authenticator	Free and open source app for Android and iOS to manage your 2-step verification tokens.	No	No	No	No	Yes	Yes	No	No	No	No	No	No	No
Ente Auth	Free, open source, cross-platform authenticatior with encrypted cloud sync.	Yes	Yes	Yes	Yes	Yes	Yes	No	Web	Un­known	Un­known	Un­known	Un­known	Yes
SAASPASS Authenticator	Cross-platform 2FA Authenticator with TOTP & HOTP generator with sharing capabilities and password manager integration. Multiple device support, Mobile app and web access with multiple backup capabilities.	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes
Google Authenticator		Yes	No	No	No	Yes	Yes	No	No	No	No	No	No	No
Yandex Key	Simple app for phones from Russian company	Yes, manually, for 1 year	No	No	No	Yes	Yes	No	No	Un­known	Un­known	Un­known	Un­known	Un­known
IBM Security Verify		Un­known	No	No	No	Yes	Yes	No	No	Un­known	Un­known	Yes	Un­known	Un­known
Microsoft Authenticator		Yes	No	No	No	Yes	Yes	No	No	No	No	No	No	No
1Password	Cross-platform password manager	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No	Un­known	Un­known	Un­known	Un­known
Authy	By Twilio, from 2015, originally Authy. Previously available for Chrome.	Yes	Discontinued March 19, 2024			Yes	Yes	No	No	Yes	No	No	No	No
Enpass	Password manager by Sinew Software Systems. Syncs over multiple back-ends.	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	No	Yes	Un­known	No
FreeOTP	Maintained by RedHat, and based on Google Authenticator.	No	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	No
oathtool	Command-line tool for generating OTP tokens.	No	No	No	Yes	No	No	No	No	Yes	Yes	Yes	Yes	Un­known
privacyIDEA Authenticator	For use with privacyIDEA Authentication Server, with a secure enrollment process.	No	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	Un­known
andOTP (unmaintained)	Open-source app for Android 4.4+. Compatible with Google Authenticator.	No	No	No	No	No	Yes	No	No	No	No	Yes	No	No
Invantive Authenticator	Focuses on integration with Invantive Keychain.	No	Yes	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No
LastPass Authenticator	Cross-platform OTP for mobile devices with support for online backup.	Yes	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	No
Symantec VIP		Un­known	No	No	No	Yes	Yes	No	Un­known	Un­known	Un­known	Un­known	Un­known	Un­known
TOTP.APP	Web-based authenticator not requiring registration.	No	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No
Yubico Authenticator for Desktop	By Yubico, for use with Yubikeys.	No	Yes	Yes	Yes	—	—	No	No	Yes	Yes	Yes	No	No
Yubico Authenticator for Mobile			—	—	—	Yes	Yes
KeePassXC	Password manager	Through user setup with Syncthing, or only within the KeeWeb online web App	Yes	Yes	Yes	No	KeePassDX	No	No	Yes	Yes	Yes	No	Yes
2FAS	Popular, feature rich open-source two-factor authenticator. No account required.	Online backup/sync via iCloud or Google Drive	Through browser extension connected to mobile app			Yes	Yes	No	No	Yes	Yes	Yes	No	No
2FAuth	An open-source PHP web based self-hosted OTP generator, designed for both mobile and desktop.	Yes, web based						No	No	Yes	Yes	Yes	No	Yes
totp-cli	Popular, feature rich open-source two-factor authenticator. No account required.	Manually	No	Yes	Yes	No	No	No	No	Un­known	Un­known	Un­known	Un­known	Un­known
Open Authenticator	Free, open-source and multiplatform app to manage your TOTPs.	Yes, requires a subscription for more than 6 TOTPs	Yes	Yes	No	Yes	Yes	No	No	Yes	Yes	Yes	No	No
TOTP ME	Free, open-source J2ME MIDlet app to manage your TOTPs.	Manually	Using MicroEmulator app			Un­known	Using J2ME Loader app	Yes	Any with J2ME support or emulator	Yes	Yes	Yes	Time correction in seconds	No
Hotpants	Free, open-source J2ME MIDlet app to manage your TOTPs and HOTPs.	Import via scanning QR code on screen	No	No	No	No	No	Yes	No	Un­known	Un­known	Un­known	Un­known	No
Tessera	Free, open-source Qt for Symbian and desktop app to manage your TOTPs.	Un­known	Initial support for desktop			No	Could be ported	No	Symbian S60 5th Edition	Un­known	Un­known	Un­known	Un­known	Un­known
GAuth Authenticator	A simple application for multi-factor authentication, written in HTML using jQuery Mobile (and PhoneGap), jsSHA and LocalStorage.	Un­known	Yes	Yes	Yes	No	No	No	No	Un­known	Un­known	Un­known	Un­known	Un­known

See also

• Password manager
• List of password managers