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					Import methods		Export methods
			Windows	Mac	Linux	iOS	Android	J2ME	Other	Value length, d	Hash, H	Interval, TX	Epoch, T0	Steam	QR	JSON	QR	JSON
Aegis Authenticator	Free and open source app for Android to manage your 2-step verification tokens. [1]	Automatic backup to a location of your choosing	No	No	No	No	Yes	No	No	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
Apple Keychain	Native password manager on Apple devices. Not on tvOS. [2]	Yes [3]	Yes [4]	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	Yes	Yes	Yes	Yes
Bitwarden	Open Source Cross platform password manager. 2FA is a premium feature. [5]	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Un­known	Yes [6]	Yes	Yes	No	Yes
Bitwarden Authenticator	Free and open source app for Android and iOS to manage your 2-step verification tokens. [7]	No	No	No	No	Yes	Yes	No	No	No	No	No	No	No
Duo Mobile [8]	Free 2FA authenticator provided by Cisco	Yes, through iCloud or Google Drive	No	No	No	Yes	Yes	No	No	Un­known	Un­known	Un­known	Un­known	No
Ente Auth	Free, open source, cross-platform authenticatior with encrypted cloud sync. [9]	Yes	Yes	Yes	Yes	Yes	Yes	No	Web	Un­known	Un­known	Un­known	Un­known	Yes [10]
SAASPASS Authenticator [11]	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	Yes	No	Yes	No
Yandex Key [12]	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	No	No	No	No
1Password	Cross-platform password manager [13]	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No	Un­known	Un­known	Un­known	Un­known
Authy	By Twilio, from 2015, originally Authy. [14] Previously available for Chrome. [15]	Yes	Discontinued March 19, 2024 [16]			Yes	Yes	No	No	Yes	No	No	No	No
Enpass [17]	Password manager by Sinew Software Systems. Syncs over multiple back-ends.	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	No	Yes	Un­known	No	Yes
FreeOTP [18]	Maintained by RedHat, and based on Google Authenticator.	No	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	No
oathtool [19]	Command-line tool for generating OTP tokens.	No	No	No	Yes	No	No	No	FreeBSD, [20] NetBSD, [21] OpenBSD [22]	Yes	Yes	Yes	Yes	Un­known
privacyIDEA Authenticator [23]	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 [24] (unmaintained) [25]	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 [26]	Focuses on integration with Invantive Keychain.	No	Yes	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No
LastPass Authenticator [27]	Cross-platform OTP for mobile devices with support for online backup.	Yes	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	No	Yes
Symantec VIP		Un­known	No	No	No	Yes	Yes	No	Un­known	Un­known	Un­known	Un­known	Un­known	Un­known
TOTP.APP [28]	Web-based authenticator not requiring registration.	No	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No
Yubico Authenticator for Desktop [29]	By Yubico, for use with Yubikeys.	No	Yes	Yes	Yes	—	—	No	No	Yes	Yes	Yes	No	No
Yubico Authenticator for Mobile			—	—	—	Yes	Yes
KeePassXC [30]	Password manager	Through user setup with Syncthing, [31] or only within the KeeWeb [32] online web App [33]	Yes	Yes	Yes	No	KeePassDX [34]	No	No	Yes	Yes	Yes	No	Yes	Yes
2FAS [35]	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	Yes	Yes	No	Yes
2fast [36]	Open-source two-factor authenticator. No account required. Available in Windows App Store.	No	Yes	No	No	No	No	No	No	Un­known	Un­known	Un­known	Un­known	Un­known
2FAuth [37]	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 [38]	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 [39]	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 [40]	Free, open-source J2ME MIDlet app to manage your TOTPs.	Manually	Using MicroEmulator app [41]			Un­known	Using J2ME Loader app [42]	Yes	Any with J2ME support or emulator	Yes	Yes	Yes	Time correction in seconds	No
Hotpants [43]	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 [44]	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 [45]	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
Authenticator App by 2Stable [46]	Secure two-factor authentication app for iPhone, iPad, iPod, Apple Watch and Mac. Freemium app with max 2 accounts in the free version. [47]	Yes	No	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Un­known	No

See also

• Password manager
• List of password managers

References

1. "Aegis Authenticator - Secure 2FA app for Android". Aegis Authenticator. Retrieved 29 April 2023.
2. "Sending passwords to other users or Apple devices". Apple Support. 18 February 2021. Retrieved 23 August 2024.
3. "Set up iCloud Keychain". Apple Support. 5 August 2024. Archived from the original on 6 August 2024. Retrieved 23 August 2024.
4. "Set up iCloud Passwords on your Windows computer — in: iCloud for Windows User Guide". Apple Support. Retrieved 23 August 2024.
5. "Pricing for Individuals and Families | Bitwarden". Bitwarden. Retrieved 23 March 2023.
6. "Steam Guard TOTPs". Bitwarden. Retrieved 23 March 2023.
7. "Bitwarden just launched a new authenticator app. Here's what it means to users. | Bitwarden Blog". Bitwarden.
8. "Third-Party Accounts - Guide to Duo Authentication". Duo. Retrieved 11 August 2025.
9. "Ente Auth - Open source 2FA authenticator, with E2EE backups". Ente. Retrieved 16 October 2024.
10. "Migrating from Steam Authenticator". Ente. Retrieved 16 October 2024.
11. "The 5 Best Two-Factor Authentication Apps for iPhone & Android". Gadget Hacks. 28 February 2020. Retrieved 28 February 2020.
12. "Yandex Key - Yandex ID. Help". yandex.com. Retrieved 28 May 2024.
13. "Use 1Password as an authenticator for sites with two-factor authentication". 1Password. Retrieved 7 September 2018.
14. Lardinois, Frederic (24 February 2015). "Twilio Acquires Two-Factor Authentication Service Authy". TechCrunch. Retrieved 5 March 2018.
15. "Authy for Chrome App & Extension End of Life". Authy Support. Retrieved 14 February 2024.
16. "Business customer guide: End of Life (EOL) for use of Authy API with Twilio Authy Desktop apps". Authy Support. Retrieved 14 February 2024.
17. "Best password manager for iOS, Android, Windows, Linux, Mac | Enpass". www.enpass.io. Retrieved 7 September 2018.
18. "FreeOTP". freeotp.github.io.
19. "OATH Toolkit". www.nongnu.org. Retrieved 7 September 2018.
20. "FreshPorts -- security/oath-toolkit: Library, tools, and PAM module for OATH authentication". FreeBSD Ports .
21. "security/oath-toolkit - The NetBSD Packages Collection".
22. "ports/security/oath-toolkit/".
23. "privacyIDEA Authenticator". GitHub. Retrieved 7 September 2018.
24. "andOTP/andOTP". GitHub.
25. flocke (15 July 2017). "[Unmaintained][App][4.4+][Open source] andOTP - Open source two-factor authentication for Android". XDA Forums. Retrieved 12 March 2023.
26. B.V., Invantive Software. "Invantive Authenticator". two-step-verification.solutions. Retrieved 7 September 2018.
27. "LastPass - LastPass Authenticator". lastpass.com. Retrieved 7 September 2018.
28. "Online one-time password generator / TOTP (Google Authenticator) Online". totp.app. Retrieved 7 September 2018.
29. "Using Your YubiKey with Authenticator Codes : Yubico Support". support.yubico.com. Archived from the original on 2 October 2018. Retrieved 11 March 2023.
30. Team, KeePassXC. "KeePassXC 2.2.0 released - KeePassXC". keepassxc.org.
31. "KeePassXC + KeePassDX (Android) Sync guide. A complete starting guide for new users". reddit.com. 10 September 2021. Retrieved 7 July 2023.
32. "Free Password Manager Compatible with KeePass: KeeWeb". keeweb.info. Retrieved 7 July 2023.
33. "KeeWeb". keeweb.info. Retrieved 7 July 2023.
34. "KeePassDX". keepassdx.com. Retrieved 7 July 2023.
35. "2FA Authenticator App (2FAS)". 2FAS. Retrieved 12 March 2023.
36. "2fast Authenticator App (2fast)". 2fast-team. Retrieved 14 November 2024.
37. "GitHub - Bubka/2FAuth: A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes". GitHub. Bubka. Retrieved 19 March 2023.
38. "Authy/Google Authenticator like TOTP CLI tool written in Go". GitHub . Retrieved 28 May 2024.
39. "Open Authenticator : Secure your online accounts with a free, open-source and lovely-crafted app". Skyost. Retrieved 22 July 2024.
40. Cacek, Josef (14 April 2024), kwart/totp-me , retrieved 12 August 2024
41. "totp-me - TOTP for Java ME - Google authenticator". SourceForge .
42. Shakarun, Nikita, nikita36078/J2ME-Loader
43. Matti (4 August 2024), baumschubser/hotpants , retrieved 12 August 2024
44. Janiszewski, Maciej (10 April 2024), ksiazkowicz/Tessera , retrieved 12 August 2024
45. Gerard Braad. "gauth.apps.gbraad.nl" . Retrieved 16 September 2024.
46. "Authenticator App by 2Stable" . Retrieved 6 November 2024.
47. "Pricing - Free vs Premium | Authenticator App" . Retrieved 29 May 2025.