Based on our record, Authy seems to be a lot more popular than Authenticator. While we know about 139 links to Authy, we've tracked only 4 mentions of Authenticator. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
PS. At the moment I’m using this one. It’s really good but it’s missing an export feature. Source: over 1 year ago
For iOS? Authenticator - it's open-source and about as simple as it gets. Source: over 1 year ago
For iOS offline, you could go with Tofu or Authenticator. These are open-source alternatives. Source: over 1 year ago
2FA: This is a necessity for all online accounts nowadays, but it is important to store your TOTP codes somewhere trusted and secure. Services like Authy are cloud-based and proprietary, meaning that no one can verify their privacy and security claims. Cloud-based applications are risky as it is, and it is best to keep your codes somewhere local on your devices, such as Aegis for Android, or Authenticator for iOS.... Source: over 2 years ago
Authy - Two-factor authentication (2FA) on multiple devices, with backups. Drop-in replacement for Google Authenticator. Free for up to 100 successful authentications. - Source: dev.to / 3 months ago
Https://authy.com/ Acquired by Twilio. I'm not even sure if they still update it, last blog post was 3 years ago. - Source: Hacker News / 5 months ago
2FA apps such as Google Authenticator and Authy randomly generate a code every minute or so, which is matched to a specific key associated with your login. In essence, this means that whenever a login asks for your 2FA code, it knows which number to expect and will only unlock if that correct number is entered. Source: 5 months ago
You can also set up the Authy authenticator app on a PC, so you don't have to use a mobile app at all, but use a PC app instead :). Source: 9 months ago
Check out authy. It's considered less secure than other device-specific OTP solutions, but it's better than not using it. Source: 11 months ago
Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
OTP Auth - The app for calculating one-time-passwords on iPhone and iPad.
Azure Multi-Factor Authentication - Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.