
andOTP
Aegis Authenticator
OTP Auth
Authenticator Plus
Authenticator
TOTP Authenticator
Raivo OTP
Tofu Authenticator is an open-source easy to use two-factor authentication app that lets you secure your accounts with one-time passwords.

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Which is more popular?
Based on our record, Tofu Authenticator seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tofuauth.com | opalstack.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Tofu Authenticator yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Tofu Authenticator (App presentation)
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Tofu Authenticator and Opalstack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I’ve been using Tofu for quite some time and haven’t had any issues. Source: almost 3 years ago
Tracking Opalstack since Sep 2023.
When comparing Tofu Authenticator and Opalstack, you can also consider the following products.

andOTP is a two-factor authentication App for Android 4.4+
Compare andOTP to Tofu Authenticator or Opalstack:

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

The app for calculating one-time-passwords on iPhone and iPad.
Compare OTP Auth to Tofu Authenticator or Opalstack:

Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.
Compare Authenticator Plus to Tofu Authenticator or Opalstack:

Authenticator is a simple, free, and open source two-factor authentication app.
Compare Authenticator to Tofu Authenticator or Opalstack:

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.
Compare TOTP Authenticator to Tofu Authenticator or Opalstack: