
Aegis Authenticator
andOTP
Authenticator Plus
OTP Auth
TOTP Authenticator
Tofu Authenticator
OTPClient
Authenticator is a simple, free, and open source two-factor authentication app.

TypingDNA Authenticator
Auth0
Amazon Cognito
Clerk
Keycloak
LoginRadius Authentication
PropelAuth
Authorizer is an open-source authentication and authorization solution for your applications.

Which is more popular?
Based on our record, Authorizer should be more popular than Authenticator. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mattrubin.me | authorizer.dev |
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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.


Overall verdict
Why this product is good
Recommended for
Authenticator (mattrubin.me) is recommended for individuals and professionals who need a reliable and easy-to-use solution for managing two-factor authentication codes across multiple accounts. It's ideal for users who value open-source software and prioritize security without the need for additional features commonly found in more complex applications.
No analysis of Authorizer yet.
Walkthroughs and reviews on video.
Authenticator Apps
More videos
Charter School Authorizer Application Review Process
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How often each product is chosen within a category, 0–100% relative to the other.


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


PS. At the moment I’m using this one. It’s really good but it’s missing an export feature. Source: almost 4 years ago
For iOS? Authenticator - it's open-source and about as simple as it gets. Source: almost 4 years ago
For iOS offline, you could go with Tofu or Authenticator. These are open-source alternatives. Source: about 4 years ago
Authorizer takes "your data" seriously. - Source: dev.to / 10 months ago
In this post, https://authorizer.dev was chosen as the authorization server, but the principle of working with other authorization servers is approximately the same and the additional code that was written on the frontend and backend... - Source: dev.to / almost 2 years ago
In the next post, I will connect an external authorization server https://authorizer.dev to the project... - Source: dev.to / almost 2 years ago
When comparing Authenticator and Authorizer, you can also consider the following products.

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
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2FA codes in your browser, secured by the way you type
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andOTP is a two-factor authentication App for Android 4.4+
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Auth0 is a program for people to get authentication and authorization services for their own business use.
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Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.
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Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.
Compare Amazon Cognito to Authenticator or Authorizer: