
Google Authenticator
Duo Security
Azure Multi-Factor Authentication
Let's Encrypt
Lastpass
Microsoft Authenticator
Ensighten
Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Auth0
Clerk
Keycloak
PropelAuth
Hanko
AuthKit
ZITADEL
Open-source Auth0/Clerk Alternative

Which is more popular?
Based on our record, Authy seems to be a lot more popular than Stack Auth. While we know about 140 links to Authy, we've tracked only 4 mentions of Stack Auth.
Website, pricing, platforms and company facts side by side.
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| Website | authy.com | stack-auth.com |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Authy is recommended for individuals who seek a user-friendly and secure way to manage their two-factor authentication across multiple devices and platforms. It is suitable for both beginners and experienced users who prioritize security and convenience in their digital security practices.
No analysis of Stack Auth yet.
Walkthroughs and reviews on video.
How to Use Authy To Keep Your Data Safe
More videos
W18D3 C3: Full Stack Auth Review: User/Computer Order & Developer Build Order
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Authy and Stack Auth. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


And another big difference that it provides over the Google Authenticator is the Authy passcode. Using this code, no one will be able to browse through all your codes.
One of Twilio Authy’s big advantages is encrypted cloud backup. However, it’s somewhat concerning that you can add the account to a new phone using “a PIN code sent via a call or an SMS,” according to Authy’s support...
Although most alternatives to Google Authenticator are completely free but potentially relatively limited in terms of options, Duo can offer you a lot if you’re willing to pay for it. The free option, which Cisco...
We have no reviews of Stack Auth yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Download an authenticator app (Google Authenticator, Authy, or Microsoft Authenticator). - Source: dev.to / 10 months 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 / over 2 years 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 / almost 3 years ago
Five minutes. That's how long Stack Auth takes to set up. - Source: dev.to / 11 months ago
Stack Auth (S24) | San Francisco, CA | Full-time Hiring founding & design engineers! We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more.... - Source: Hacker News / about 1 year ago
StackAuth is an open-source authentication and user management platform designed to integrate seamlessly into Next.js projects. Its combination of frontend/backend APIs and pre-built UI components dramatically simplifies the integration... - Source: dev.to / almost 2 years ago
When comparing Authy and Stack Auth, you can also consider the following products.

Google Authenticator is a multifactor app for mobile devices.
Compare Google Authenticator to Authy or Stack Auth:

Auth0 is a program for people to get authentication and authorization services for their own business use.
Compare Auth0 to Authy or Stack Auth:

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.
Compare Duo Security to Authy or Stack Auth:

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Compare Clerk to Authy or Stack Auth:

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.
Compare Azure Multi-Factor Authentication to Authy or Stack Auth:

Open Source Identity and Access Management for modern Applications and Services.
Compare Keycloak to Authy or Stack Auth: