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

Qualys SSL Server Test
Security Headers
HTTP Observatory
TestSSL
Hardenize
RedBot
BuiltWith
Enterprise-grade security headers analysis and automation platform

Which is more popular?
Based on our record, Authy seems to be more popular. It has been mentioned 140 times since March 2021.
Website, pricing, platforms and company facts side by side.
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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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Authy and CodePhantom. 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 CodePhantom 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 / 9 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 / over 2 years ago
Tracking CodePhantom since Feb 2025.
When comparing Authy and CodePhantom, you can also consider the following products.

Google Authenticator is a multifactor app for mobile devices.
Compare Google Authenticator to Authy or CodePhantom:
This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
Compare Qualys SSL Server Test to Authy or CodePhantom:

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 CodePhantom:

Quickly and easily assess the security of your HTTP response headers.
Compare Security Headers to Authy or CodePhantom:

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 CodePhantom:

Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.
Compare HTTP Observatory to Authy or CodePhantom: