
Google Authenticator
Authy
Lastpass
Azure Multi-Factor Authentication
OneLogin
Okta
Ping Identity
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.

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Which is more popular?
Based on our record, Duo Security seems to be more popular. It has been mentioned 33 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | duo.com | opalstack.com |
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What each product offers, as listed by its team.


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


No analysis of Duo Security yet.
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 Duo Security and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Used by WhatsApp and Etsy, Duo Security was designed with modern companies in mind. That means it prioritizes speed. The DuoMobile app, for instance, simplifies multi-factor authentication. Users can merely tap on a...
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Recommendations tracked on public social media and blogs since March 2021.


Take for example a university. Many of them seem to use Duo[1], which is not something you can replace with Google Authenticator or other TOTP app. They require it for students as well as faculty and staff. Is it reasonable for them to... - Source: Hacker News / 2 months ago
The Solution: There are not only one solution to achieve the goal, but this time we choose Cisco Duo as the MFA infrastructure. - Source: dev.to / 8 months ago
Duo.com — Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens. - Source: dev.to / over 2 years ago
Tracking Opalstack since Sep 2023.
When comparing Duo Security and Opalstack, you can also consider the following products.

Google Authenticator is a multifactor app for mobile devices.
Compare Google Authenticator to Duo Security or Opalstack:

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Compare Authy to Duo Security or Opalstack:

LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Compare Lastpass to Duo Security or Opalstack:

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 Duo Security or Opalstack:

On-demand SSO, directory integration, user provisioning and more
Compare OneLogin to Duo Security or Opalstack:

Enterprise-grade identity management for all your apps, users & devices
Compare Okta to Duo Security or Opalstack: