PluginSift

Loginizer vs Duo Two-Factor Authentication (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Loginizer

Loginizer

4.8(1,023)

1.0M+ active installs

Free

Updated 1 month ago
View Loginizer
VS
Duo Two-Factor Authentication

Duo Two-Factor Authentication

3.7(39)

3.0K+ active installs

Free

Updated 10 months ago
View Duo Two-Factor Authentication

Quick Verdict

As of April 2026, Loginizer has a higher user rating (4.8/5 from 1,023 reviews) and leads in active installations (1.0M+ vs 3.0K+). Both are free WordPress plugins. Loginizer has accumulated 29M+ total downloads while Duo Two-Factor Authentication has 186K+.

Detailed Comparison

Rating
4.8/5Loginizer
◄
Duo Two-Factor Authentication3.7/5
Total Reviews
1,023Loginizer
◄
Duo Two-Factor Authentication39
Active Installs
1.0M+Loginizer
◄
Duo Two-Factor Authentication3.0K+
Total Downloads
29M+Loginizer
◄
Duo Two-Factor Authentication186K+
Support Resolution
0%Loginizer
Duo Two-Factor AuthenticationN/A
Last Updated
1 month agoLoginizer
◄
Duo Two-Factor Authentication10 months ago
First Released
2016Loginizer
Duo Two-Factor Authentication2011
Age
10 yearsLoginizer
Duo Two-Factor Authentication15 years
WP Requires
3.0+Loginizer
Duo Two-Factor Authentication4.1+
PHP Requires
5.5+Loginizer
Duo Two-Factor Authenticationfalse+
Business Model
FreeLoginizer
Duo Two-Factor AuthenticationFree
Latest Version
2.0.6Loginizer
Duo Two-Factor Authentication2.5.7

Rating Breakdown

Loginizer

4.8/5(1,023 reviews)
5
93%
4
3%
3
1%
2
0%
1
3%

Duo Two-Factor Authentication

3.7/5(39 reviews)
5
62%
4
5%
3
3%
2
3%
1
28%

Recent Reviews

Loginizer Reviews

by Ben N

Great security for WordPress

Took a website I was working on from 30+ failed login attempts daily, to 0.Can’t really argue with that. I’d say that’s job well done.

by ronjona6

Solid Security Tool

Really helpful plugin for login protection. Easy setup and started working right away. Blocks unwanted attempts and gives peace of mind. using it for a while now, no issues so far. tnkz 👍

by seiterea13

good

good plugin for WordPress, simple efficient!

Duo Two-Factor Authentication Reviews

by dsitechmktg

Extra Security

Love having this plugin because it adds an excellent layer of much needed security

by ChrisKnight

Death by bit rot.

This used to be an awesome plugin. It offered seamless integration with Duo, blocking admin access to my site in the case of a password compromise or brute force attack. Sadly, it recently just st

by sotte

No updates for half a year, no PHP 8. Too bad

Best 2FA addon for WordPress – if it wasn’t so neglected. No updates for half a year, no PHP 8. Too bad. Could have been so great. Now it’s out. This topic was modified 3 years, 3 months ago b

Frequently Asked Questions

Is Loginizer or Duo Two-Factor Authentication more popular?
Loginizer has 1.0M+ active installations while Duo Two-Factor Authentication has 3.0K+. Loginizer is the more widely-used plugin as of April 2026.
Which has better ratings — Loginizer or Duo Two-Factor Authentication?
Loginizer has a 4.8/5 rating from 1,023 reviews, while Duo Two-Factor Authentication has a 3.7/5 rating from 39 reviews.
Are Loginizer and Duo Two-Factor Authentication free?
Loginizer is free and Duo Two-Factor Authentication is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Loginizer or Duo Two-Factor Authentication?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Loginizer was last updated 1 month ago and Duo Two-Factor Authentication was last updated 10 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.