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XO Security vs Duo Universal (2026)

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

XO Security

XO Security

5(11)

30K+ active installs

Free

Updated 3 months ago
View XO Security
VS
Duo Universal

Duo Universal

4(1)

2.0K+ active installs

Free

Updated 2 months ago
View Duo Universal

Quick Verdict

As of April 2026, XO Security has a higher user rating (5/5 from 11 reviews) and leads in active installations (30K+ vs 2.0K+). Both are free WordPress plugins. XO Security has accumulated 353K+ total downloads while Duo Universal has 16K+.

Detailed Comparison

Rating
5/5XO Security
◄
Duo Universal4/5
Total Reviews
11XO Security
◄
Duo Universal1
Active Installs
30K+XO Security
◄
Duo Universal2.0K+
Total Downloads
353K+XO Security
◄
Duo Universal16K+
Support Resolution
N/AXO Security
Duo UniversalN/A
Last Updated
3 months agoXO Security
►
Duo Universal2 months ago
First Released
2016XO Security
Duo Universal2024
Age
10 yearsXO Security
Duo Universal2 years
WP Requires
4.9+XO Security
Duo Universal6.0.0+
PHP Requires
5.6+XO Security
Duo Universal7.3.16+
Business Model
FreeXO Security
Duo UniversalFree
Latest Version
3.10.8XO Security
Duo Universal1.2.1

Rating Breakdown

XO Security

5/5(11 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Duo Universal

4/5(1 reviews)
5
0%
4
100%
3
0%
2
0%
1
0%

Recent Reviews

XO Security Reviews

by imawc

Awesome!

This plugin is lightweight and easy to use, so I recommend it.

by まーちゅう

What a great plugin!

It’s my top recommendation for security plugins on WordPress sites.It includes all the security features I need.

by altmmc

基本的なセキュリティ機能が揃っています

タイトル通りです。AIOS等の定番プラグインと比べると機能は少ないですが、必要最低限の対策が揃っており設定が非常にわかりやすいので使いやすいです。これだけでは不安という人はBBQ Firewallを併用すると良いです。

Duo Universal Reviews

by ankushdas

A Good Login Plugin for WP

I use Wordfence on my websites for essential security protection. Sure, the 2FA method is available for free, and is plenty good for most.However, I have been fascinated with log-in prompts recently,

Frequently Asked Questions

Is XO Security or Duo Universal more popular?
XO Security has 30K+ active installations while Duo Universal has 2.0K+. XO Security is the more widely-used plugin as of April 2026.
Which has better ratings — XO Security or Duo Universal?
XO Security has a 5/5 rating from 11 reviews, while Duo Universal has a 4/5 rating from 1 reviews.
Are XO Security and Duo Universal free?
XO Security is free and Duo Universal is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — XO Security or Duo Universal?
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?
XO Security was last updated 3 months ago and Duo Universal was last updated 2 months ago.

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