Security Optimizer – The All-In-One… vs Authenticator (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Security Optimizer – The All-In-One…
1.0M+ active installs
Free
Quick Verdict
As of April 2026, Authenticator has a higher user rating (5/5 from 8 reviews) while Security Optimizer – The All-In-One… leads in active installations (1.0M+ vs 1.0K+). Both are free WordPress plugins. Security Optimizer – The All-In-One… has accumulated 32M+ total downloads while Authenticator has 97K+.
Detailed Comparison
| Metric | Security Optimizer – The All-In-One… | Authenticator | |
|---|---|---|---|
| Rating | 4.5/5 | ► | 5/5 |
| Total Reviews | 153 | ◄ | 8 |
| Active Installs | 1.0M+ | ◄ | 1.0K+ |
| Total Downloads | 32M+ | ◄ | 97K+ |
| Support Resolution | 80% | N/A | |
| Last Updated | 4 days ago | ◄ | 2 months ago |
| First Released | 2021 | 2008 | |
| Age | 5 years | 18 years | |
| WP Requires | 4.7+ | 5.0+ | |
| PHP Requires | 7.0+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.0 | 1.3.1 |
Rating Breakdown
Security Optimizer – The All-In-One…
Authenticator
Download Trends
Over the past 30 days, Security Optimizer – The All-In-One… averaged approximately 12,307 daily downloads while Authenticator averaged 11.
Recent Reviews
Security Optimizer – The All-In-One… Reviews
Good Security Control
Installed it to improve my site security. The interface is simple, and most features work well. Had to tweak a few settings, but nothing complicated. Overall, pretty useful plugin. tnx devs. T
sgs_whitelist_wp_content custom filter doesn’t work
This plugin seems to be designed for SiteGround hosting only. I am using SiteGround, and the plugin works well except for the file whitelisting feature. I applied the sgs_whitelist_wp_content custom f
Horrible. Clashes with everything. Breaches GDPR
This plugin has caused nothing but endless problems. It clashes with Elementor and Papal payment plugins. Of course, all Siteground do is blame the other companies, as if their plugin is perfect. W
Authenticator Reviews
Functionality
perfect
I love simplicity
It doesn’t get easier than this. Thank you ♥
Indispensable
This is the first plugin I install on every new website to protect it until going live. Never had any problems with this handy piece of software. Thanks, Peter
More Plugins Worth Comparing
Top alternatives in the same category as Security Optimizer – The All-In-One… and Authenticator
Limit rate of login attempts, including by way of cookies, for each IP. Fully customizable.
LoginPress is a Custom Login Page Customizer plugin allows you to easily customize the layout of login, admin login, client login, register pages.
Hide and Secure WP paths with the complete WP security suite for Site Hardening. Includes 8G Firewall, Brute Force protection, and Passkeys.
Protect, lockdown & secure login form by limiting login attempts from the same IP & banning IPs.
Frequently Asked Questions
Is Security Optimizer – The All-In-One… or Authenticator more popular?
Which has better ratings — Security Optimizer – The All-In-One… or Authenticator?
Are Security Optimizer – The All-In-One… and Authenticator free?
Which plugin has better support — Security Optimizer – The All-In-One… or Authenticator?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.