Security Optimizer – The All-In-One… vs Prevent Concurrent Logins (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
Prevent Concurrent Logins
900 active installs
Free
Quick Verdict
As of April 2026, Prevent Concurrent Logins has a higher user rating (5/5 from 17 reviews) while Security Optimizer – The All-In-One… leads in active installations (1.0M+ vs 900). Both are free WordPress plugins. Security Optimizer – The All-In-One… has accumulated 32M+ total downloads while Prevent Concurrent Logins has 17K+.
Detailed Comparison
| Metric | Security Optimizer – The All-In-One… | Prevent Concurrent Logins | |
|---|---|---|---|
| Rating | 4.5/5 | ► | 5/5 |
| Total Reviews | 153 | ◄ | 17 |
| Active Installs | 1.0M+ | ◄ | 900 |
| Total Downloads | 32M+ | ◄ | 17K+ |
| Support Resolution | 75% | N/A | |
| Last Updated | 5 days ago | ◄ | 9 years ago |
| First Released | 2021 | 2014 | |
| Age | 5 years | 12 years | |
| WP Requires | 4.7+ | 4.1+ | |
| PHP Requires | 7.0+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.0 | 0.4.0 |
Rating Breakdown
Security Optimizer – The All-In-One…
Prevent Concurrent Logins
Download Trends
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
Prevent Concurrent Logins Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.