Debug Bar vs KL Debug (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, KL Debug has a higher user rating (5/5 from 1 reviews) while Debug Bar leads in active installations (20K+ vs 10). Both are free WordPress plugins. Debug Bar has accumulated 2.1M+ total downloads while KL Debug has 1.6K+.
Detailed Comparison
| Metric | Debug Bar | KL Debug | |
|---|---|---|---|
| Rating | 4.1/5 | ► | 5/5 |
| Total Reviews | 69 | ◄ | 1 |
| Active Installs | 20K+ | ◄ | 10 |
| Total Downloads | 2.1M+ | ◄ | 1.6K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 month ago | ◄ | 3 years ago |
| First Released | 2010 | 2020 | |
| Age | 16 years | 6 years | |
| WP Requires | 3.4+ | 5.2+ | |
| PHP Requires | false+ | 7.2+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1.8 | 1.0.5 |
Rating Breakdown
Debug Bar
KL Debug
Download Trends
Recent Reviews
Debug Bar Reviews
Simple and easy
It works…
Works perfectly
Finding bugs is very easy and efficient with that plugin. I can highly recommend it.
Seemingly abandoned
Debug Bar is still listed in WordPress’s own developer documentation as a go-to debugging tool, yet it hasn’t been updated in over a year and throws PHP errors. It’s a clear example of Automattic prom
KL Debug Reviews
No reviews yet
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Frequently Asked Questions
Is Debug Bar or KL Debug more popular?
Which has better ratings — Debug Bar or KL Debug?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.