Debug Bar vs Output Buffer Tester (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
VS
VS
Quick Verdict
As of April 2026, Debug Bar has a higher user rating (4.1/5 from 69 reviews) and leads in active installations (20K+ vs 10). Both are free WordPress plugins. Debug Bar has accumulated 2.1M+ total downloads while Output Buffer Tester has 1.7K+.
Detailed Comparison
| Metric | Debug Bar | Output Buffer Tester | |
|---|---|---|---|
| Rating | 4.1/5 | ◄ | N/A |
| Total Reviews | 69 | ◄ | 0 |
| Active Installs | 20K+ | ◄ | 10 |
| Total Downloads | 2.1M+ | ◄ | 1.7K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 month ago | ◄ | 8 years ago |
| First Released | 2010 | 2018 | |
| Age | 16 years | 8 years | |
| WP Requires | 3.4+ | 4.0+ | |
| PHP Requires | false+ | 5.2+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1.8 | 1.0.1 |
Rating
4.1/5Debug Bar
◄Output Buffer TesterN/A
Total Reviews
69Debug Bar
◄Output Buffer Tester0
Active Installs
20K+Debug Bar
◄Output Buffer Tester10
Total Downloads
2.1M+Debug Bar
◄Output Buffer Tester1.7K+
Support Resolution
N/ADebug Bar
Output Buffer TesterN/A
Last Updated
1 month agoDebug Bar
◄Output Buffer Tester8 years ago
First Released
2010Debug Bar
Output Buffer Tester2018
Age
16 yearsDebug Bar
Output Buffer Tester8 years
WP Requires
3.4+Debug Bar
Output Buffer Tester4.0+
PHP Requires
false+Debug Bar
Output Buffer Tester5.2+
Business Model
FreeDebug Bar
Output Buffer TesterFree
Latest Version
1.1.8Debug Bar
Output Buffer Tester1.0.1
Rating Breakdown
Debug Bar
4.1/5(69 reviews)
5
74%
4
4%
3
1%
2
1%
1
19%
Output Buffer Tester
0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%
Download Trends
Recent Reviews
Debug Bar Reviews
by Lene
Simple and easy
It works…
by Michael Galli
Works perfectly
Finding bugs is very easy and efficient with that plugin. I can highly recommend it.
by James Hunt
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
Output Buffer Tester Reviews
No reviews yet
Frequently Asked Questions
Is Debug Bar or Output Buffer Tester more popular?
Debug Bar has 20K+ active installations while Output Buffer Tester has 10. Debug Bar is the more widely-used plugin as of April 2026.
Which has better ratings — Debug Bar or Output Buffer Tester?
Debug Bar has a 4.1/5 rating from 69 reviews, while Output Buffer Tester has a 0/5 rating from 0 reviews.
Are Debug Bar and Output Buffer Tester free?
Debug Bar is free and Output Buffer Tester is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Debug Bar or Output Buffer Tester?
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?
Debug Bar was last updated 1 month ago and Output Buffer Tester was last updated 8 years ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.