Query Monitor – The developer tools… vs BlackBox Debug Bar (2026)

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

Query Monitor – The developer tools…

Query Monitor – The developer tools…

4.9(464)

200K+ active installs

Free

Updated 2 weeks ago
View Query Monitor – The developer tools…
VS
BlackBox Debug Bar

BlackBox Debug Bar

4.6(15)

90 active installs

Free

Updated 13 years ago
View BlackBox Debug Bar

Quick Verdict

As of April 2026, Query Monitor – The developer tools… has a higher user rating (4.9/5 from 464 reviews) and leads in active installations (200K+ vs 90). Both are free WordPress plugins. Query Monitor – The developer tools… has accumulated 19M+ total downloads while BlackBox Debug Bar has 19K+.

Detailed Comparison

Rating
4.9/5Query Monitor – The developer tools…
BlackBox Debug Bar4.6/5
Total Reviews
464Query Monitor – The developer tools…
BlackBox Debug Bar15
Active Installs
200K+Query Monitor – The developer tools…
BlackBox Debug Bar90
Total Downloads
19M+Query Monitor – The developer tools…
BlackBox Debug Bar19K+
Support Resolution
43%Query Monitor – The developer tools…
BlackBox Debug BarN/A
Last Updated
2 weeks agoQuery Monitor – The developer tools…
BlackBox Debug Bar13 years ago
First Released
2013Query Monitor – The developer tools…
BlackBox Debug Bar2011
Age
13 yearsQuery Monitor – The developer tools…
BlackBox Debug Bar15 years
WP Requires
6.1+Query Monitor – The developer tools…
BlackBox Debug Bar3.0.0+
PHP Requires
7.4+Query Monitor – The developer tools…
BlackBox Debug Barfalse+
Business Model
FreeQuery Monitor – The developer tools…
BlackBox Debug BarFree
Latest Version
3.20.4Query Monitor – The developer tools…
BlackBox Debug Bar0.1.3

Rating Breakdown

Query Monitor – The developer tools…

4.9/5(464 reviews)
5
97%
4
1%
3
0%
2
0%
1
2%

BlackBox Debug Bar

4.6/5(15 reviews)
5
80%
4
7%
3
7%
2
7%
1
0%

Recent Reviews

Query Monitor – The developer tools… Reviews

by dochara

The most useful plugin of all time

If you’ve even the smell of an issue with your site, this will track it down so that you can fix it. An indispensable tool for developers.

by kloddant

Good

Good. Shows a lot of useful stuff. Note that you will need to add /wp-content/db.php to your gitignore. This topic was modified 1 month, 3 weeks ago by kloddant.

by tinhnguyenblog

Quá tuyệt vời, plugin này web nào tôi cũng cài

Tôi thường tạo các demo web, blog với những lựa chọn khác nhau về theme, plugin. Việc theo dõi hiệu suất backend là rất quan trọng để chọn ra được một combo tốt về hiệu suất.

BlackBox Debug Bar Reviews

No reviews yet

Frequently Asked Questions

Is Query Monitor – The developer tools… or BlackBox Debug Bar more popular?
Query Monitor – The developer tools… has 200K+ active installations while BlackBox Debug Bar has 90. Query Monitor – The developer tools… is the more widely-used plugin as of April 2026.
Which has better ratings — Query Monitor – The developer tools… or BlackBox Debug Bar?
Query Monitor – The developer tools… has a 4.9/5 rating from 464 reviews, while BlackBox Debug Bar has a 4.6/5 rating from 15 reviews.
Are Query Monitor – The developer tools… and BlackBox Debug Bar free?
Query Monitor – The developer tools… is free and BlackBox Debug Bar is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Query Monitor – The developer tools… or BlackBox Debug Bar?
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?
Query Monitor – The developer tools… was last updated 2 weeks ago and BlackBox Debug Bar was last updated 13 years ago.

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