Head-to-head · September 2026
Query Monitor vs ZeroFatal
Query Monitor comes out ahead, winning 3 of 6 head-to-head checks against ZeroFatal.
Query Monitor
Query Monitor is the developer tools panel for WordPress and WooCommerce. It enables debugging of database…
ZeroFatal
Your uptime monitor tells you when the whole site is down. It says nothing when a plugin conflict breaks only…
| Metric | Query Monitor | ZeroFatal |
|---|---|---|
| Active installs | 200K+ | <10 |
| Downloads (30 days) | 301.9K | 70 |
| Download trend | -2% | 0% |
| Rating | 4.9/5 | 5/5 |
| Reviews | 469 | 1 |
| Health score | 71/100 | 71/100 |
| Last updated | 3 months ago | 3 days ago |
| Tested up to | WP 7.0.6 | WP 7.1.2 |
| Support resolved | 33% | — |
| Requires PHP | 7.4+ | 7.4+ |
| First released | Nov 2013 | Sep 2026 |
Daily downloads, last 90 days
Query MonitorZeroFatal
Choose Query Monitor if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 200K+ active sites
- Loved by users — 4.9/5 from 469 reviews
- Slow support — only 33% of recent threads resolved
Choose ZeroFatal if…
You care most about download trend, last updated and tested up to.
- Actively developed — last update 3 days ago
- Tested with the latest WordPress (7.1)
- Small user base (<10 active installs)
- Very few reviews so far
Both compete in: debug
FAQ
Query Monitor vs ZeroFatal: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Which is better, Query Monitor or ZeroFatal?
Query Monitor comes out ahead, winning 3 of 6 head-to-head checks against ZeroFatal. Choose Query Monitor if you care most about active installs, downloads (30 days) and reviews. Choose ZeroFatal if you care most about download trend, last updated and tested up to.
Is Query Monitor more popular than ZeroFatal?
Query Monitor is the more popular of the two with 200K+ active installs, compared with <10 for ZeroFatal.
Can I use Query Monitor and ZeroFatal together?
Both plugins cover debug, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are Query Monitor and ZeroFatal free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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