WordPress plugin comparison
Unique Comments vs Zero Spam for WordPress
Unique Comments
by Sergey Biryukov
10+ installs
Zero Spam for WordPress
by Highfivery Studio
20K+ installs4.1
At a glance
- Zero Spam for WordPress has more active installs: 20K+, against 10+ for Unique Comments.
- On a typical day, Zero Spam for WordPress is downloaded about 426 times, Unique Comments about 1.
- Unique Comments has no reviews yet.
- Zero Spam for WordPress was updated more recently: Nov 4, 2026, against Feb 16, 2010 for Unique Comments.
- Zero Spam for WordPress is tested with a newer WordPress: 7.1.4, against 2.9.2 for Unique Comments.
- Unique Comments has been around longer: since 2008, against 2014 for Zero Spam for WordPress.
Line by line
Zero Spam for WordPress leads on 6 of 6 comparable lines.
| Metric | Unique Comments | Zero Spam for WordPress |
|---|---|---|
| Popular rank | #31,823 | #1,203 |
| Active installs | 10+ | 20K+ |
| Downloads, last 30 days | 26 | 23.5K |
| Rating | No ratings | 4.1(143) |
| Support threads resolved | – | 100% |
| Tested up to | 2.9.2 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.01 |
| Last release | 16 years ago | 4 days ago |
| Requires PHP | – | 8.2 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
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