WordPress plugin comparison
WhoKnew Shield vs Zero Spam for WordPress
WhoKnew Shield
by WhoKnew.io
30+ installs5.0
Zero Spam for WordPress
by Highfivery Studio
20K+ installs4.1
At a glance
- Zero Spam for WordPress has more active installs: 20K+, against 30+ for WhoKnew Shield.
- On a typical day, Zero Spam for WordPress is downloaded about 426 times, WhoKnew Shield about 5.
- WhoKnew Shield is rated higher: 5.0 out of 5 from 1 review, against 4.1 from 143 reviews.
- Zero Spam for WordPress was updated more recently: Nov 4, 2026, against Aug 19, 2026 for WhoKnew Shield.
- Both are tested up to WordPress 7.1.4.
- Zero Spam for WordPress has been around longer: since 2014, against 2026 for WhoKnew Shield.
Line by line
Zero Spam for WordPress leads on 5 of 6 comparable lines.
| Metric | WhoKnew Shield | Zero Spam for WordPress |
|---|---|---|
| Popular rank | #24,334 | #1,201 |
| Active installs | 30+ | 20K+ |
| Downloads, last 30 days | 66 | 24K |
| Rating | 5.0(1) | 4.1(143) |
| Support threads resolved | – | 100% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.27 | ×1.01 |
| Last release | 2 months ago | 5 days ago |
| Requires PHP | 7.4 | 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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