WordPress plugin comparison
Invisible Anti-Spam & CAPTCHA vs Kama SpamBlock
Invisible Anti-Spam & CAPTCHA
by Matthias Nordwig
5K+ installs4.8
Kama SpamBlock
by Timur Kamaev
4K+ installs5.0
At a glance
- Invisible Anti-Spam & CAPTCHA has more active installs: 5K+, against 4K+ for Kama SpamBlock.
- On a typical day, Invisible Anti-Spam & CAPTCHA is downloaded about 199 times, Kama SpamBlock about 32.
- Kama SpamBlock is rated higher: 5.0 out of 5 from 17 reviews, against 4.8 from 50 reviews.
- Invisible Anti-Spam & CAPTCHA was updated more recently: Nov 4, 2026, against Jul 25, 2026 for Kama SpamBlock.
- Invisible Anti-Spam & CAPTCHA is tested with a newer WordPress: 7.1.4, against 7.0.8 for Kama SpamBlock.
- Kama SpamBlock has been around longer: since 2014, against 2022 for Invisible Anti-Spam & CAPTCHA.
Line by line
Invisible Anti-Spam & CAPTCHA leads on 6 of 7 comparable lines.
| Metric | Invisible Anti-Spam & CAPTCHA | Kama SpamBlock |
|---|---|---|
| Popular rank | #3,192 | #3,326 |
| Active installs | 5K+ | 4K+ |
| Downloads, last 30 days | 8.4K | 803 |
| Rating | 4.8(50) | 5.0(17) |
| Support threads resolved | 83% | – |
| Tested up to | 7.1.4 | 7.0.8 |
| Search multiplier | ×1.34 | ×0.78 |
| Last release | 6 days ago | 3 months ago |
| Requires PHP | 7.1 | 7.4 |
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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- Kama SpamBlock vs Akismet Anti-spam
- Kama SpamBlock vs Anti-Spam, Spam FireWall by CleanTalk
- Kama SpamBlock vs Spam Destroyer
- Kama SpamBlock vs Gravity Forms Zero Spam
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