WordPress plugin comparison
Formidable Anti-Spam vs Invisible Anti-Spam & CAPTCHA
Formidable Anti-Spam
by thomstark
60+ installs5.0
Invisible Anti-Spam & CAPTCHA
by Matthias Nordwig
5K+ installs4.8
At a glance
- Invisible Anti-Spam & CAPTCHA has more active installs: 5K+, against 60+ for Formidable Anti-Spam.
- On a typical day, Invisible Anti-Spam & CAPTCHA is downloaded about 199 times, Formidable Anti-Spam about 2.
- Formidable Anti-Spam is rated higher: 5.0 out of 5 from 1 review, against 4.8 from 50 reviews.
- Invisible Anti-Spam & CAPTCHA was updated more recently: Nov 4, 2026, against Oct 1, 2014 for Formidable Anti-Spam.
- Invisible Anti-Spam & CAPTCHA is tested with a newer WordPress: 7.1.4, against 4.0.38 for Formidable Anti-Spam.
- Formidable Anti-Spam 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 | Formidable Anti-Spam | Invisible Anti-Spam & CAPTCHA |
|---|---|---|
| Popular rank | #19,696 | #3,192 |
| Active installs | 60+ | 5K+ |
| Downloads, last 30 days | 41 | 8.4K |
| Rating | 5.0(1) | 4.8(50) |
| Support threads resolved | – | 83% |
| Tested up to | 4.0.38 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.34 |
| Last release | 12 years ago | 7 days ago |
| Requires PHP | – | 7.1 |
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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- Formidable Anti-Spam vs Gravity Forms Zero Spam
- Formidable Anti-Spam vs Spam Protection
- Invisible Anti-Spam & CAPTCHA vs CF7 Apps
- Invisible Anti-Spam & CAPTCHA vs Gravity Forms Zero Spam
- Invisible Anti-Spam & CAPTCHA vs Friendly Captcha for WordPress
- Invisible Anti-Spam & CAPTCHA vs oopspam Anti-Spam
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