WordPress plugin comparison
BT Captcha vs Gravity Forms Zero Spam
At a glance
- Gravity Forms Zero Spam has more active installs: 100K+, against 10+ for BT Captcha.
- On a typical day, Gravity Forms Zero Spam is downloaded about 533 times, BT Captcha about 1.
- BT Captcha is rated higher: 5.0 out of 5 from 1 review, against 4.3 from 24 reviews.
- Gravity Forms Zero Spam was updated more recently: Sep 1, 2026, against Sep 21, 2011 for BT Captcha.
- Gravity Forms Zero Spam is tested with a newer WordPress: 7.0.8, against 3.2.1 for BT Captcha.
- BT Captcha has been around longer: since 2011, against 2014 for Gravity Forms Zero Spam.
Line by line
Gravity Forms Zero Spam leads on 6 of 7 comparable lines.
| Metric |  BT Captcha |  Gravity Forms Zero Spam |
|---|---|---|
| Popular rank | #48,304 | #453 |
| Active installs | 10+ | 100K+ |
| Downloads, last 30 days | 37 | 13.2K |
| Rating | 5.0(1) | 4.3(24) |
| Support threads resolved | – | 100% |
| Tested up to | 3.2.1 | 7.0.8 |
| Search multiplier | ×0.00 | ×1.25 |
| Last release | 15 years ago | 2 months ago |
| Requires PHP | – | 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
More comparisons
- BT Captcha vs Akismet Anti-spam
- BT Captcha vs Simple CAPTCHA with Cloudflare Turnstile
- BT Captcha vs Anti-Spam, Spam FireWall by CleanTalk
- BT Captcha vs Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR)
- Gravity Forms Zero Spam vs CF7 Apps
- Gravity Forms Zero Spam vs Spam Protection
- Gravity Forms Zero Spam vs Invisible Anti-Spam & CAPTCHA
- Gravity Forms Zero Spam vs Akismet Anti-spam
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free