WordPress plugin comparison
Formidable Forms vs Kaigai Spam Mail Blocker
Formidable Forms
by Strategy11 Team
300K+ installs4.8
Kaigai Spam Mail Blocker
by higherfield
Fewer than 10 installs
At a glance
- Formidable Forms has more active installs: 300K+, against fewer than 10 for Kaigai Spam Mail Blocker.
- On a typical day, Formidable Forms is downloaded about 2,743 times, Kaigai Spam Mail Blocker about 1.
- Kaigai Spam Mail Blocker has no reviews yet.
- Formidable Forms was updated more recently: Oct 16, 2026, against Jan 23, 2026 for Kaigai Spam Mail Blocker.
- Formidable Forms is tested with a newer WordPress: 7.1.4, against 6.9.11 for Kaigai Spam Mail Blocker.
- Formidable Forms has been around longer: since 2009, against 2026 for Kaigai Spam Mail Blocker.
Line by line
Formidable Forms leads on 6 of 6 comparable lines.
| Metric | Formidable Forms | Kaigai Spam Mail Blocker |
|---|---|---|
| Popular rank | #176 | #70,612 |
| Active installs | 300K+ | Fewer than 10 |
| Downloads, last 30 days | 220.1K | 48 |
| Rating | 4.8(1.4K) | No ratings |
| Support threads resolved | 100% | – |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×1.76 | ×0.04 |
| Last release | 25 days ago | 9 months ago |
| Requires PHP | 7.0 | 7.2 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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