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WordPress plugin comparison

CM E-Mail Blacklist vs Invisible Anti-Spam & CAPTCHA

At a glance

  • Invisible Anti-Spam & CAPTCHA has more active installs: 5K+, against 700+ for CM E-Mail Blacklist.
  • On a typical day, Invisible Anti-Spam & CAPTCHA is downloaded about 199 times, CM E-Mail Blacklist about 25.
  • Invisible Anti-Spam & CAPTCHA is rated higher: 4.8 out of 5 from 50 reviews, against 4.5 from 8 reviews.
  • Invisible Anti-Spam & CAPTCHA was updated more recently: Nov 4, 2026, against Oct 13, 2026 for CM E-Mail Blacklist.
  • Invisible Anti-Spam & CAPTCHA is tested with a newer WordPress: 7.1.4, against 7.0.8 for CM E-Mail Blacklist.
  • CM E-Mail Blacklist has been around longer: since 2013, against 2022 for Invisible Anti-Spam & CAPTCHA.

Line by line

Invisible Anti-Spam & CAPTCHA leads on 7 of 7 comparable lines.

MetricCM E-Mail BlacklistInvisible Anti-Spam & CAPTCHA
Popular rank#7,639#3,192
Active installs700+5K+
Downloads, last 30 days1.2K8.4K
Rating4.5(8)4.8(50)
Support threads resolved–83%
Tested up to7.0.87.1.4
Search multiplier×0.56×1.34
Last release29 days ago7 days ago
Requires PHP5.2.47.1

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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