WordPress plugin comparison

Restrict Usernames Emails Characters vs Zero Spam for WordPress

Restrict Usernames Emails Characters

by Benaceur

1K+ installs4.5

Zero Spam for WordPress

by Highfivery Studio

20K+ installs4.1

At a glance

Zero Spam for WordPress has more active installs: 20K+, against 1K+ for Restrict Usernames Emails Characters.
On a typical day, Zero Spam for WordPress is downloaded about 426 times, Restrict Usernames Emails Characters about 37.
Restrict Usernames Emails Characters is rated higher: 4.5 out of 5 from 25 reviews, against 4.1 from 143 reviews.
Zero Spam for WordPress was updated more recently: Nov 4, 2026, against Oct 13, 2026 for Restrict Usernames Emails Characters.
Both are tested up to WordPress 7.1.4.
Zero Spam for WordPress has been around longer: since 2014, against 2016 for Restrict Usernames Emails Characters.

Zero Spam for WordPress leads on 5 of 6 comparable lines.

Metric	Restrict Usernames Emails Characters	Zero Spam for WordPress
Popular rank	#5,451	#1,201
Active installs	1K+	20K+
Downloads, last 30 days	1.9K	24K
Rating	4.5(25)	4.1(143)
Support threads resolved	100%	100%
Tested up to	7.1.4	7.1.4
Search multiplier	×0.70	×1.01
Last release	27 days ago	6 days ago
Requires PHP	5.4	8.2

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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