WordPress plugin comparison

Kit (formerly ConvertKit) vs Simple Membership Custom Messages

Kit (formerly ConvertKit)

by Kit

40K+ installs4.8

Simple Membership Custom Messages

by wp.insider

7K+ installs5.0

At a glance

Kit (formerly ConvertKit) has more active installs: 40K+, against 7K+ for Simple Membership Custom Messages.
On a typical day, Kit (formerly ConvertKit) is downloaded about 1,490 times, Simple Membership Custom Messages about 32.
Simple Membership Custom Messages is rated higher: 5.0 out of 5 from 4 reviews, against 4.8 from 90 reviews.
Kit (formerly ConvertKit) was updated more recently: Nov 5, 2026, against Aug 21, 2026 for Simple Membership Custom Messages.
Both are tested up to WordPress 7.1.4.
Simple Membership Custom Messages has been around longer: since 2014, against 2015 for Kit (formerly ConvertKit).

Kit (formerly ConvertKit) leads on 5 of 6 comparable lines.

Metric	Kit (formerly ConvertKit)	Simple Membership Custom Messages
Popular rank	#802	#2,617
Active installs	40K+	7K+
Downloads, last 30 days	112.9K	958
Rating	4.8(90)	5.0(4)
Support threads resolved	100%	–
Tested up to	7.1.4	7.1.4
Search multiplier	×1.34	×0.84
Last release	5 days ago	2 months 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.

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