WordPress plugin comparison

Invoice King Pro vs Payment forms, Buy now buttons, and Invoicing System

Invoice King Pro

by Ash Durham

20+ installs4.4

Payment forms, Buy now buttons, and Invoicing System

by Stiofan

5K+ installs4.5

At a glance

Payment forms, Buy now buttons, and Invoicing System has more active installs: 5K+, against 20+ for Invoice King Pro.
On a typical day, Payment forms, Buy now buttons, and Invoicing System is downloaded about 203 times, Invoice King Pro about 2.
Payment forms, Buy now buttons, and Invoicing System is rated higher: 4.5 out of 5 from 46 reviews, against 4.4 from 7 reviews.
Payment forms, Buy now buttons, and Invoicing System was updated more recently: Nov 5, 2026, against Jul 16, 2014 for Invoice King Pro.
Payment forms, Buy now buttons, and Invoicing System is tested with a newer WordPress: 7.1.4, against 3.9.40 for Invoice King Pro.
Invoice King Pro has been around longer: since 2013, against 2017 for Payment forms, Buy now buttons, and Invoicing System.

Payment forms, Buy now buttons, and Invoicing System leads on 7 of 7 comparable lines.

Metric	Invoice King Pro	Payment forms, Buy now buttons, and Invoicing System
Popular rank	#26,781	#3,169
Active installs	20+	5K+
Downloads, last 30 days	32	13.1K
Rating	4.4(7)	4.5(46)
Support threads resolved	–	0%
Tested up to	3.9.40	7.1.4
Search multiplier	×0.00	×0.76
Last release	12 years ago	5 days ago
Requires PHP	–	5.6

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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