WordPress plugin comparison

Cost Calculator for Contact Form 7 vs Solar Calculator

Cost Calculator for Contact Form 7

by add-ons.org

5K+ installs3.8

Solar Calculator

by Helmut Burk

90+ installs

At a glance

Cost Calculator for Contact Form 7 has more active installs: 5K+, against 90+ for Solar Calculator.
On a typical day, Cost Calculator for Contact Form 7 is downloaded about 58 times, Solar Calculator about 4.
Solar Calculator has no reviews yet.
Cost Calculator for Contact Form 7 was updated more recently: Oct 17, 2026, against May 24, 2025 for Solar Calculator.
Cost Calculator for Contact Form 7 is tested with a newer WordPress: 7.1.4, against 6.8.12 for Solar Calculator.
Cost Calculator for Contact Form 7 has been around longer: since 2017, against 2025 for Solar Calculator.

Cost Calculator for Contact Form 7 leads on 6 of 6 comparable lines.

Metric	Cost Calculator for Contact Form 7	Solar Calculator
Popular rank	#2,967	#16,959
Active installs	5K+	90+
Downloads, last 30 days	3.4K	89
Rating	3.8(15)	No ratings
Support threads resolved	100%	–
Tested up to	7.1.4	6.8.12
Search multiplier	×0.82	×0.10
Last release	25 days ago	1 year ago
Requires PHP	5.2	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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