WordPress plugin comparison

Instock Email Alert for Woocommerce vs WP Mail SMTP by WPForms

Instock Email Alert for Woocommerce

by Laszlo Kruchio

100+ installs4.9

WP Mail SMTP by WPForms

by Syed Balkhi

4M+ installs4.8

At a glance

WP Mail SMTP by WPForms has more active installs: 4M+, against 100+ for Instock Email Alert for Woocommerce.
On a typical day, WP Mail SMTP by WPForms is downloaded about 38,840 times, Instock Email Alert for Woocommerce about 4.
Instock Email Alert for Woocommerce is rated higher: 4.9 out of 5 from 9 reviews, against 4.8 from 5,214 reviews.
WP Mail SMTP by WPForms was updated more recently: Oct 20, 2026, against Aug 11, 2022 for Instock Email Alert for Woocommerce.
WP Mail SMTP by WPForms is tested with a newer WordPress: 7.1.4, against 6.0.18 for Instock Email Alert for Woocommerce.
WP Mail SMTP by WPForms has been around longer: since 2007, against 2015 for Instock Email Alert for Woocommerce.

WP Mail SMTP by WPForms leads on 6 of 7 comparable lines.

Metric	Instock Email Alert for Woocommerce	WP Mail SMTP by WPForms
Popular rank	#14,641	#12
Active installs	100+	4M+
Downloads, last 30 days	91	2.8M
Rating	4.9(9)	4.8(5.2K)
Support threads resolved	–	87%
Tested up to	6.0.18	7.1.4
Search multiplier	×0.01	×5.72
Last release	4 years ago	22 days ago
Requires PHP	–	7.4

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.