PluginSift

Gmail SMTP vs Authorizer (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Gmail SMTP

Gmail SMTP

4.1(101)

10K+ active installs

Free

Updated 1 month ago
View Gmail SMTP
VS
Authorizer

Authorizer

5(19)

5.0K+ active installs

Free

Updated 3 months ago
View Authorizer

Quick Verdict

As of April 2026, Authorizer has a higher user rating (5/5 from 19 reviews) while Gmail SMTP leads in active installations (10K+ vs 5.0K+). Both are free WordPress plugins. Gmail SMTP has accumulated 723K+ total downloads while Authorizer has 182K+. Authorizer has a higher support resolution rate (100% vs 50%).

Detailed Comparison

Rating
4.1/5Gmail SMTP
►
Authorizer5/5
Total Reviews
101Gmail SMTP
◄
Authorizer19
Active Installs
10K+Gmail SMTP
◄
Authorizer5.0K+
Total Downloads
723K+Gmail SMTP
◄
Authorizer182K+
Support Resolution
50%Gmail SMTP
►
Authorizer100%
Last Updated
1 month agoGmail SMTP
◄
Authorizer3 months ago
First Released
2015Gmail SMTP
Authorizer2015
Age
11 yearsGmail SMTP
Authorizer11 years
WP Requires
6.9+Gmail SMTP
Authorizer5.5+
PHP Requires
5.6+Gmail SMTP
Authorizer7.4+
Business Model
FreeGmail SMTP
AuthorizerFree
Latest Version
1.2.3.18Gmail SMTP
Authorizer3.13.4

Rating Breakdown

Gmail SMTP

4.1/5(101 reviews)
5
75%
4
0%
3
2%
2
3%
1
20%

Authorizer

5/5(19 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Gmail SMTP Reviews

by karlosuccess

Good when it works, only for small sites installed at root

The plugin is great when it works. The plugin suddenly stopped working. I contacted support, they checked the site, and stopped answering. They did not say yes, no, we can or cannot fix it. They st

by FredEval

Works well, simple clean interface.

It’s wonderful when you can find a plugin that is not bloated. Thank you to the developer for this great, easy to use and easy to follow instructions!

by djaberadber

Worked Like Magic!

this plugin works like magicdirectly to the inboxDaaamn its really goodif you are using your own vps – dont forget to open port 587 and 465 in tcp protocolotherwise it wont work – open them also in yo

Authorizer Reviews

by oshurkov

Super!!!

please update translate from: https://translate.wordpress.org/projects/wp-plugins/authorizer/ Everything worked very cool with LDAP! There is everything you need from the settings! Moreover, there

by JSL

Authorizer Plugin is Excellent

I’m using Authorizer on WP Multisite, it works very well. I use Google Cloud > API’s & Services > Credentials for 2 factor authentication. Note: if you get authentication errors try clearing your

by svyatoslavnetrunner

Brilliant plugin & team behind it!

This plugin strikes as created by really unique people, following best coding practices to achieve the best results.

Frequently Asked Questions

Is Gmail SMTP or Authorizer more popular?
Gmail SMTP has 10K+ active installations while Authorizer has 5.0K+. Gmail SMTP is the more widely-used plugin as of April 2026.
Which has better ratings — Gmail SMTP or Authorizer?
Gmail SMTP has a 4.1/5 rating from 101 reviews, while Authorizer has a 5/5 rating from 19 reviews.
Are Gmail SMTP and Authorizer free?
Gmail SMTP is free and Authorizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Gmail SMTP or Authorizer?
As of April 2026, Gmail SMTP has a 50% support resolution rate while Authorizer has a 100% rate.
Which plugin is updated more frequently?
Gmail SMTP was last updated 1 month ago and Authorizer was last updated 3 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.