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Gmail SMTP vs OAuth.php (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
OAuth.php

OAuth.php

0(0)

10 active installs

Free

Updated 14 years ago
View OAuth.php

Quick Verdict

As of April 2026, Gmail SMTP has a higher user rating (4.1/5 from 101 reviews) and leads in active installations (10K+ vs 10). Both are free WordPress plugins. Gmail SMTP has accumulated 723K+ total downloads while OAuth.php has 3.1K+.

Detailed Comparison

Rating
4.1/5Gmail SMTP
◄
OAuth.phpN/A
Total Reviews
101Gmail SMTP
◄
OAuth.php0
Active Installs
10K+Gmail SMTP
◄
OAuth.php10
Total Downloads
723K+Gmail SMTP
◄
OAuth.php3.1K+
Support Resolution
50%Gmail SMTP
OAuth.phpN/A
Last Updated
1 month agoGmail SMTP
◄
OAuth.php14 years ago
First Released
2015Gmail SMTP
OAuth.php2011
Age
11 yearsGmail SMTP
OAuth.php15 years
WP Requires
6.9+Gmail SMTP
OAuth.php3.0+
PHP Requires
5.6+Gmail SMTP
OAuth.phpfalse+
Business Model
FreeGmail SMTP
OAuth.phpFree
Latest Version
1.2.3.18Gmail SMTP
OAuth.php1.1

Rating Breakdown

Gmail SMTP

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

OAuth.php

0/5(0 reviews)
5
0%
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

OAuth.php Reviews

No reviews yet

Frequently Asked Questions

Is Gmail SMTP or OAuth.php more popular?
Gmail SMTP has 10K+ active installations while OAuth.php has 10. Gmail SMTP is the more widely-used plugin as of April 2026.
Which has better ratings — Gmail SMTP or OAuth.php?
Gmail SMTP has a 4.1/5 rating from 101 reviews, while OAuth.php has a 0/5 rating from 0 reviews.
Are Gmail SMTP and OAuth.php free?
Gmail SMTP is free and OAuth.php is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Gmail SMTP or OAuth.php?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Gmail SMTP was last updated 1 month ago and OAuth.php was last updated 14 years ago.

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