MailOptin – Popup, Optin Forms & Email… vs Smart Popup by Supsystic (2026)

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

MailOptin – Popup, Optin Forms & Email…

MailOptin – Popup, Optin Forms & Email…

4.8(434)

20K+ active installs

Free + Premium

Updated 1 week ago
View MailOptin – Popup, Optin Forms & Email…
VS
Smart Popup by Supsystic

Smart Popup by Supsystic

4.5(340)

10K+ active installs

Free

Updated 5 days ago
View Smart Popup by Supsystic

Quick Verdict

As of April 2026, MailOptin – Popup, Optin Forms & Email… has a higher user rating (4.8/5 from 434 reviews) and leads in active installations (20K+ vs 10K+). Both are free + premium WordPress plugins. MailOptin – Popup, Optin Forms & Email… has accumulated 2.4M+ total downloads while Smart Popup by Supsystic has 1.6M+.

Detailed Comparison

Rating
4.8/5MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic4.5/5
Total Reviews
434MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic340
Active Installs
20K+MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic10K+
Total Downloads
2.4M+MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic1.6M+
Support Resolution
N/AMailOptin – Popup, Optin Forms & Email…
Smart Popup by SupsysticN/A
Last Updated
1 week agoMailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic5 days ago
First Released
2017MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic2015
Age
9 yearsMailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic11 years
WP Requires
6.4+MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic6.0+
PHP Requires
7.4+MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsysticfalse+
Business Model
Free + PremiumMailOptin – Popup, Optin Forms & Email…
Smart Popup by SupsysticFree
Latest Version
1.2.77.0MailOptin – Popup, Optin Forms & Email…
Smart Popup by Supsystic1.11.0

Rating Breakdown

MailOptin – Popup, Optin Forms & Email…

4.8/5(434 reviews)
5
92%
4
2%
3
1%
2
1%
1
3%

Smart Popup by Supsystic

4.5/5(340 reviews)
5
84%
4
5%
3
1%
2
2%
1
9%

Recent Reviews

MailOptin – Popup, Optin Forms & Email… Reviews

by gpaulley

Outstanding.

After trying IceGram and being tremendously disappointed, I decided to try MailOptIn. My stack includes WP Mail SMTP, MailOptIn, MailJet, and WP Forms. The implementation has been flawless and I love

by chaney220

Outstanding Customer Service!

One of the customer service reps contacted me and offered to create a free campaign for me! I just told him what I wanted, and he did all the work for me. And he did a great job!

by tcraftcoltd

すごいよ

ありがとうございます。

Smart Popup by Supsystic Reviews

by Tim Codex

Violate Plugin Policy.

It always shows a pop up inside admin dashboard. Close button does not work. I am considering to report this plugin.

by SFAT LLC

Does its job, RIP free version

UX and UI are clunky since the plugin inception and can be overwhelming for casuals. Recent changes to Pro plan, that moved any gallery’s core functionality – which in my opinion is lightbox – to the

by shahvatnak

Critical error caused by this plugin

Hello, Please don’t get me wrong. I love your plugin . Unbelievable piece of art! second to none! but it turns my website down and and I’m getting critical error warning. Is there any bug or issue?

Frequently Asked Questions

Is MailOptin – Popup, Optin Forms & Email… or Smart Popup by Supsystic more popular?
MailOptin – Popup, Optin Forms & Email… has 20K+ active installations while Smart Popup by Supsystic has 10K+. MailOptin – Popup, Optin Forms & Email… is the more widely-used plugin as of April 2026.
Which has better ratings — MailOptin – Popup, Optin Forms & Email… or Smart Popup by Supsystic?
MailOptin – Popup, Optin Forms & Email… has a 4.8/5 rating from 434 reviews, while Smart Popup by Supsystic has a 4.5/5 rating from 340 reviews.
Are MailOptin – Popup, Optin Forms & Email… and Smart Popup by Supsystic free?
MailOptin – Popup, Optin Forms & Email… is free + premium and Smart Popup by Supsystic is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — MailOptin – Popup, Optin Forms & Email… or Smart Popup by Supsystic?
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?
MailOptin – Popup, Optin Forms & Email… was last updated 1 week ago and Smart Popup by Supsystic was last updated 5 days ago.

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