PluginSift

All in One SEO – Powerful SEO Plugin to… vs Simplicy SEO (2026)

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

All in One SEO – Powerful SEO Plugin to…

All in One SEO – Powerful SEO Plugin to…

4.7(5,075)

3.0M+ active installs

Free

Updated 3 weeks ago
View All in One SEO – Powerful SEO Plugin to…
VS
Simplicy SEO

Simplicy SEO

5(1)

20 active installs

Free

Updated 11 years ago
View Simplicy SEO

Quick Verdict

As of April 2026, Simplicy SEO has a higher user rating (5/5 from 1 reviews) while All in One SEO – Powerful SEO Plugin to… leads in active installations (3.0M+ vs 20). Both are free WordPress plugins. All in One SEO – Powerful SEO Plugin to… has accumulated 200M+ total downloads while Simplicy SEO has 6.7K+.

Detailed Comparison

Rating
4.7/5All in One SEO – Powerful SEO Plugin to…
►
Simplicy SEO5/5
Total Reviews
5,075All in One SEO – Powerful SEO Plugin to…
◄
Simplicy SEO1
Active Installs
3.0M+All in One SEO – Powerful SEO Plugin to…
◄
Simplicy SEO20
Total Downloads
200M+All in One SEO – Powerful SEO Plugin to…
◄
Simplicy SEO6.7K+
Support Resolution
100%All in One SEO – Powerful SEO Plugin to…
Simplicy SEON/A
Last Updated
3 weeks agoAll in One SEO – Powerful SEO Plugin to…
◄
Simplicy SEO11 years ago
First Released
2007All in One SEO – Powerful SEO Plugin to…
Simplicy SEO2013
Age
19 yearsAll in One SEO – Powerful SEO Plugin to…
Simplicy SEO13 years
WP Requires
5.7+All in One SEO – Powerful SEO Plugin to…
Simplicy SEOfalse+
PHP Requires
7.2+All in One SEO – Powerful SEO Plugin to…
Simplicy SEOfalse+
Business Model
FreeAll in One SEO – Powerful SEO Plugin to…
Simplicy SEOFree
Latest Version
4.9.5.1All in One SEO – Powerful SEO Plugin to…
Simplicy SEO1.0.4

Rating Breakdown

All in One SEO – Powerful SEO Plugin to…

4.7/5(5,075 reviews)
5
91%
4
3%
3
1%
2
1%
1
5%

Simplicy SEO

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

Recent Reviews

All in One SEO – Powerful SEO Plugin to… Reviews

by kristy64

Useful but Limited

All in One SEO did help me with basic SEO work, so tnkz for that. But some parts felt less smooth than I expected, and I still had to fix things on my own. 3 star.

by joeles68

Een prettige SEO plugin om mee te werken

Een zeer prettige SEO plugin om mee te werken. Laat direct zien wat je kunt verbeteren en geeft ook een score. Ook de koppeling met AI voor het genereren van een meta beschrijving is erg prettig. Al m

by marcv73

Une aide appréciable

Je commence juste à l’utiliser mais cette extension est déjà d’une grande aide. Je me demande juste si elle est toujours bien à jour avec les cahiers des charges SEO/GEO. On verra bien au fur et à mes

Simplicy SEO Reviews

No reviews yet

Frequently Asked Questions

Is All in One SEO – Powerful SEO Plugin to… or Simplicy SEO more popular?
All in One SEO – Powerful SEO Plugin to… has 3.0M+ active installations while Simplicy SEO has 20. All in One SEO – Powerful SEO Plugin to… is the more widely-used plugin as of April 2026.
Which has better ratings — All in One SEO – Powerful SEO Plugin to… or Simplicy SEO?
All in One SEO – Powerful SEO Plugin to… has a 4.7/5 rating from 5,075 reviews, while Simplicy SEO has a 5/5 rating from 1 reviews.
Are All in One SEO – Powerful SEO Plugin to… and Simplicy SEO free?
All in One SEO – Powerful SEO Plugin to… is free and Simplicy SEO is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — All in One SEO – Powerful SEO Plugin to… or Simplicy SEO?
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?
All in One SEO – Powerful SEO Plugin to… was last updated 3 weeks ago and Simplicy SEO was last updated 11 years ago.

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