PluginSift

Co-Authors Plus vs SP Authors (2026)

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

Co-Authors Plus

Co-Authors Plus

3.5(77)

20K+ active installs

Free

Updated 5 months ago
View Co-Authors Plus
VS
SP Authors

SP Authors

0(0)

10 active installs

Free

Updated 16 years ago
View SP Authors

Quick Verdict

As of April 2026, Co-Authors Plus has a higher user rating (3.5/5 from 77 reviews) and leads in active installations (20K+ vs 10). Both are free WordPress plugins. Co-Authors Plus has accumulated 1.4M+ total downloads while SP Authors has 3.6K+.

Detailed Comparison

Rating
3.5/5Co-Authors Plus
◄
SP AuthorsN/A
Total Reviews
77Co-Authors Plus
◄
SP Authors0
Active Installs
20K+Co-Authors Plus
◄
SP Authors10
Total Downloads
1.4M+Co-Authors Plus
◄
SP Authors3.6K+
Support Resolution
N/ACo-Authors Plus
SP AuthorsN/A
Last Updated
5 months agoCo-Authors Plus
◄
SP Authors16 years ago
First Released
2009Co-Authors Plus
SP Authors2009
Age
17 yearsCo-Authors Plus
SP Authors17 years
WP Requires
5.9+Co-Authors Plus
SP Authors2.6+
PHP Requires
7.4+Co-Authors Plus
SP Authorsfalse+
Business Model
FreeCo-Authors Plus
SP AuthorsFree
Latest Version
3.7.0Co-Authors Plus
SP Authors1.0

Rating Breakdown

Co-Authors Plus

3.5/5(77 reviews)
5
47%
4
10%
3
9%
2
10%
1
23%

SP Authors

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

Recent Reviews

Co-Authors Plus Reviews

by jroselarsen

Great plugin – but support sucks

Would be a 5 star.But since reporting an error for more than a month ago, nothing has happened.Have to keep previous version to avoid errors.(Not possible for co-authors to edit posts without error)Wo

by audunmb

Several issues, little support

The latest update with new blocks adds much functionality, but unfortunately the plugin has some bugs and seems to be poorly supported. It’s a volunteer effort mostly, and there doesn’t seem to be an

by vytecolombia

Excelente plugin

Simplemente si quieres agregar varios autores a una entrada o simplemente cambiarlos, este plugin lo soluciona de una manera excelente, intuitiva y sin tanto complique. Muchas gracias a los desarr

SP Authors Reviews

No reviews yet

Frequently Asked Questions

Is Co-Authors Plus or SP Authors more popular?
Co-Authors Plus has 20K+ active installations while SP Authors has 10. Co-Authors Plus is the more widely-used plugin as of April 2026.
Which has better ratings — Co-Authors Plus or SP Authors?
Co-Authors Plus has a 3.5/5 rating from 77 reviews, while SP Authors has a 0/5 rating from 0 reviews.
Are Co-Authors Plus and SP Authors free?
Co-Authors Plus is free and SP Authors is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Co-Authors Plus or SP Authors?
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?
Co-Authors Plus was last updated 5 months ago and SP Authors was last updated 16 years ago.

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