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Advanced Custom Fields (ACF®) vs Flex Fields (2026)

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

Advanced Custom Fields (ACF®)

Advanced Custom Fields (ACF®)

4.5(1,428)

2.0M+ active installs

Free

Updated 5 days ago
View Advanced Custom Fields (ACF®)
VS
Flex Fields

Flex Fields

0(0)

10 active installs

Free

Updated 2 weeks ago
View Flex Fields

Quick Verdict

As of April 2026, Advanced Custom Fields (ACF®) has a higher user rating (4.5/5 from 1,428 reviews) and leads in active installations (2.0M+ vs 10). Both are free WordPress plugins. Advanced Custom Fields (ACF®) has accumulated 69M+ total downloads while Flex Fields has 1.2K+.

Detailed Comparison

Rating
4.5/5Advanced Custom Fields (ACF®)
◄
Flex FieldsN/A
Total Reviews
1,428Advanced Custom Fields (ACF®)
◄
Flex Fields0
Active Installs
2.0M+Advanced Custom Fields (ACF®)
◄
Flex Fields10
Total Downloads
69M+Advanced Custom Fields (ACF®)
◄
Flex Fields1.2K+
Support Resolution
43%Advanced Custom Fields (ACF®)
Flex FieldsN/A
Last Updated
5 days agoAdvanced Custom Fields (ACF®)
◄
Flex Fields2 weeks ago
First Released
2011Advanced Custom Fields (ACF®)
Flex Fields2024
Age
15 yearsAdvanced Custom Fields (ACF®)
Flex Fields2 years
WP Requires
6.2+Advanced Custom Fields (ACF®)
Flex Fields6.6+
PHP Requires
7.4+Advanced Custom Fields (ACF®)
Flex Fields7.0+
Business Model
FreeAdvanced Custom Fields (ACF®)
Flex FieldsFree
Latest Version
6.8.0Advanced Custom Fields (ACF®)
Flex Fields2.2.5

Rating Breakdown

Advanced Custom Fields (ACF®)

4.5/5(1,428 reviews)
5
84%
4
2%
3
1%
2
1%
1
12%

Flex Fields

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

Recent Reviews

Advanced Custom Fields (ACF®) Reviews

by tyriqsuth

Must Have Tool

One of the best plugins I’ve used. Makes custom fields super easy to manage. Works smoothly and is very flexible. tnx to devs, really helped in my projects 👍

by albertowadsworth

Flexible Fields Tool

ACF really helps when adding custom fields to posts n pages. Setup is pretty simple and very flexible. Took a little time to learn at first, but works great once you get used to it. Tnkz devs.

by annafjmorris

I just want to display the content

The back-end set up is great and clearly this is a powerful plugin. However, this plugin requires either the paid version or custom PHP theme to display the content on the front end! There are no bloc

Flex Fields Reviews

No reviews yet

Frequently Asked Questions

Is Advanced Custom Fields (ACF®) or Flex Fields more popular?
Advanced Custom Fields (ACF®) has 2.0M+ active installations while Flex Fields has 10. Advanced Custom Fields (ACF®) is the more widely-used plugin as of April 2026.
Which has better ratings — Advanced Custom Fields (ACF®) or Flex Fields?
Advanced Custom Fields (ACF®) has a 4.5/5 rating from 1,428 reviews, while Flex Fields has a 0/5 rating from 0 reviews.
Are Advanced Custom Fields (ACF®) and Flex Fields free?
Advanced Custom Fields (ACF®) is free and Flex Fields is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Advanced Custom Fields (ACF®) or Flex Fields?
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?
Advanced Custom Fields (ACF®) was last updated 5 days ago and Flex Fields was last updated 2 weeks ago.

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