Category AJAX Filter – Advanced Filter… vs WP Ultimate Post Grid (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Category AJAX Filter – Advanced Filter…
6.0K+ active installs
Free
WP Ultimate Post Grid
4.0K+ active installs
Free + Premium
Quick Verdict
As of April 2026, Category AJAX Filter – Advanced Filter… has a higher user rating (4.9/5 from 152 reviews) and leads in active installations (6.0K+ vs 4.0K+). Both are free WordPress plugins. Category AJAX Filter – Advanced Filter… has accumulated 183K+ total downloads while WP Ultimate Post Grid has 162K+.
Detailed Comparison
| Metric | Category AJAX Filter – Advanced Filter… | WP Ultimate Post Grid | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | 4.4/5 |
| Total Reviews | 152 | ◄ | 32 |
| Active Installs | 6.0K+ | ◄ | 4.0K+ |
| Total Downloads | 183K+ | ◄ | 162K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 3 weeks ago | ◄ | 4 months ago |
| First Released | 2020 | 2015 | |
| Age | 6 years | 11 years | |
| WP Requires | 6.0+ | 3.5+ | |
| PHP Requires | 7.0+ | false+ | |
| Business Model | Free | Free + Premium | |
| Latest Version | 2.8.4.1 | 4.0.1 |
Rating Breakdown
Category AJAX Filter – Advanced Filter…
WP Ultimate Post Grid
Download Trends
Over the past 30 days, Category AJAX Filter – Advanced Filter… averaged approximately 160 daily downloads while WP Ultimate Post Grid averaged 14.
Recent Reviews
Category AJAX Filter – Advanced Filter… Reviews
Be WEARY of Pro version
This plugin is excellent, and its so good we purchased the pro version.That’s the good, now the bad.It appears their site went down the other day (error establishing connection to the database) and th
It does exactly what it says
This plugin is useful and has a great selection of settings. Well done.
Gamechanger filter for my website
I bought a (quite cheap) lifetime PRO licence and I couldn’t be more satisfied with the plugin, none of the other plugin that I’ve tested come close. You can choose one of already nice default filter/
WP Ultimate Post Grid Reviews
Great plugin and great support
Great features even in the free version! And incredibly fast support!Thank you for this plugin, Brecht.
Best highly customizable portfolio filter grid that we found
Our group created a website with multi-stage filters, that links to various NGOs for donation. We needed a filter category for “topic”, “location” and “tax deduction”. Surprisingly, most filterable po
Great plugin, great support
A flexible, customisable filter grid for posts and CPTs, it’s very good. Great out of the box but if you want to customise it and have some CSS/dev knowledge it’s quite easy. A recent issue I had with
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.