Sieve vs YITH Ajax Filter
How Sieve compares to the popular WooCommerce product filter plugins.
Feature comparison overview
| Feature | Sieve | YITH Ajax Filter |
|---|---|---|
| Free version | Yes (full filtering) | Yes (limited) |
| AJAX filtering, no reload | Yes | Yes |
| Filter types (checkbox, radio, price range, search, sort) | Yes | Some free, rest premium |
| Live dependent result counts | Yes | Premium |
| Predictive search box | Yes | Premium |
| Shareable filter URLs | Yes | Premium |
| Mobile filter panel | Yes | Yes |
| Open source (GPLv2) | Yes | Core GPL |
| Paid plan price | from €29/yr | ~$99.99/yr |
Competitor data and pricing as of June 2026; check the vendors' sites for current pricing.
Why choose Sieve?
Transparent pricing
Full core features are free and open source. Paid licenses come with honest renewal rates and no hidden vendor lock-in.
Performance and CWV focus
Built without heavy external JavaScript libraries or layout shifts. Designed to keep mobile PageSpeed scores high.
Modern WooCommerce ready
Tested with High-Performance Order Storage (HPOS), Cart and Checkout Blocks, and the latest PHP versions.
Product filtering in WooCommerce: faceted search that converts
Step-by-step setup guide, architectural best practices, and store workflow recommendations.
Compare against other solutions
Frequently asked questions
How does Sieve compare to FacetWP and YITH Ajax Product Filter?
All three add AJAX product filtering. Sieve gives full filtering free and open source, while FacetWP has no free version (from $99/yr) and YITH gates presets, dependent counts and predictive search behind its premium (~$99.99/yr). Sieve PRO starts at €29/yr. Pricing as of June 2026.
Is Sieve a direct alternative to YITH Ajax Filter?
Yes. Both plugins address similar store workflows in WooCommerce. Sieve focuses on a clean open-source core, no jQuery dependency, full HPOS compatibility, and predictable pricing.
Ready to try Sieve?
Sieve lets shoppers narrow the catalogue instantly with checkboxes, ranges, search and sort, without a page reload. A product index, mobile drawer and stable result rendering help keep the storefront quick and lower CLS risk.