Best free Search and filters Shopify apps in 2026 [Updated]

The Best Free Shopify search and filter apps help merchants deliver exactly what customers are looking for. From AI-powered instant search to smart collection filters, these tools make product discovery seamless. Whether you need year-make-model search for auto parts, blog post filtering, or advanced product filtering with custom UI, these free apps offer essential features to improve the shopping experience and help customers find relevant items faster.