Boost AI Search & Filter is a highly rated Shopify app designed to enhance e-commerce search and filtering capabilities. It utilizes AI and semantic search to deliver fast and relevant results, helping to improve the shopping experience and increase conversions. The app features a range of tools including custom product filters, visual merchandising, and insightful analytics. Pricing starts with a free plan for basic use, with more advanced features available in paid plans starting at $19 per month.