If you're looking for a Rapid Search alternative, Searchspring is another good option. It also employs AI and machine learning to boost search, merchandising and personalization so customers can find what they want and do it more effectively. Searchspring's features include AI site search, scalable merchandising and personalized product recommendations to help you lower bounce rates and improve the customer journey.
Another good option is Klevu, which can boost conversions with advanced search, merchandising and product recommendation tools. Klevu offers features like predictive autocomplete, personalized product recommendations and category merchandising. It works on multiple e-commerce platforms and has extensive documentation and 24/7 support, so it's adaptable and easy to rely on.
You could also look at Luigi's Box, an AI-powered site search and product discovery service. Luigi's Box offers personalized search results, recommender tools for upselling and cross-selling and analytics to understand what customers are doing. Its flexible integration options and track record of delivering results make it a good alternative.
Last, Fast Simon offers a range of tools for site search, merchandising, personalization and visual discovery. With features like AI merchandising, personalized customer experiences and visual search, Fast Simon helps merchants optimize site search and merchandising for better conversions and average order value.