Pricing model: IS+ has four subscription plans: Free, Essential ($149.99/month), Growth ($349.99/month), and Enterprise ($2500/month).
Pros: Instant Search + is an enterprise-level search solution with every functionality it entails.
It has a highly relevant and customizable search, allows you to create custom tags and filters, meshes well with your store's theme, has good synonyms search
and suggestions. In addition to that, it has a self-learning automatic merchandising tool
that promotes the most searched products.
Cons: Instant Search + is an enterprise-grade search solution, and its prices clearly show that. Smart Navigation and Recommendations are only available from a $349.99 plan and up. It also has restrictions on both the number of search queries per month and total products in the store (up to 40,000 products). It also saves analytics only for a time, depending on your plan, from 7 to 365 days.