Yes, both Zevi and AddSearch offer a Free Trial.
Zevi is designed for Large Enterprises, Medium Business and Small Business.
AddSearch is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zevi Starts at $1/Month whereas for AddSearch Starts at $25/Month when Billed Yearly.
Some top alternatives to Zevi includes Site Search 360, Swiftype Search, AddSearch, Algolia Site Search, Elasticsearch, Sajari, Searchbar, Boost Commerce and Coveo Relevance Cloud.
Some top alternatives to AddSearch includes Site Search 360, Swiftype Search, SearchBlox Search, Algolia Site Search, Elasticsearch, Sajari, Searchanise, Searchbar, CloudSh and SEOcrawl.