Yes, both Zevi and Algolia Site Search offer a Free Trial.
Zevi is designed for Large Enterprises, Medium Business and Small Business.
Algolia Site Search is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zevi Starts at $1/Month whereas for Algolia Site Search Starts at $29/Month.
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 Algolia Site Search includes Site Search 360, Swiftype Search, Datafari, SearchBlox Search, AddSearch, Elasticsearch, Sajari, Searchanise, Searchbar and Zevi.