Yes, both AddSearch and Algolia Site Search offer a Free Trial.
AddSearch 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 AddSearch Starts at $25/Month when Billed Yearly whereas for Algolia Site Search Starts at $29/Month.
Some top alternatives to AddSearch includes Site Search 360, Swiftype Search, SearchBlox Search, Algolia Site Search, Elasticsearch, Sajari, Searchanise, Searchbar, CloudSh and SEOcrawl.
Some top alternatives to Algolia Site Search includes Site Search 360, Swiftype Search, Datafari, SearchBlox Search, AddSearch, Elasticsearch, Sajari, Searchanise, Searchbar and Zevi.