Yes, both AddSearch and Needl offer a Free Trial.
AddSearch is designed for Large Enterprises, Medium Business and Small Business.
Needl is designed for Large Enterprises, Medium Business and Small Business.
Pricing for AddSearch Starts at $25/Month when Billed Yearly whereas for Needl Starts at $10/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 Needl includes and undefined.