Yes, both Zevi and Sajari offer a Free Trial.
Zevi is designed for Large Enterprises, Medium Business and Small Business.
Sajari is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zevi Starts at $1/Month whereas for Sajari Starts at $79/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 Sajari includes 3RDi Search, Site Search 360, Swiftype Search, AddSearch, Algolia Site Search, Searchanise, Searchbar, YesPlz, SEOcrawl and Lookin.