Yes, both Segment and Refiner offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Refiner is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Segment Starts at $120/Month whereas for Refiner Starts at $79/Month when Billed Yearly.
Some top alternatives to Segment includes CustomerLabs CDP, BlueConic, Captain Metrics, Zylotech, Lexer, Acquia Marketing Cloud, BSI CDP, Gravito CDP and euromessage CDP.
Some top alternatives to Refiner includes SmartSurvey, SightMill, SurveySparrow, Couchsurvey, ngSurvey, Cognito Forms, Liveform, UserFace, SatisMeter, Feedlify and feedback.farm.