Yes, both SmileBack and Client offer a Free Trial.
SmileBack is designed for Large Enterprises, Medium Business and Small Business.
Client is designed for Freelancers, Medium Business and Small Business.
Pricing for SmileBack Starts at $83/Month when Billed Yearly whereas for Client Starts at $4.99/Month when Billed Yearly.
Some top alternatives to SmileBack includes Zonka Feedback, Customer.guru, FeedbackLink, Promoter Ninja, GrowthScore, SoluCX, Thermostat, UserSpeaks, HockeyStack Surveys and SatisMeter.
Some top alternatives to Client includes SuperSaaS, SalesCRM, Client Book CRM, AllClients, oClient, Clientshare, Freshdesk Customer Success (Formely Freshsuccess), Qualified, Checkeden, Workvivo and InsightSofa.