Yes, both Campaign Monitor and YesInsights offer a Free Trial.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
YesInsights is designed for Large Enterprises, Medium Business and Small Business.
The starting price of YesInsights begins at $20/Month, while pricing details for Campaign Monitor are unavailable.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.
Some top alternatives to YesInsights includes Zonka Feedback, FeedbackLink, Promoter Ninja, GrowthScore, Thermostat, UserSpeaks, HockeyStack Surveys, Liveform, SatisMeter and SmileBack.