Yes, both TellTrail and Supermetrics offer a Free Trial.
TellTrail is designed for Individuals, Medium Business and Small Business.
Supermetrics is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TellTrail Starts at $2.99/User/Month whereas for Supermetrics Starts at $69/User/Month when Billed Yearly.
Some top alternatives to TellTrail includes CipherCloud, AppOmni, Qualified, Workvivo, Sealit, Sensato Nightingale, SaaS Alerts, IFTTT, Supermetrics, Online Check Writer and Drag.
Some top alternatives to Supermetrics includes Searchmetrics, Shortlist Metrics, Mainmetrics, Datorama, Adverity, Power My Analytics, Funnel, Qualified, Analytics Canvas, Workvivo, Metricscreen and OneMetric.io.