Yes, both Offsi and Supermetrics offer a Free Trial.
Offsi is designed for Medium Business and Small Business.
Supermetrics is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Offsi Starts at $99/Month whereas for Supermetrics Starts at $69/User/Month when Billed Yearly.
Some top alternatives to Offsi includes Qualified, Workvivo, OneSaaS, IFTTT, Voicea, ScreenScape, Supermetrics, Online Check Writer, myPOS, Drag and Ecanvasser.
Some top alternatives to Supermetrics includes Searchmetrics, Shortlist Metrics, Mainmetrics, Datorama, Adverity, Power My Analytics, Funnel, Qualified, Analytics Canvas, Workvivo, Metricscreen and OneMetric.io.