Yes, both BackFeed+ and Small Improvements offer a Free Trial.
BackFeed+ is designed for Large Enterprises, Medium Business and Small Business.
Small Improvements is designed for Individuals and Small Business.
Pricing for BackFeed+ Starts at $19.99/User/Month whereas for Small Improvements Starts at $5/User/Month.
Some top alternatives to BackFeed+ includes 15Five, Synergita, Small Improvements, Performance Pro, Clear Review, BullseyeEngagement, easyfeedback, Performly, viRTF, Tap My Back and Leapsome.
Some top alternatives to Small Improvements includes Lattice, Synergita, PerformYard, PeopleGoal, Performance Culture, Performance Pro, Chairlift, PerformanceHub, 10xPerformance, Teamflect, Performly and Leapsome.