Neither GatherUp nor ReviewRev offers a free trial.
GatherUp is designed for Large Enterprises, Medium Business and Small Business.
ReviewRev is designed for Individuals, Medium Business and Small Business.
Pricing for GatherUp Starts at $75/Month whereas for ReviewRev Starts at $10/User/Month.
Some top alternatives to GatherUp includes ReviewBuzz, Reputation Desk, Reputation.com, Critique, Guestmeter, FreshReview, Rize Reviews, Reputation Studio, ReviewRev and ReviewGain.
Some top alternatives to ReviewRev includes ReviewBuzz, Reputation Desk, Reputation.com, Review Tool, Review Showcase, Revi, Revbay, TrueReview, Reputation Studio and ReviewGain.