Yes, both Reviewflowz and Grab Your Reviews offer a Free Trial.
Reviewflowz is designed for Large Enterprises, Medium Business and Small Business.
Grab Your Reviews is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Reviewflowz Starts at $4.99/Month whereas for Grab Your Reviews Starts at $23.17/Month when Billed Yearly.
Some top alternatives to Reviewflowz includes Review Showcase, Revi, FreshReview, TrueReview, AppReviewBot, ReviewsCollect, ReviewRev, Qualified, Grab Your Reviews, Workvivo and IFTTT.
Some top alternatives to Grab Your Reviews includes ReviewBuzz, Reputation Desk, Trustpilot, Critique, Review Showcase, Reputation Studio, ReviewRev, Get Review, Reeview and ReviewGain.