Yes, both Fizfy and Proof offer a Free Trial.
Fizfy is designed for Large Enterprises, Medium Business and Small Business.
Proof is designed for Medium Business and Small Business.
Pricing for Fizfy Starts at $19/Month whereas for Proof Starts at $26/Month when Billed Yearly.
Some top alternatives to Fizfy includes Fomo, Proof, SuperProof, JustProof, Super Social Proof, Sooproof, Evidence, Social Proofy, Proofly and SocialProof.
Some top alternatives to Proof includes and undefined.