Yes, both ProofSky and Prooven.io offer a Free Trial.
ProofSky is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Prooven.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ProofSky Starts at $7.50/Month when Billed Yearly whereas for Prooven.io Starts at $9/Month.
Some top alternatives to ProofSky includes Fomo, Proof, Konverto, Social Oracle, Super Social Proof, Sooproof, Social Proofy, Proofly, SocialProof and Acalytica Social Proof.
Some top alternatives to Prooven.io includes Fomo, Proof, SuperProof, Super Social Proof, Sooproof, Evidence, Social Proofy, WiserNotify, Proofly and SocialProof.