Yes, both ProveSource and WPfomify offer a Free Trial.
ProveSource is designed for Large Enterprises, Medium Business and Small Business.
WPfomify is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ProveSource Starts at $18/Month when Billed Yearly whereas for WPfomify Starts at $99/Year.
Some top alternatives to ProveSource includes Fomo, Proof, JustProof, Conversion Plus, Super Social Proof, Sooproof, Social Proofy, Trustpulse, Proofly and Prooven.io.
Some top alternatives to WPfomify includes Fomo, Proof, ProofSky, Fizfy, JustProof, Super Social Proof, Sooproof, Social Proofy, Proofly and SocialProof.