Yes, both Proof and Upfunnel offer a Free Trial.
Proof is designed for Medium Business and Small Business.
Upfunnel is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Proof Starts at $26/Month when Billed Yearly whereas for Upfunnel Starts at $49/Month.
Some top alternatives to Proof includes and undefined.
Some top alternatives to Upfunnel includes Fomo, Proof, JustProof, Conversion Plus, Super Social Proof, Sooproof, Social Proofy, Proofly, SocialProof and Prooven.io.