Yes, both Nextsale and Notipack offer a Free Trial.
Nextsale is designed for Large Enterprises, Medium Business and Small Business.
Notipack is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Nextsale Starts at $39/Month whereas for Notipack Starts at $4.99/Month.
Some top alternatives to Nextsale includes Fomo, Proof, JustProof, Social Oracle, Super Social Proof, Sooproof, Notipack, Social Proofy, Proof Pulse and Proofly.
Some top alternatives to Notipack includes Fomo, Proof, SuperProof, ProofSky, Super Social Proof, Sooproof, Social Proofy, Popify, Proofly and SocialProof.