Yes, both Circlewise and Post Affiliate Pro offer a Free Trial.
Circlewise is designed for Freelancers, Medium Business and Small Business.
Post Affiliate Pro is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Circlewise Starts at $375/Month whereas for Post Affiliate Pro Starts at $129/Month.
Some top alternatives to Circlewise includes AffTrack, Post Affiliate Pro, Affiliatise, OffersHub, Affilo, Target Circle, Promocate, Affiliatics, Microsoft Azure and Sir Filiate.
Some top alternatives to Post Affiliate Pro includes Affise, AffTrack, TrackingDesk, Refersion, Affiliatise, TUNE, OffersHub, Affilo, Promocate and Affiliatics.