Yes, both Post Affiliate Pro and Affilo offer a Free Trial.
Post Affiliate Pro is designed for Large Enterprises, Medium Business and Small Business.
Affilo is designed for Individuals, Medium Business and Small Business.
Pricing for Post Affiliate Pro Starts at $129/Month whereas for Affilo Starts at $39/Month.
Some top alternatives to Post Affiliate Pro includes Affise, AffTrack, TrackingDesk, Refersion, Affiliatise, TUNE, OffersHub, Affilo, Promocate and Affiliatics.
Some top alternatives to Affilo includes Post Affiliate Pro, Affiliatise, TUNE, Promocate, iDevAffiliate, Affiliatics, Tapfiliate, Ambassador Referral Marketing, Sir Filiate and Affistash.