Yes, both Offer18 and RedTrack.io offer a Free Trial.
Offer18 is designed for Large Enterprises, Medium Business and Small Business.
RedTrack.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Offer18 Starts at $49/Month whereas for RedTrack.io Starts at $1,119 when Billed Monthly.
Some top alternatives to Offer18 includes AffTrack, Post Affiliate Pro, TrackingDesk, Refersion, Affiliatise, TUNE, OffersHub, Affiliatics, Evotrack and Trackdesk.
Some top alternatives to RedTrack.io includes Retargeting.biz, AffTrack, Post Affiliate Pro, TrackingDesk, Refersion, AnyTrack, ClickGum, QlickTrack, Trakaff and Trackdesk.