Yes, both Ek Link and RedTrack.io offer a Free Trial.
Ek Link is designed for Medium Business and Small Business.
RedTrack.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Ek Link Starts at $5/Month whereas for RedTrack.io Starts at $1,119 when Billed Monthly.
Some top alternatives to Ek Link includes TrackingDesk, Everflow, RedTrack.io, Refersion, Affiliatise, OffersHub, Offer18, Affiliatics and Trackdesk.
Some top alternatives to RedTrack.io includes Retargeting.biz, AffTrack, Post Affiliate Pro, TrackingDesk, Refersion, AnyTrack, ClickGum, QlickTrack, Trakaff and Trackdesk.