Neither ERIN nor GrowSurf offers a free trial.
ERIN is designed for Large Enterprises, Medium Business and Small Business.
GrowSurf is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ERIN Starts at $500/Month whereas for GrowSurf Starts at $775/Month.
Some top alternatives to ERIN includes RolePoint, ReferralCandy, ReferralMagic, Referral Rock, GrowSurf, Referral SaaSquatch, AppVirality, Ambassador Referral Marketing, InviteReferrals and Referral Stack.
Some top alternatives to GrowSurf includes ReferralCandy, ReferralMagic, Tapfiliate, Incentivit, Referral Rock, TrueSaaS, Referral SaaSquatch, AppVirality, Ambassador Referral Marketing, InviteReferrals and ERIN.