
Cello
7.9#2 in referral marketing softwareFrom $65 a monthFree planAndroidiOSWebAPI
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Cello suits teams that want to run partner referral campaigns with referral links or codes and payout support through PayPal or Venmo. The Free, Plus, and Pro plans may fit programs sized around their campaign and transacting-partner limits; enterprise plans address larger referral or partner needs.
GrowSurf suits marketing and product teams at B2C, SaaS, or fintech companies running referral or affiliate programs. It may be a poor fit for eCommerce, retail, or service businesses, according to GrowSurf.