
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.
RiffRoff suits independent Shopify merchants who want to run referral rewards using store credit. Merchants can configure offer terms and review uncertain referral activity.