GrowSurf is a strong fit for product and marketing teams that want in-product referral or affiliate campaigns, fast setup, referral links, widgets, SDKs, API access, and automated reward workflows.
Genius Referrals is worth evaluating when your referral program needs a broader operations layer across program types, templates, rewards, payouts, localization, and multi-level structures.
If you are comparing GrowSurf alternatives because your referral motion is getting more complex, start with Genius Referrals.