Refgrow

Cello vs Rewardful

Which affiliate platform is right for your SaaS? We compare features, pricing, and integrations — then show you a third option.

Quick Comparison

Cello

~2% of affiliate-generated revenue

Strengths

  • PLG SaaS in-product referral SDK
  • Strong technical integration
  • Modern developer experience
  • Native in-app UX

Weaknesses

  • Success-based pricing scales with revenue
  • Stripe-leaning
  • Limited multi-tier
  • Newer platform

Rewardful

From $49/mo (up to 9% transaction fees)

Strengths

  • Clean modern UI
  • Strong Stripe integration
  • Affiliate portal included
  • Solid documentation

Weaknesses

  • Stripe-only
  • Up to 9% transaction fees on lower plans
  • Revenue caps on lower tiers
  • External portal, no embedded widget

Consider a third option: Refgrow

Cello and Rewardful each have their merits, but Refgrow solves the limitations of each.

$29/mo, 0% fees

More affordable than both. No transaction fees, no revenue limits, no enterprise contracts.

Embedded widget

Unlike Cello and Rewardful, Refgrow embeds directly inside your product. No external portals.

5 payment providers

Stripe, Paddle, LemonSqueezy, Polar, and Dodo Payments — more than either competitor.

Try Refgrow free for 14 days →

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Frequently Asked Questions

Which has lower fees?

Depends. Rewardful's transaction fees can hit 9%; Cello's success fee is 2%. At low volume Rewardful's higher fee dominates; at high volume both can become expensive.

Which embeds better in-app?

Cello — its SDK is purpose-built for in-product referral flows. Rewardful uses an external portal model.

Which is easier for non-developers?

Rewardful — no SDK integration required. Cello expects engineering involvement.

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Cello vs Rewardful: SaaS Referral Software Compared