Growth maths · Free

Referral Programme Designer

Size referral rewards against K-factor and CAC.

K-factor
0.09
Below 1 — growth still needs other channels
Cost per referred user
₹150
Saving vs paid CAC
₹250
Max affordable reward
₹200
At half your paid CAC

Every 100 users bring in about 9 more through referrals.

How to use it

  • Enter how many friends a user invites, how many join, and the reward.
  • Keep cost per referred user well under your paid CAC.

What good looks like

  • Two-sided rewards (both friends get something) convert best.
  • Cost per referred user under half your paid CAC.

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