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Context
Snacc is a food ordering app by Swiggy. To incentivize users to refer friends, the app uses a milestone tracker that shows referral progress. Users can see how many friends they’ve invited and how many more they need to unlock the next reward tier — creating a clear goal to work toward.
Why This Works
Milestone-based referral tracking leverages the goal-gradient effect — people try harder as they get closer to the finish line. It works because (1) Visual progress tracking makes the referral goal tangible and achievable, (2) Tiered rewards at each milestone create multiple moments of satisfaction rather than a single all-or-nothing goal, (3) It turns a one-time “invite a friend” ask into an ongoing engagement mechanic.
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