Fernwave Turned Users Into a Growth Channel

Fernwave

2023

Growth Design, Lifecycle, Referrals

Fernwave had product-market fit but flat growth. We redesigned the referral loop, restructured lifecycle messaging around liquidity events, and built the experiment cadence that made growth a company-wide habit.

61%

Month-3 Retention

38%

Referral-Driven Signups

The challenge

Fernwave’s marketplace had great 30-day engagement and a retention cliff at day 45, right where first liquidity events should occur. Buyers and sellers received identical onboarding, referral incentives were buried three taps deep, and the team shipped growth work between feature roadmaps.

There was no experiment infrastructure — every change was a quarter-long engineering project, so most growth ideas died quietly in a backlog.

The solution

We redesigned onboarding into two liquidity-first journeys — one for buyers, one for sellers — and rebuilt referrals as a native step in the core loop with two-sided incentives that surface after the first successful transaction.

A lightweight experiment stack let the team ship and measure weekly without engineering sprints. Month-3 retention climbed to 61%, referrals now drive 38% of new signups, and the weekly growth review is the meeting nobody skips.