
SubClub by RevenueCat
Churn, Retention Wins, and Smart Product Bets
Apr 2025·YouTube
About This Episode
Sat down with David Barnard to talk about the math behind subscription growth — how to estimate ROI before building features, calculate your growth ceiling from churn, and why you should iterate 3-4 times on features instead of abandoning them. The core idea: your sprints must pay for themselves.
Watch on YouTube →Topics Covered
- •Estimating project ROI before building ($40-50K per sprint)
- •Growth ceiling math: new users ÷ churn rate
- •Why reducing churn by half doubles customer lifetime
- •High-ROI optimization areas (checkout, onboarding)
- •Why copying competitor features usually fails
- •Problem longevity as a predictor of retention
- •Iterating 3-4x on features vs. abandoning after v1
Want me on your show?
I love talking about subscription business strategy. Get in touch if you'd like to have me as a guest.
hello@subscriptionindex.com