Charlie Chapman – RevenueCat

The Hail Mary pitch that launched a #1 App Store hit
- Growth
Bria Sullivan pitched a focus timer to Hank Green at the end of a meeting that was already over — and it hit #1 on the App Store.
Apple’s new monthly subscriptions with a 12-month commitment: useful, but probably not magic
- Engineering
A practical look at Apple’s new monthly annual subscriptions, what Google Play already supports, and where 12-month commitments might actually help.
How an email list became a 15-year safety net for a solo app developer
- Growth
Joe Allen built Teleprompter Pro without a CS degree, a marketing budget, or a plan — and it still became his full-time business.
RevenueCat Charts v3: fresher data, better decisions
- Engineering
We’ve rebuilt RevenueCat’s data infrastructure from the ground up.
Frederik Riedel expected 12%. His app cut screen time by 57%.
- Growth
On the podcast: how Frederik Riedel built one sec as a weekend prototype, accidentally triggered it 20 seconds later, and turned it into a research-backed screen time app with a proven 57% reduction. From a viral tweet with 700 followers to partnerships with Stanford, Cambridge, and three national governments — plus why he filed a US patent as an indie dev.
“Solve time, and they’ll pay you”
- Growth
On the podcast: Antoine shares how he built RocketSim from an internal tool into a thriving business, the challenges of scaling as an indie developer, and the key marketing insights that drove growth—without relying on traditional ads or influencer campaigns.
From spite-driven development to community-powered success
- Growth
On the podcast: Adrian Eves about his path from Apple’s accessibility team to indie app development, building Pediapal and Auralog from personal health challenges. We cover lessons from launching, redesigning with Liquid Glass, navigating App Store features, and how community—from iOS Dev Happy Hour to Swift Sonic—has fueled his growth.
Exit Offers in RevenueCat Paywalls
- Engineering
Everything you need to know about implementing exit offers in RevenueCat Paywalls, including the App Review gray area you can't afford to ignore
Building Helm: turning App Store pain into a product developers love
- Growth
On the podcast, I sit down with Pol and Hidde to discuss the frustrations developers face with App Store Connect, how they turned their own pain points into Helm, and why automating app launches and translations has become a game-changer for indie developers.
How Sebastian Röhl built HabitKit by sticking with what worked (and starting over when it didn’t)
- Growth
On the podcast, I talk with Sebastian about the power of building in public, how persistence pays off when growth is slow, and why focusing on user needs and iterative improvement can lead to unexpected success in indie app development.
NaadSadhana — the app that teaches classical music like a guru
- Growth
On the podcast, I talk with Sandeep about how a frustrated student’s struggle inspired him to create NaadSadhana, a revolutionary AI-driven app that helps singers perfect their pitch in real time. We dive into how his journey—from Microsoft and Google engineer to Apple Design Award-winning musician—shows what happens when art and technology truly harmonize.
Craft, Seasonality, and the Long Game
- Growth
On the podcast, I talk with Jordan about the power of seasonal business cycles, why refining your ad strategy can unlock growth, and how passion-driven apps can still find market fit without a huge marketing budget.