About this event
Day-one momentum: Messaging that wins users (and a shot at a big prize)
Building your app is only half the battle, now it’s time to help it grow.
Join OneSignal and RevenueCat for a focused, no-fluff session on how to set up messaging strategies that drive real traction from first tap. We’ll guide you through those crucial early messaging moves that lay the groundwork for long-term growth.
Learn how to turn early users into loyal subscribers, reduce churn before it starts, and build momentum that positions your app to stand out in the $300K prize pool.
This session is perfect for teams shipping a brand-new app and looking for ways to:
✅ Trigger messaging off real user behavior using RevenueCat + OneSignal
✅ Convert more users during free trials or onboarding
✅ Prevent silent churn during your first week post-launch
We’ll also cover:
📲 How to get the right opt-ins in place (without ruining your UX)
⚙️ Lightweight, scalable setup using the OneSignal x RevenueCat integration
💬 Real examples of lifecycle + event-based messaging
🏗️ Tactics you can implement during the hackathon window (and in under a day)
Who this is for:
Hackathon participants launching new apps who want to stand out with better engagement and pick up some battle-tested messaging wins along the way.
Hosted by
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Team member
Brennan Knotts Success Manager @ RevenueCatT
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Team member
Charlie Chapman Developer Advocate @ RevenueCatT
Charlie is a Developer Advocate at RevenueCat, helping mobile app developers make more money. On top of that, he's also an indie developer with multiple Apple featured apps in the store. Charlie also hosts the Launched podcast where he interviews developers about building and launching their apps.
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Guest speaker
Joshua Hollander Head of Customer Success @ OneSignalG
Joshua Hollander is the Head of Customer Success at OneSignal, the leading customer engagement platform used by over 2 million developers and marketers. With a career spanning both Fortune 100 companies and high-growth startups, Joshua brings deep expertise in driving customer retention, revenue expansion, and scalable growth through technology and strategic enablement. He’s passionate about building customer-centric teams and leveraging data to deliver value across the entire customer journey.
RevenueCat
In-App Subscriptions Made EasyRevenueCat makes it easy to build, analyze, and grow in-app purchases and subscriptions on iOS, Android, and the web – no server code required.
