Perttu Lähteenlahti
Senior Developer Advocate @ RevenueCat
Helsinki, Finland
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Perttu is a designer and software engineer, with 10 years of experience designing and building web and mobile applications. He loves hacking with technology and building things. When he’s not sitting in front of a computer, he likes to renovate apartments.
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Making React Native apps first-class citizens in iOS with App Intents
App Intents are Apple's framework for exposing your app's actions and content directly to system experiences across iOS, watchOS, and beyond. You can think of them as the MCP for iOS apps: enabling Siri, Spotlight, widgets, and system intelligence to invoke functionality inside your app. But how you add this native functionality into your app
Why React Native apps make all the money
React Native apps make more money than native and other cross-platform apps. This talk explains why, and shows how easy it is to add monetization to a React Native app.
Monetize your Android app the right way
Learn how to integrate in-app purchases into your Android app with minimal friction and maximum impact. In this talk I will explore the most effective monetization strategies from subscriptions to one-time purchases, showing you when to use each. You'll also discover key considerations around pricing, user experience, and compliance to set your app up for sustainable revenue growth.
From Hobby to Income: Unlocking App Monetisation
Monetizing a mobile application is one of the most critical and complex challenges facing developers today. Choosing the right strategy (ads, subscriptions, one-time purchases, or a hybrid model) is not purely technical—it profoundly impacts user experience, retention, and engineering effort.
This interactive unconference roundtable is a peer-driven forum for sharing real-world successes, failures, and best practices in app monetization. This session will be a place to openly discuss the hard questions and trade practical advice on topics such as:
* Subscription Fatigue: Strategies for creating genuinely valuable subscription tiers that users are willing to pay for.
* Ad Integration & UX: Balancing revenue with user experience when implementing various ad formats (interstitial, rewarded, native).
* Pricing and A/B Testing: Discussing effective approaches to price discovery, regional pricing, and testing monetisation changes.
* Tackling Fraud: Sharing techniques for dealing with piracy, ad fraud, and protecting in-app purchases.
* Legal & Technical Hurdles: Navigating Google Play billing requirements, tax implications, and implementing in-app purchases securely.
3D Experiences in React Native With Expo-GL
3D experiences are really cool, but they can seem a bit tricky, especially for regular web developers. In my talk, I'm going to show you that building 3D experiences doesn't have to be hard, even if you're just starting out. I'll be focusing on how to get 3D graphics on both web and mobile apps. No need to be an experienced developer, the very basics of React will be enough to get started. I'll show you how to use tools like React Native, Expo-GL, and React Three Fiber to build these 3D experiences, how to keep things performant, and what do you need to take into consideration to keep things working on all platforms.
Perttu Lähteenlahti
Senior Developer Advocate @ RevenueCat
Helsinki, Finland
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