List of talks I've given

🎙️ Here' a collection of my talks and podcast appearances. Discussions on React, React Native, cutting-edge UI design, and open innovation.

Conferences

How to make money with your Flutter app

FlutterKaigi 2025

Building apps with Flutter is fun — but turning those apps into money making ones can feel confusing. In this talk, we'll break down the most effective ways to monetize your Flutter apps using subscriptions, in-app purchases (IAPs), and ads. This session focuses on practical strategies backed by real-world data from RevenueCat, the leading subscription platform for mobile apps. You'll see how Flutter apps perform across different monetization models, including benchmarks like average conversion rates and churn. Then we'll jump into a live, step-by-step demo showing how to integrate subscriptions and ads into a Flutter app in just a few minutes.

Monetize your Android app the right way

Droidcon London 2025

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.

Why React Native apps make all the money

React Conf 2025

Ready to take your app from passion project to profit? In this session, I break down the entire in-app purchase flow - from setting up products in the App Store and Google Play, to integrating purchases seamlessly into your codebase.

Monetize your Android app the right way

Droidcon Berlin 2025

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.

Making Money With Your React Native App

App.JS Conf 2025

In this talk, I'll discuss how to monetize your React Native app using in-app purchases. It covers how Play Store and App Store work, how to set up your app for in-app purchases, and how to implement them in your app.

3D graphics in React & React Native using React-three-fiber

CityJS London 2025

3D experiences are awesome, but they can feel a bit intimidating, especially for regular web developers. In this talk, I’ll show you that building 3D graphics doesn’t have to be hard, even if you’re just starting out. I’ll focus on how to get 3D graphics running on both web and mobile apps. You don���t need to be an experienced developer—the very basics of React will be enough to get started.

Making Money With Your React Native App

RNLConf 2024

In this talk, I'll discuss how to monetize your React Native app using in-app purchases. It covers how Play Store and App Store work, how to set up your app for in-app purchases, and how to implement them in your app.

React and WebRTC - Real-time communication on mobile

RTC.ON 2024

In this talk, I will explore the process of building a mobile app capable of audio and video streaming using React Native and react-native-webrtc, with a focus on the unique challenges and considerations involved.

3D Experiences in React Native With Expo-GL

Chain React 2024

In this talk, I'll show you how to create 3D experiences in React Native using Expo-GL. We'll go through the basics of 3D graphics, how to use Expo-GL, and how to create a 3D experience in React Native.

Building Cross-Platform Component Libraries For Web And Native With React

React Advanced 2021

Building products for multiple platforms such as web and mobile often requires separate code-based despite most of the components being identical in look and feel. Is there a way where we could use shared React component library on different platforms and save time? In this presentation I'll demonstrate one way to build truly cross-platform component library with a unique approach of using React & React Native in combination.

Successful Rapid Prototyping With React Native

React Day Berlin 2019

React Native is the best framework for rapid prototyping. In this lightning talk, I present a case study of how React Native was used to build three successful mobile prototypes, what tools we used to measure the effectiveness of those prototypes, and how React Native allowed us to test our product hypotheses faster

Fundamentals of Open Innovation

Teede Tehnoloogiakonverents 2018

My talk on open innovation, hackathons, and how to build a successful business around them.

Workshops

Live dev support: integrate RevenueCat in your Bolt app, fast

Bolt Hackathon, June 2025

Need a hand adding RevenueCat to your Bolt-built app? Join me for two live support sessions during the Bolt Hackathon. Bring your blockers, ask anything, and ship your in-app purchases with confidence. We'll cover adding IAP in minutes with the RevenueCat SDK and RevenueCat Paywalls, debug live with screen sharing, and optimize for the $25K Bolt Hackathon prize.

Add subscriptions to your React Native app in 20 minutes

Frontend Queens, May 2025

Ready to take your app from passion project to profit? In this session, I break down the entire in-app purchase flow - from setting up products in the App Store and Google Play, to integrating purchases seamlessly into your codebase. Learn how in-app purchases work on iOS and Android, how to set up products and subscriptions, and best practices for React Native integration using RevenueCat.

Pitches

Nyxo @ TechCrunch Disrupt Berlin

TechCrunch Disrupt Berlin Startup Battlefield

Nyxo is a sleep coaching app that helps you sleep better. This is our pitch and demo from the TechCrunch Disrupt Berlin Startup Battlefield.

Kaara Hackathon Pitch

TechCrunch Vivatech Paris 2018

A hackathon concept that ended up winning the main price. Me pitching the idea.

Podcasts

RNR 167: Rapid Prototyping with Perttu Lähteenlahti

React Native Radio, May 2020

Perttu walks us through the essential components for how to rapidly prototype React Native apps. We talk about building fast, delivering fast, and measuring everything.