Jaewoong Eum – RevenueCat

How kotlinx.serialization generates code: a compiler plugin deep dive
- Engineering
In this article, you'll dive deep into the internal mechanisms of the kotlinx.serialization compiler plugin.
Handling edge cases in Google Play Billing
- Engineering
Explains how to correctly handle common edge cases in Google Play Billing, including pending purchases, ITEM_ALREADY_OWNED errors, multi-quantity consumables, subscription downgrades, and network failures.
Understanding Google Play’s subscription price changes: a complete guide
- Engineering
You will cover how to manage subscription price changes—covering opt-in vs. opt-out models, notification requirements, implementation details, and how RevenueCat helps handle the process smoothly for both new and existing subscribers.
Building animated custom Paywalls in Jetpack Compose
- Engineering
In this article, you'll explore how to build sophisticated "Day & Night" animated paywalls in Jetpack Compose.
Understanding Google Play’s subscription lifecycle: a complete guide
- Engineering
You will break down the complete Google Play subscription lifecycle in depth.
Monetize from Your IDE: AI assistant + RevenueCat MCP in the IntelliJ Plugin
- Engineering
Explore how the AI Assistant works in RevenueCat's IntelliJ plugin, what you can accomplish with it to boost your subscription revenue.
Announcing RevenueCat IntelliJ Plugin
- Engineering
We're announcing the RevenueCat IntelliJ plugin, which is a tool that integrates RevenueCat's core functionality directly into your IDE.
Google Play’s subscription with Add-ons: guide to multi-line subscriptions
- Engineering
Read on to explore what multi-line subscriptions are, discuss practical strategies for using them effectively, walk through the implementation details using the Play Billing Library directly.
Android SDK lifecycle management with Hilt dependency injection
- Engineering
In this article, you'll dive deep into SDK lifecycle management with Hilt, dependency injection library.
Simplify in-app purchase unit testing with RevenueCat’s Test Store
- Engineering
You'll deep dive into building reliable, automated unit tests for your in-app purchases logic, especially based on Android and Kotlin
Understanding the native SDK wrapper pattern in Kotlin Multiplatform
- Engineering
In this deep dive, we’ll explore how RevenueCat’s delegation pattern wraps native Android and iOS SDKs, enables effortless bidirectional conversion, and minimizes wrapper overhead.
Understanding Google Play subscription proration: a developer’s guide
- Engineering
Google Play's subscription proration system gives you fine-grained control over how users are charged when changing plans.