RevenueCat author Jaewoong Eum

Author’s posts

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  Google Play’s billion-dollar billing leak: How to recover the subscribers you’re losing to payment failures

  • Growth

  A third of your Google Play cancellations aren't real churn – here's how to get them back

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  Kotlin Coroutine bridges: converting any callback-based Android API to suspend functions

  • Engineering

  This article explores the suspendCoroutine bridge pattern, showing how to convert callback APIs into clean suspend functions, handle diverse callback shapes, design proper error propagation, and how SDKs like RevenueCat apply it at scale.

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  The Android paywall conversion gap: why the problem isn’t your trial, it’s your funnel entrance

  • Engineering
  • Growth

  This article breaks down the Android paywall funnel, including where users drop off and how subscription options are actually selected.

• 

  Firebender now supports RevenueCat MCP and OAuth

  • Company
  • Engineering

  In this article, you'll explore how Firebender integrates with RevenueCat's MCP server, including how OAuth sign-in establishes the connection.

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  What Google Play’s new merchandising and optimization page means for Android developers

  • Engineering

  In this article, you'll explore what the three existing out of app merchandizing features are and how they work, what Google Play is changing by unifying them into the new Merchandizing and optimization page.

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  Meet the AI agent that creates paywalls, writes code, and tracks revenue in your Android Studio

  • Engineering

  In this article, you'll explore the key features of the RevenueCat IntelliJ Plugin, including AI paywall generation, and analyze charts.

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  Cross-platform subscription state: sharing entitlements between Android and iOS

  • Engineering

  In this article, you'll explore why cross platform subscription state is so difficult to implement, examine the fundamental incompatibilities between Google Play Billing and StoreKit.

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  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.

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  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.

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  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.

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  Understanding Google Play’s subscription lifecycle: a complete guide

  • Engineering

  You will break down the complete Google Play subscription lifecycle in depth.