How to Integrate Google Play In-App Purchases Using RevenueCat

Implementing in-app purchases (IAP) in Android apps can be complex and time-consuming. Fortunately, **RevenueCat **simplifies this process by managing subscriptions, purchases, and entitlements seamlessly. In this article, I’ll walk you through the exact steps to integrate Google Play in-app purchases using RevenueCat, so you can add premium features and monetize your app quickly and confidently.

Step 1: Set Up Your RevenueCat Project

1. Create a New Project
   Go to RevenueCat and create a new project. Choose Android if your app is on the Google Play Store.

2. Create an Offering
   Navigate to the Product Catalog section and create a new Offering.

• Set a clear Identifier and Display Name (e.g., default, Default Offering).
• Attach an Entitlement to this Offering.
• Set the product type as Non-Consumable for one-time purchases or Subscription if applicable.

1. Add Products
   Go to the Products tab and create a new product. Choose your app (Android), then add your product identifier.

2. Create Entitlements
   Under the Entitlements tab, create a new entitlement.

• Set an Identifier that matches what you will use in your app code (e.g., pro).
• Set a user-friendly Display Name.
• Attach your product to this entitlement.

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Step 2: Configure Your Android Project

1. Add Billing Permission In your app’s AndroidManifest.xml, add the following permission to enable billing:

<uses-permission android:name="com.android.vending.BILLING" />

1. Build and Upload Your App Generate an .aab file and upload it to Google Play Console’s Internal Testing track to test purchases before public release.

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Step 3: Set Up Google Play Console Products

1. Open your app project in Google Play Console.

2. Navigate to Monetize with Play → Products → One-time products.

3. Create a new one-time product:

• Enter Product Name and Product ID (must match RevenueCat’s product ID).
• Add Tags if needed.
• Select countries and set your pricing.
• Save the product.

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Step 4: Configure Google Cloud for API Access

1. In Google Cloud Console, create a new project.

2. Go to APIs & Services → Library and enable:

• Cloud Pub/Sub API
• Google Play Android Developer API

1. Create a Service Account:

• Assign the role Service Account User.
• Generate a JSON key and download it.

1. Upload the JSON key in your RevenueCat project settings under Google Play service account credentials.

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Step 5: Grant Permissions in Google Play Console

1. Go to Users and Permissions.

2. Click Invite User and enter the Service Account’s email (from Google Cloud).

3. Assign the following permissions:

• Account permissions → View app information
• Financial data → View financial data
• Orders → Manage orders and subscriptions

1. Add your app to the user’s accessible apps and send the invitation.

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Step 6: Implement RevenueCat SDK in Your App

1. Install RevenueCat’s React Native SDK:

npm install react-native-purchases

1. Configure RevenueCat with your API key from the dashboard:

import Purchases from 'react-native-purchases';
import { useEffect } from 'react';

useEffect(() => {
  Purchases.configure({ apiKey: 'YOUR_REVENUECAT_API_KEY' });
}, []);

1. Fetch offerings and handle purchase flow as per RevenueCat’s docs.

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Final Thoughts

By following these steps, you can smoothly integrate Google Play in-app purchases into your Android app using RevenueCat. This setup handles product management, purchase validation, and entitlement unlocking, allowing you to focus on delivering great content and features.

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I hope this guide helped you confidently integrate Google Play In-App Purchases using RevenueCat. For more tutorials, tips, and hands-on guides, feel free to connect with me:

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