flutter_inapp_purchase

A comprehensive Flutter plugin for implementing in-app purchases that conforms to the Open IAP specification.

What is flutter_inapp_purchase?

This is an In App Purchase plugin for Flutter. This project has been forked from react-native-iap. We are trying to share same experience of in-app-purchase in flutter as in react-native.

We will keep working on it as time goes by just like we did in react-native-iap.

Key Features

• Cross-platform: Works seamlessly on both iOS and Android
• StoreKit 2 Support: Full StoreKit 2 support for iOS 15.0+ with automatic fallback
• Billing Client v8: Latest Android Billing Client features
• Type-safe: Complete TypeScript-like support with Dart strong typing
• Comprehensive Error Handling: Detailed error codes and user-friendly messages
• Subscription Management: Advanced subscription handling and validation
• Receipt Validation: Built-in receipt validation for both platforms

What this plugin does

• Product Management: Fetch and manage consumable and non-consumable products
• Purchase Flow: Handle complete purchase workflows with proper error handling
• Subscription Support: Full subscription lifecycle management
• Receipt Validation: Validate purchases on both platforms
• Store Communication: Direct communication with App Store and Google Play
• Error Recovery: Comprehensive error handling and recovery mechanisms

Platform Support

Feature	iOS	Android
Products & Subscriptions	✅	✅
Purchase Flow	✅	✅
Receipt Validation	✅	✅
Subscription Management	✅	✅
Promotional Offers	✅	N/A
StoreKit 2	✅	N/A
Billing Client v8	N/A	✅

Version Information

• Current Version: 6.7.0
• Flutter Compatibility: Flutter 3.x+
• iOS Requirements: iOS 11.0+
• Android Requirements: API level 21+

Quick Start

Get started with flutter_inapp_purchase in minutes:

flutter pub add flutter_inapp_purchase:^6.7.0

import 'package:flutter_inapp_purchase/flutter_inapp_purchase.dart';

// Initialize connection
await FlutterInappPurchase.instance.initConnection();

// Fetch product details
final products = await FlutterInappPurchase.instance.fetchProducts(
  skus: ['product_id'],
  type: PurchaseType.inapp,
);

// Build a platform-aware purchase request
final purchaseRequest = RequestPurchase(
  ios: RequestPurchaseIOS(sku: 'product_id', quantity: 1),
  android: RequestPurchaseAndroid(skus: ['product_id']),
);

// Request purchase
await FlutterInappPurchase.instance.requestPurchase(
  request: purchaseRequest,
  type: PurchaseType.inapp,
);

// Restore active purchases (include expired iOS receipts if needed)
final purchases = await FlutterInappPurchase.instance.getAvailablePurchases(
  const PurchaseOptions(
    onlyIncludeActiveItemsIOS: true,
  ),
);

What's Next?

Getting Started

Learn how to install and configure flutter_inapp_purchase in your project.

Get Started →

Guides

Follow step-by-step guides for implementing purchases and subscriptions.

View Guides →

API Reference

Comprehensive API documentation with examples and type definitions.

API Docs →

Examples

Real-world examples and implementation patterns.

See Examples →

Community & Support

This project is maintained by hyochan.

• GitHub Issues: Report bugs and feature requests
• Discussions: Join community discussions
• Contributing: Contribute to the project

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Ready to implement in-app purchases in your Flutter app? Let's get started!