Contact person: Flutter App Subscription Integration - iOS In-App Purchases

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Location: Hyderabad, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need an experienced Flutter developer to wire up in-app purchases so my app can sell recurring subscriptions. We will start with two distinct plans—think “Standard” and “Pro”—and make sure the user can subscribe, restore a purchase, upgrade or downgrade seamlessly, and see the correct status reflected throughout the UI.

For the moment I’m not adding coins, gems or other consumables; subscriptions are the only product family I want live. If you’ve already shipped a Flutter app using the official in_app_purchase package (or a battle-tested alternative) on both Google Play and the App Store, you’ll feel right at home here.

Deliverables
• Integrate the two subscription SKUs in both stores, ready for review and production
• Handle purchase flow, receipt validation, and graceful error handling
• Expose callbacks or a simple service class so my existing code can query “isPremium” or “planType” at any time
• Provide test instructions with sandbox accounts for iOS and internal testing tracks for Android

Acceptance criteria
• Test transactions succeed on Android (Billing Library v6) and iOS (StoreKit 2) without crashes or missing callbacks
• Restores and plan switches correctly update entitlement status within three seconds
• Clean, well-commented Dart code committed to my Git repo and a short README covering setup steps

I’m ready to supply existing source code, product IDs and the store listings as soon as we start." (client-provided description)