Flutter Developer – iOS & Android Subscription / In-App Purchase Integration

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MobileFull Stack

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Frontier is not the employer and does not collect applications.

About this role

Mobile App Development, iPhone, Android, Dart, iOS Development, Payment Gateway Integration, Flutter, Google Firebase, Mobile Development, iOS · I have an existing Flutter/Firebase mobile application that is complete and being prepared for launch on the Apple App Store and Google Play Store. I need an experienced Flutter developer to implement the app's subscription/payment infrastructure on both platforms.

Required work:

Implement monthly and annual auto-renewing subscriptions for iOS and Android Implement a configurable free trial Integrate with Apple App Store and Google Play subscription systems Add subscription/paywall and entitlement logic Handle active, trial, canceled, expired, and failed-payment/grace-period states Implement Restore Purchases Ensure subscriptions are recognized appropriately across supported devices/accounts Add a Manage Subscription option directing users to Apple/Google subscription management Ensure pricing and free-trial settings can be changed through App Store Connect and Google Play Console without requiring an app update or developer changes for normal pricing adjustments Do not hard-code subscription prices in the app; display applicable store pricing Track trial starts, paid conversions, cancellations, and expirations in analytics Test the complete purchase flow on both iOS and Android