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I have an AI sports-results prediction app that is ready for public release, and now I need seamless in-app subscription handling on both Google Play and Apple App Store. The core product is already built; your task is to wire up the recurring billing so users can unlock the premium prediction feed inside the app. What I need from you • Set up in-app purchases and auto-renewable subscriptions in Google Play Console and App Store Connect. • Implement the client-side purchase flow in my existing Flutter codebase (I’m using the latest stable build), handle upgrades, downgrades, and cancellations, and surface any edge-case errors cleanly to the user. • Configure the server-side receipt validation and subscription status checks (Firebase Cloud Functions are in place, but I’m open to another lightweight Node or Python service if you prefer). • Make sure pricing tiers, free-trial logic, and introductory offers are in sync across both stores. • Supply clear, commented code plus a one-page handover guide so I can update products or prices later without diving back into the code. Acceptance criteria 1. Test accounts on Android and iOS can subscribe, cancel, and resubscribe without manual intervention. 2. Premium content (the sports-prediction feed) locks/unlocks instantly according to the server-verified subscription status. 3. Store review guidelines for payments are fully met and the builds pass internal review in both consoles. 4. Code builds cleanly and all new logic is covered by unit tests or a Postman collection for server endpoints. If you have shipped cross-platform in-app subscriptions before, especially for prediction or data-driven apps, I’d love to see a quick note on your preferred validation stack.
Projekt-ID: 40252422
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49 Freelancer bieten im Durchschnitt $45 USD für diesen Auftrag

Hello, As an accomplished mobile app developer with vast expertise in cross-platform app development, you can trust me to deliver top-notch work on your Dual-Platform Subscription Integration project. I understand the delicate nature of ensuring users have a seamless experience when purchasing your premium content subscriptions, and I'm ready to tackle all aspects involved. My experience in Google Play Console and App Store Connect will expedite the process and ensure all store review guidelines are met in time for internal review. One of my strengths lies in my proficiency with Flutter, which is the latest stable build you're using for your app. This puts me in a unique position to flawlessly implement the client-side purchase flow, handle all subscription-related transitions, and provide subtle error-handling mechanisms for any edge-case scenarios. Rest assured, I'll make sure pricing tiers, free-trial logic, introductory offers and all other related components sync perfectly across both app stores. Moreover, my ability to develop clean, well-commented code alongside a comprehensive handover guide means you will be able to modify your products or prices easily without diving back into the codebase. Additionally, I have extensive experience working with Firebase Cloud Functions that would enable us to effortlessly set up server-side receipt validation and subscription status checks. Let’s transform your app into an even better exp Thanks!
$30 USD in 1 Tag
6,7
6,7

Having robust experience in mobile app development, my team and I at Einnovention understand the potential challenges linked to your project, be it in dealing with recurring billing, server-side receipt validation, or maintaining consistency across different platforms. Committed to producing the best possible results, we'll ensure that your in-app subscriptions are set up accurately on both Google Play Store and Apple App Store, so that users can effortlessly unlock the premium features of your AI sports-results prediction application. Furthermore, being proficient in Python, we're well-versed with Firebase Cloud Functions and can effectively configure them for receipt validation and subscription status checks. Should you prefer an alternative lightweight Node or Python service, we are open and adaptable. Moreover, our dedication to clean coding practices is reflected in our thorough testing methodologies including unit tests or a Postman collection for sever-endpoints ensuring all new logic is thoroughly vetted.
$20 USD in 7 Tagen
6,3
6,3

Hello, client I'm Denis Redzepovic, an experienced developer skilled in Node.js, Software Documentation, Python, App Store Optimization, Mobile App Development, React Native, iPhone and Objective C. I specialize in building high-performance, scalable, and visually appealing applications that deliver smooth functionality and a seamless user experience. Whether you need full app development, UI/UX improvements, API integrations, or performance optimizations, I can provide a tailored solution that fits your needs. I focus on clean, maintainable code with responsive UI, smooth animations, robust state management, and seamless API integration. My approach ensures scalable architecture and pixel-perfect design, delivering consistent performance across Android and iOS platforms. With cross-platform efficiency and attention to detail, I’m confident I can add strong value to your project. I’d love to discuss your requirements and find the best approach to bring your vision to life. Thanks, Denis
$30 USD in 1 Tag
6,0
6,0

Hello, I can integrate cross-platform subscriptions for your Flutter app on both Google Play and Apple App Store. I’ll set up products in both consoles, implement the client-side purchase flow, and handle server-side receipt validation (Firebase Functions or Node/Python). Pricing tiers, trials, upgrades/downgrades, and cancellations will stay in sync, with instant premium unlocks and clean error handling. I’ve shipped Flutter IAP subscriptions before and will deliver commented code + a short handover guide. Ready to start and share my preferred validation stack.
$30 USD in 5 Tagen
5,6
5,6

Having worked on numerous mobile app development projects, including those involving subscriptions and in-app purchases on both the App Store and Google Play, I am confident in my ability to seamlessly integrate the billing functionality you require for your AI sports-result prediction app. My extensive experience with Flutter, Node.js, and Python guarantees that the client-side purchase flow will be smoothly implemented in your existing codebase, with a keen focus on accommodating upgrades, downgrades, and cancellations. The crucial task of setting up server-side receipt validation and subscription status checks is one I'm proficient at. Whether we continue using Firebase Cloud Functions or opt for a more lightweight alternative such as Node or Python service, I assure you it will be flawlessly done. Furthermore, as your pricing tiers, free-trial logic, and introductory offers need to mirror each other across platforms, my commitment to clean coding and thorough documentation will come in handy - enabling future updates without requiring an arduous search through lines of code. Let's get started!
$30 USD in 1 Tag
5,0
5,0

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project. I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$20 USD in 7 Tagen
5,0
5,0

Hi there, I understand you need production-grade, cross-platform auto-renewing subscriptions wired into your Flutter app and backend so premium prediction feeds unlock instantly, I'm confident I can deliver this end-to-end and meet your acceptance criteria. - Configure App Store Connect & Google Play Console subscriptions, pricing tiers, free-trials and introductory offers - Implement client-side purchase flow in your Flutter code (handle upgrades, downgrades, cancels, edge-case errors) with unit tests - Implement server-side receipt validation and subscription status checks (Firebase Cloud Functions or lightweight Node/Python service), plus Postman collection - Provide commented code, one-page handover guide and store-review checklist Skills: ✅ Flutter (latest stable) ✅ Firebase Cloud Functions ✅ receipt validation ✅ Node.js / Python server integration ✅ server-verified subscription status / security ✅ App Store & Play Console configuration Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I can start immediately and deliver within the agreed timeframe. Do you already have product IDs/SKUs and sandbox test accounts for both Apple and Google, or should I create and configure them? Best regards,
$120 USD in 1 Tag
4,3
4,3

Hello, I CAN DO THIS. I have 6.5+ years of experience in this field. Let's connect and discuss more about your requirements. Thank you.
$150 USD in 10 Tagen
4,4
4,4

Hi, I’m excited about the opportunity to work on the subscription integration for your AI sports-results prediction app. With extensive experience in setting up in-app purchases and handling auto-renewable subscriptions on both Google Play and the App Store, I can ensure a seamless billing process for your users. I’ve successfully implemented similar features in Flutter applications, managing subscription flows while ensuring robust error handling and user experience. My familiarity with both Firebase Cloud Functions and other lightweight server solutions allows me to implement the necessary receipt validation effectively. I will ensure that your pricing tiers and free trial logic are consistent across both platforms and deliver well-documented code along with a comprehensive handover guide. I propose a timeline of 7-10 days for this integration to ensure thorough testing and quality assurance.
$30 USD in 2 Tagen
4,0
4,0

Please come over chat and discuss your requirement in a detailed way.
$30 USD in 1 Tag
3,2
3,2

Hello, I will implement seamless in-app subscription handling for your AI sports-results prediction app on both Google Play and the Apple App Store. I have successfully integrated in-app purchases for similar data-driven applications. My experience ensures a reliable setup tailored to your specific needs. **Implementation Approach:** - Set up auto-renewable subscriptions in Google Play Console and App Store Connect. - Implement the purchase flow in your Flutter codebase, handling upgrades, downgrades, and cancellations. - Configure server-side receipt validation and subscription checks, leveraging Firebase Cloud Functions or a lightweight Node/Python service. - Ensure pricing tiers, free-trial logic, and introductory offers are consistent across both platforms. - Provide clear, commented code and a concise handover guide for future updates. **Key Questions:** - What specific pricing tiers and trial durations do you envision? - Are there any particular edge cases you want to ensure handling for? - Do you have preferred analytics for monitoring subscription metrics? I’m ready to start immediately. Let’s ensure your app launches smoothly with robust subscription management.
$30 USD in 7 Tagen
3,1
3,1

I understand that you need to implement seamless in-app subscription handling for your AI sports-results prediction app on both Google Play and the Apple App Store. This includes setting up in-app purchases, managing the client-side purchase flow in Flutter, and ensuring server-side
$11 USD in 7 Tagen
2,4
2,4

Hello, I’m a full-stack developer with extensive experience across **Flutter in-app subscriptions (Google Play Billing & Apple StoreKit), Node.js/Python backend services, Firebase Cloud Functions, receipt validation, and cross-platform subscription lifecycle handling**. I’ve implemented auto-renewable subscriptions with server-side validation, handling upgrades, downgrades, grace periods, cancellations, and real-time entitlement syncing. For your app, I would configure products in both consoles, integrate Flutter’s purchase flow cleanly, and implement secure server-side receipt validation (my preferred stack is Firebase Functions + store verification APIs for real-time status checks). Premium content will lock/unlock instantly based on verified subscription state, with proper webhook handling for renewals and cancellations. I’ll also provide clean, documented code and a short handover guide so you can manage pricing and tiers independently. I’m confident we can make the subscription flow seamless across both platforms and pass store review without friction. Best regards, Carlos
$10 USD in 4 Tagen
2,6
2,6

Hi Mate , Good morning! I am professional mobile coder with skills including Node.js, Python, iPhone, Mobile App Development, Objective C, React Native, Software Documentation and App Store Optimization. Please send a message to discuss more regarding this project. Thanks & Regards
$300 USD in 1 Tag
1,9
1,9

Hello, I will implement auto-renewable subscriptions in your Flutter app, configuring both Google Play and App Store with a smooth client-side purchase flow and proper handling of upgrades, cancellations, and edge cases. Premium content will unlock instantly based on verified subscription status. I will set up secure server-side receipt validation using Firebase Cloud Functions or a lightweight Node/Python service, ensuring synced pricing, free trials, and full store compliance. I focus on clean, production-ready payment integrations with clear documentation and reliable cross-platform subscription logic.
$10 USD in 3 Tagen
1,0
1,0

Hi there, I understand you need a rock-solid, cross-platform in-app subscription flow for your AI sports-prediction app that works flawlessly on Google Play and App Store while keeping pricing, trials, and upgrades in sync. I’ve spent the last 4 years solving exactly this type of problem, delivering secure client-side IAP flows in Flutter, robust server-side receipt validation, and smooth upsell/downgrade/cancellation handling across stores. Here’s how I’ll approach it: 1) Implement the Flutter in-app purchase flow using the latest stable Flutter tooling with a clean separation between purchase UI, store interactions, and edge-case error handling, including proper upgrade/downgrade/cancellation paths. 2) Align Google Play and App Store pricing, free trials, and introductory offers in a single source of truth and expose a simple developer handover to update products later. 3) Set up server-side validation and subscription status checks using Firebase Cloud Functions (or a lightweight Node/Python service if you prefer), delegating validation to store-specific receipts and caching status for instant unlocks. 4) Surface subscription state to the app in real-time via a robust status-check flow, so premium content unlocks instantly after server verification. 5) Deliver thoroughly documented, commented code and a one-page handover guide for product management, with unit tests and/or a Postman collection to cover endpoints. I’ll ensure acceptance criteria are met, including test acco
$25 USD in 1 Tag
1,2
1,2

Hi , Your Objective C, Node.js, iPhone, Python, React Native, Mobile App Development, App Store Optimization and Software Documentation project stood out, it shows you value precision and real results. That’s exactly what I deliver. I don’t use templates. Every project has its own psychology, and success comes from understanding your intention before execution. Why clients choose me: Simplify complexity, deliver clarity. Creative data driven execution. Clear updates, early results. Work that makes you look great. My approach: Understand your vision. Build a focused action plan. Execute with full transparency. Portfolio: https://www.freelancer.com/u/muhammadfaizanh4 Each project shows results backed by strategy. Even a quick 5 minute chat can reveal how we’ll achieve measurable impact together. Let’s make your Objective C, Node.js, iPhone, Python, React Native, Mobile App Development, App Store Optimization and Software Documentation project remarkable. Faizan Your Trusted Partner in Smart Execution
$10 USD in 6 Tagen
0,0
0,0

Hello, As a seasoned developer with expertise in AI-integrated Android and iOS applications, I understand the intricacies of integrating subscription services across dual-platform when it comes to payment handling. My name is Le Thanh and I have had the pleasure of turning ideas into production-ready mobile products for startups, SaaS founders, and growing businesses just like yours for years. I am familiar with setting up in-app purchases on both Google Play Console and Apple App Store and driving the development of an effortlessly smooth purchasing experience for your users. In terms of implementation, my proficiency in Flutter and backend development will come into play as I'll handle the client-side purchase flow cleanly ensuring an upgrade, downgrade or cancellation are executed successfully leaving no room for errors. Integration wise, I am more than comfortable configuring server-side receipt validation and implementing a subscription status check ensuring your pricing tiers, free-trial logic, and introductory offers are perfectly synchronized across both stores. In addition to building clean Flutter apps, scaling backend APIs, it's worth mentioning that I am well-versed with Firebase Cloud Functions, which could be your lightweight yet efficient service option. Furthermore, unit-testing newly developed logic or creating Postman collection for server endpoints will be sacrosanct to me - vital elements needed to ensure your a Thanks!
$10 USD in 5 Tagen
0,0
0,0

Hello! As a seasoned Full Stack Developer with a focus on mobile app development, I believe my skill set is an ideal match for your Dual-Platform Subscription Integration project. I have extensive experience working with Android and iOS platforms, including setting up in-app purchases and auto-renewable subscriptions. My deep understanding of Flutter codebase will ensure efficient handling of upgrades, downgrades, cancellations, and any edge-case errors that may arise. Moreover, my proficiency in working with Firebase Cloud Functions, Node.js and Python as lightweight server-side solutions aligns well with your preference for a streamlined system. Over the years, I have honed my skills in synchronizing pricing tiers, integrating free-trial logic, and managing introductory offers across multiple platforms. With me onboard, you can be assured of pricing consistency and seamless premium content unlocking based on server-verified subscription status. Thanks Manoj
$30 USD in 2 Tagen
0,0
0,0

Hello You need cross-platform auto-renewable subscriptions wired into your Flutter app, with clean client purchase flows and server-side receipt validation so premium predictions unlock instantly and stay in sync on both stores. I’ve implemented Google Play + App Store subscriptions in Flutter using in_app_purchase, with Firebase/Node receipt validation and real-time entitlement checks. I would configure products in both consoles, implement upgrade/downgrade handling in Flutter, validate receipts server-side (Google Play Developer API + App Store Server API), store canonical subscription state in Firestore/Postgres, and gate premium feed strictly from server-verified status. Preferred validation stack: server-side verification via Firebase Cloud Functions (Node) with webhook handling for renewals/cancellations. Are you already using Firebase Authentication to tie subscriptions to user IDs? Best, David
$30 USD in 2 Tagen
0,0
0,0

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