Android App With In-App Purchases -- 2

@Rajoriadares

As an experienced Android and Kotlin developer, the opportunity to work on your project is incredibly exciting for me! My work has always focused on delivering user-friendly, secure, and high-performing apps. I have a comprehensive understanding of Google Play Billing Library and in-app purchases, having implemented them successfully in various e-commerce applications. My technical skills extend to working with both Java and Kotlin in Android Studio, which allows me flexibility in handling your project. I guarantee a neatly documented, clean Android Studio project that not only demonstrates a fully functional in-app purchase flow but also integrates natively with Google Play Billing. This will make it easy for you to incorporate my code into your larger product later on. In addition to my technical skills, I bring excellent communication and collaboration skills to the table. I believe in keeping my clients informed at every stage of development, ensuring that their vision is translated accurately into the final product. With me, you can trust that the code will be bug-free, packaged nicely with clear instructions in a README file on adding product IDs, testing and releasing the APK. Let's get our hands dirty together and create an immaculate app meeting all your requirements!

@humanspdy

Hello, At AppITron Solutions (10 years in IT solutions), we can deliver a clean Kotlin Android Studio project implementing Google Play Billing Library (BillingClient) for in-app purchases—consumables, non-consumables, and subscriptions—covering pending states, acknowledgements, error handling, and returning purchase tokens for server-side verification. Skills & trust: Flutter, React Native, React.js, Node.js, Laravel, Android, iOS; REST API, JSON, XML, PHP; SQLite, MySQL, MongoDB; Google Maps, Geolocation, GPS, Location Tracking; GitHub, Bitbucket, GitLab; strong backend architecture; applications for all devices. Do you already have product IDs in Play Console? Any specific receipt schema for verification? Should we include a basic subscription restore flow? Let’s meet to align details. Profile: https://www.freelancer.com/u/humanspdy Swati Sharma

@FreeLancers360

As part of the talented team at Nishant, Android app development is our bread and butter. We have extensive proficiency in leveraging both Java and Kotlin to create fully functional Android Studio projects that meet your exact specifications. With in-depth expertise in the latest Google Play Billing Library, one of our significant strengths is native integration with Google Play Billing. Our prior experience handling one-time, consumable, and subscription products along with pending transactions and acknowledgment gives us a solid foundation to tackle this project. Furthermore, we understand that error handling and secure server-side verification through purchase token is paramount for you, and we're well-equipped to implement it effectively. Above all, our commitment is to exceed your expectations on this project. As a demonstration of our capability, we assure you timely delivery of a complete Android Studio project ready to compile, a demo APK showcasing successful purchases in sandbox mode, and a README file with clear instructions on further testing and release. Your satisfaction with the functioning of the code will be my bar of measuring success - rest assured, I won't stop until that's achieved!

@anilptk

Hello ranitc, I am Anil, a seasoned full-stack developer with extensive experience in Java, Android development, and software architecture. I am excited about your project and confident in delivering a clean and well-documented Android Studio project showcasing a fully functional in-app purchase flow. My expertise in Kotlin and Java, along with my proficiency in Google Play Billing Library, ensures native integration and seamless functionality. I am committed to providing you with a complete Android Studio project, a demo APK for testing purchases in sandbox mode, and a detailed README for easy integration and testing. I look forward to discussing further details and collaborating to ensure the success of your project. Best regards, Anil

@otusonellp

As an experienced Android developer with a passion for building high-quality, feature-rich mobile applications, I believe I'm the perfect fit for your project. At OTUSONE, we have successfully developed numerous Android apps leveraging Kotlin and the latest Google Play Billing Library, which align perfectly with the requirements of your project. Our approach is focused on delivering not only a working solution but also well-documented, clean code that can be easily integrated into larger projects, ensuring sustainability and long-term scalability. I understand the intricacies of in-app purchasing within Android app development and always adhere to best practices to guarantee smooth flow of transactions and handle all error states effectively. Moreover, my extensive experience with mobile app development combined with my strong command over Java and Kotlin equips me to provide top-notch deliverables that meet or exceed client expectations. I assure you complete transparency throughout the project lifecycle along with timely delivery of all the deliverables mentioned in your project description. Let's work together to bring your vision to life and create an industry-standard in-app purchase module for your Android app!

@dushyant317

I am a seasoned software developer with 13 years of experience in delivering successful projects aligned with your requirements. My expertise in required skills, and I have worked extensively on similar solutions. With a strong academic background from IIT Delhi, I bring both technical depth and practical implementation skills. I am confident that my experience and proven track record will add great value to your project. Looking forward to discussing how I can contribute effectively.

@divanOos

⚠️I earn your trust through results, not promises⚠️ I think we are the perfect fit for your project. I understand the need for a clean, professional in-app purchase flow using Google Play Billing in Kotlin. We specialize in seamless integration, handling of different product types, error states, and server-side verification. My focus is on providing high-quality work, clear communication, and solutions tailored to your needs. Rest assured, our expertise in Android development and in-app purchases will ensure your project's success. Let’s get started — your success is my priority. Regards, Divan

@Marinus06

My skills and experience align perfectly with what you're looking for. I understand the need for a clean, professional, and fully functional in-app purchase flow integrated with Google Play Billing, utilizing Kotlin and the latest Google Play Billing Library. While I am new to freelancing, I have extensive experience delivering seamless and user-friendly Android projects. I assure you of a project that meets your requirements and exceeds expectations. I’d be happy to discuss your project in more detail! Regards, Marinus Botha

@sgwtechnology

Dear H I’m excited to submit my proposal for your in-app purchase integration project. With a strong background in Android development and hands-on experience implementing Google Play Billing, I can deliver a clean, well-structured Android Studio project that meets all your requirements. The project will be built in Kotlin, targeting the latest SDK and using the most recent Google Play Billing Library. It will include: Full support for one-time, consumable, and subscription products Handling of pending transactions, purchase acknowledgements, and common error states Secure retrieval of purchase tokens for backend verification The interface will remain minimal as requested, focusing on clean, native billing logic you can integrate into your larger product. The final deliverables will include: A complete, well-documented Android Studio project A sandbox-tested APK demonstrating successful purchase flows A README with clear setup instructions, test account guidance, and release steps I understand the importance of stability and future-proofing in billing integrations. The project will be built with maintainability and scalability in mind, and I will ensure the code compiles cleanly without warnings. Looking forward to helping you streamline your in-app purchase implementation. Best regards,

@utkarsh281294

Hello [Client’s Name], I understand that you need a clean, well-documented Android Studio project that demonstrates a complete in-app purchase (IAP) flow using the latest Google Play Billing Library. The UI can remain minimal, but the billing integration must be robust, reusable, and easy to extend into a larger product. My Deliverables ✅ Full Android Studio project (Kotlin preferred, Java if required) targeting the current SDK ✅ Demo APK with purchases working in sandbox mode ✅ Short README explaining how to add product IDs, test with license tester accounts, and release The code will include: Support for one-time purchases, consumables, and subscriptions Proper handling of pending transactions and acknowledgements Error handling for user cancellation, network issues, invalid responses Returning the purchase token for secure server-side verification Implementation Approach Configure project with the latest Billing library. Implement flows for one-time, consumable, and subscription products. Add logic for pending purchases, acknowledgements, and consumptions. Provide clear error handling and log messages. Sandbox testing to verify purchase flows. Deliver final project + documentation. Timeline Estimated delivery: 5–7 working days Thanks Utkarsh Raj

@rhitjadhav

Hello, I've carefully reviewed your requirements for an Android in-app purchase demo and I am confident I can deliver a high-quality solution. With extensive experience in Kotlin and the latest Google Play Billing Library, I will provide a robust, well-commented project that is easy to integrate into your larger app. My implementation will cover all required purchase flows: one-time, consumable, and subscription products. It will correctly handle pending transactions, acknowledgements, and error states, ensuring reliability. Upon a successful purchase, the purchaseToken will be retrieved and made available for your server-side verification. Deliverables: Complete, ready-to-compile Android Studio project. Demo APK for sandbox testing. Clear README file explaining setup and testing procedures. I am ready to start immediately and look forward to working with you. Best regards, Rohit Jadhav