Hybrid iOS/Android App Design

@infowider11

⭐️⭐️⭐️ Hybrid Mobile App (iOS + Android) with OAuth & In-App Purchases ⭐️⭐️⭐️ Hello, I checked JD and you want — a clean, high-performance hybrid app that mirrors your existing website’s UI/UX while integrating secure OAuth 2.0 authentication and seamless in-app purchase functionality across iOS and Android. • Cross-platform app using Flutter or React Native • Pixel-perfect UI matching existing website • Secure OAuth 2.0 authentication integration • In-app purchase flow (Apple + Google compliant) • Native-like navigation and smooth performance • Search, content display & full workflow replication • Scalable architecture for future features (e.g., push notifications) • High-fidelity wireframes & clickable prototypes • Clean, well-documented source code Let’s chat… Thanks

@corpmember29

Hello, I have 11+ years of experience in hybrid mobile app development and can build a clean, high-performance iOS and Android application that closely mirrors your existing website while delivering a smooth native-like mobile experience. I have strong experience with React Native and Flutter, including OAuth 2.0 authentication, secure API integrations, in-app purchases, responsive UI/UX implementation, and App Store/TestFlight deployments. I can deliver: • High-fidelity wireframes and interactive prototypes • Secure authentication connected to your existing backend • In-app purchase integration • Native-feeling navigation and content experience • Clean, scalable, and well-documented codebase • TestFlight and Google Play internal testing builds • Future-ready architecture for push notifications and feature expansion I focus on premium UI quality, performance optimization, and long-term maintainability to ensure the app feels polished across both platforms. I would be happy to discuss the preferred framework, timeline, and architecture approach for your MVP. Thanks Christina

@shubhamshrimal7

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham

@Ekarthaan

Hi davidh490, Last week I delivered a near‑identical hybrid app (OAuth2 login + in‑app purchases), so I’m confident I can mirror your site’s look, feel, and flow with a fast, clean UI on iOS and Android from one codebase. i would like to know the below. - Do you prefer React Native (TypeScript) or Flutter, and do you already have brand tokens/components I should match? - For OAuth2, can I use your existing server with PKCE + refresh tokens, and are all site features available via REST/GraphQL APIs? I think we should. - Use RevenueCat to unify Apple/Google purchases, receipt validation, restore, and compliance—fewer edge cases, safer reviews. - Set up CI/CD with Fastlane + GitHub Actions to auto‑build TestFlight and Play Internal—reliable, repeatable test builds. Lets follow a plan like this. 1) I map site flows, gather brand assets, and deliver high‑fidelity Figma prototypes for your approval. 2) I scaffold the app, wire OAuth2 with PKCE, and build navigation/search/content with native‑feeling components. 3) I add IAP (subs or one‑time), sandbox test end‑to‑end, and write a short setup guide with clear, well‑commented code. 4) I run cross‑device QA, tune performance, then ship TestFlight and Internal Track builds that pass basic checks; structure leaves push easy to add later. I’ve shipped multiple secure login + IAP hybrids; I can share two live examples on request

@Hammadhassan21

Your hybrid app project is exactly the kind of scalable mobile build I specialize in—replicating your website’s workflow with a smooth native-feeling UX on both iOS & Android using React Native or Flutter. I’ve built apps with OAuth 2.0 authentication, in-app purchases, TestFlight/internal track deployments, and future-ready architecture for easy feature expansion. You’ll get polished wireframes first, clean documented code, and fast communication throughout. I can start immediately and also share relevant app samples. Which matters more to you right now: pixel-perfect UI matching or launching the MVP faster? Hammad Hassan.

@kamran2012

Hi there, I will design and develop your hybrid mobile app — secure OAuth 2.0 authentication, in-app purchase flow, and a faithful reproduction of your website's UI — all from a single Flutter codebase with test builds for both TestFlight and Android internal track. For extensibility, I will structure the app using a modular architecture with a dedicated notification service layer stubbed in from day one. When push notifications hit the roadmap, it will be a plug-in integration rather than a refactor. Questions: 1) Which OAuth 2.0 provider does your backend use — custom server, Auth0, Firebase, or another? 2) For in-app purchases, will users buy one-time content or recurring subscriptions? This bid is an initial estimate — I will confirm the final cost and timeline once we have walked through the complete requirements together. Looking forward to your response. Best regards, Kamran

@Srashtasoft

I can build a high-performance hybrid mobile app that mirrors your existing website while delivering a smooth native-like experience on both iOS and Android, including secure OAuth 2.0 authentication and seamless in-app purchase integration from a single scalable codebase. I recommend Flutter for its excellent UI consistency, performance, and long-term maintainability across platforms. The app will faithfully reproduce your website’s workflows, navigation, search, and content experience while optimizing interactions specifically for mobile users. The project will include: ✔ Secure OAuth 2.0 integration with your existing backend ✔ In-app purchase flow for premium content ✔ High-fidelity wireframes & clickable prototypes before development ✔ Responsive, native-feeling UI aligned with your brand guidelines ✔ Clean, well-commented source code & setup documentation ✔ TestFlight and Android internal testing builds ✔ Future-ready architecture for features like push notifications I have experience publishing hybrid apps with authentication systems, payment integrations, and App Store/Google Play deployment workflows. Ready to review your current platform, discuss the mobile UX strategy, and start immediately.

@mrresearcher99

Hello, I have 10+ years of experience in hybrid mobile app development using React Native, Flutter, and modern JavaScript frameworks, with multiple published iOS and Android applications involving secure authentication and in-app purchases. I can develop a clean, high-performance hybrid app that closely mirrors your existing website while delivering a smooth native-like mobile experience across both platforms from a single codebase. I focus on performance, clean UI/UX, and long-term maintainability to ensure smooth app store approvals and future scalability. I’d be happy to share relevant app examples and discuss the project workflow further. Best regards

@OutsourceMan

Having worked with both iOS and Android platforms for almost two decades, my team at CnELIndia is well-versed in the nuances of creating hybrid apps that are high-performing, user-friendly, and future-ready. We have a deep understanding of OAuth 2.0 and secure user authentication -- one which we can readily integrate into your existing account system -- as well as in-app purchase flows. Our proficiency in React Native perfectly aligns with your preferences for this project. We guarantee not just a fully-functional app resembling your website's look and feel, but also a codebase that prioritizes performance and maintainability for long-term ease. To ensure complete transparency and control from your end, our process mandates high-fidelity wireframes for approval before any coding begins and submission of test builds that pass thorough review checks on both iOS and Android platforms. Additionally, we're known for providing comprehensive documentation to our clients to help them take charge post-project completion. With over 743 satisfied clients attesting to our quality work, I'm confident that choosing CnELIndia for your hybrid app development would yield results that exceed expectations while remaining true to your brand guidelines.

@n2rtechnologies

Hi there, Reviewed your hybrid app project — looks like a solid fit for us. We've built plenty of iOS/Android apps with React Native and Flutter, so the cross-platform approach won't be an issue. One thing: you mentioned mirroring core workflow, but the description cuts off. Want to jump on a quick call so I understand exactly what that entails? I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Thanks, Hasan

@mobiappsoftware

Hello, I will design and develop your MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks

@dfordesigners

Hello, I'm Kausar, a seasoned designer with extensive experience in UI/UX, mobile app development, and branding. I understand the importance of mirroring your website's core workflow in a hybrid iOS/Android app while maintaining a seamless user experience. I excel in creating visually appealing designs that align with established brand guidelines. I have successfully delivered projects with secure authentication and in-app purchases, ensuring performance and maintainability. I look forward to collaborating on this project and providing high-fidelity wireframes, well-commented source code, and test builds for your review. Please check out my portfolio for a glimpse of my work.

@rbtech1984

Hello There!!! ★★★★ (Secure hybrid app with OAuth login & in-app purchases, web-to-mobile UX) ★★★★ Project understanding: You need a cross-platform app for iOS/Android that mirrors your website flow with OAuth 2.0 login, in-app purchases, and a smooth native-like UI with scalable structure for future updates. ⚜ UI conversion to mobile ⚜ OAuth 2.0 integration ⚜ In-app purchase setup ⚜ Flutter/React Native build ⚜ Interactive prototype first ⚜ Clean scalable code ⚜ Test builds (iOS/Android) I have built hybrid apps using Flutter/React Native with secure login and payment flows, bit of experience in API integration and clean architecture. Let’s connect to discuss scope and timeline. Warm Regards, Farhin B.

@ciss26

Hello, I hope you are doing well. I understand that you are looking to build an ANDROID AND IOS MOBILE APPLICATION, and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.

@malviyamanish

Hello, My name is Manish, and I lead a development team experienced in building scalable hybrid mobile applications with secure authentication and in-app purchase systems. We can rebuild your existing website experience into a high-performance iOS and Android app using a single modern codebase while maintaining your current UI/UX consistency and brand guidelines. We specialize in integrating OAuth 2.0 authentication flows, secure content access, and in-app purchase systems while ensuring smooth, native-like performance across both platforms. We structure apps for scalability so future features like push notifications or new modules can be added without major refactoring. We’ve worked on similar hybrid app projects and can share relevant examples during discussion. Thanks

@DeveloperStation

Hi, We’ve developed several hybrid apps with secure logins and in-app purchases, including a product that’s now generating revenue. We use a dedicated team of UI/UX designers to create high-fidelity prototypes that align with your brand and ensure a seamless user experience. For your project, I recommend using Flutter. It’s a modern framework that delivers native-like performance and allows us to share up to 90% of code between iOS and Android. We can also integrate web views for content display, ensuring a consistent experience across platforms. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. Feel free to message me anytime—I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil

@codefusion53

Hi, Your hybrid app project is a great match for my experience building mobile apps with secure authentication, native-feeling UI, and maintainable cross-platform architecture. I can recreate your website’s core workflow in a clean iOS and Android app using React Native or Flutter, depending on which best fits your current backend and long-term goals. I will integrate OAuth 2.0 login with your existing account system, build a smooth in-app purchase flow for premium content, and reproduce navigation, search, and content display while keeping the UI aligned with your brand guidelines. My approach would start with high-fidelity wireframes or prototypes for approval, then move into structured development with reusable components, clean state management, API integration, purchase validation, and room for future push notifications without major refactoring. I will also provide well-commented source code, a setup guide, and test builds through TestFlight and Android internal testing. A similar-scope app build usually takes 4 to 8 weeks depending on API readiness, design complexity, and store review requirements. I would be grateful to work on this app and will gladly accept your feedback throughout the process. Best, Justin

@AnhTVc

Hi! I’d be happy to help turn your existing website into a clean, reliable hybrid mobile app for both iOS and Android from a single codebase. I’d likely recommend React Native or Flutter depending on your current frontend/backend setup, with a focus on matching your existing brand, navigation, search, and content experience while making the UI feel natural on mobile. I have experience building mobile apps with secure OAuth-based authentication, protected user flows, and in-app purchase handling for premium content. Before development, I can prepare high-fidelity wireframes/prototypes so you can approve the flow and visual direction early. I’ll structure the codebase cleanly so future features like push notifications can be added later without major refactoring. Deliverables would include well-commented source code, setup documentation, and test builds for TestFlight and Android internal testing that are ready for review. I’d be glad to share relevant examples and discuss the best framework choice based on your current site architecture.

@gtssoftindia

Please initiate the chat so we can thoroughly discuss the requirements for the app, prior to the start. Happy to provide the final budget in chat. You will get a one-stop solution from my end as, throughout my 5+ years of freelancing Android/iOS App development career, I have created plenty of Mobile applications. I ensure to give the best quality app with good performance and responsive attractive UI and I have provided the clients with excellent results. I have expertise in Swift, React Native, Node.js, React.js, Angular, Laravel, and PHP. I am equipped to develop apps using these languages in all industries Pharmaceutical, Travel, Media & Entertainment etc. I also handle backend integrations for third-party collaborations on your systems. well versed in Mobile App Development in-App-Purchases, User Authentication, User Profile Creation, Location, Chat and Messaging, Map Integration, Payments, Social Media Account Integration, and many more to show. Have considerable knowledge of Android ANT SDK, BLE, Google Cast SDK, ads SDK, offerwall SDK and Titanium. I use libraries such as Sherlock Action Bar, OpenGL, Media Framework, and WebKit to build IoT integration app solutions. I am always interested in making long term professional relationships with my clients to ensure that every project becomes successful. So, if you hire me, I can assure you that you will not regret your decision. Best Regards Tejash J.