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I’m ready to move my idea from notes and wireframes into a working mobile product that lives in both the Google Play and Apple App Store. Because the concept is still being refined, I’m looking for someone who can guide the entire process—from choosing the right tech stack (native Kotlin/Swift, Flutter, React Native, or another option you recommend) through to final store submission. Here’s what I already know I’ll need: • Two fully functioning apps that share a single codebase where practical, yet still feel perfectly at home on their respective platforms. • A clean, modern interface and smooth onboarding flow; whether you build the UI from scratch or adapt an off-the-shelf kit is up for discussion as long as it looks polished and performs well. • Core features such as secure user authentication, push notifications, and the ability to add revenue streams (subscriptions or one-off in-app purchases) once the initial release is stable. What I’ll supply: – Brand guidelines, basic user stories, and API documentation for the existing backend. – Quick feedback loops and fast decisions so you’re never waiting on me. What I expect from you: – A realistic timeline with milestones, a clear testing strategy, and store-ready builds at the end. – Source code ownership transferred on each paid milestone, with concise documentation so any developer can pick it up later. – Ongoing advice on best practices for performance, accessibility, and future feature expansion. If you have shipped cross-platform apps before, can point to live examples, and are comfortable collaborating on product direction as well as code, I’d love to hear how you’d approach this build. THE DESIGNS WILL BE PROVIDED AND IT WILL BE A FINISHED PRODUCTION LEVEL PRODUCT TO BE LAUNCHED ON PLAY STORE. UI/UX WILL BE ENTIRE DONE AND PROVIDED.
Project ID: 40376261
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142 freelancers are bidding on average ₹114,538 INR for this job

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert
₹75,000 INR in 7 days
6.9
6.9

Hello, I will build your cross-platform app using Flutter — authentication, push notifications, onboarding, and in-app purchase integration — delivering store-ready builds for both Google Play and the App Store from a single codebase. Since you have an existing backend with API docs, I will wire up a clean repository layer that abstracts all network calls. This means if your backend ever changes or you swap services, the app logic stays untouched — saving significant rework down the road. I will also structure milestone deliveries so you own tested, documented source code at every stage. Questions: 1) Is your backend REST or GraphQL, and does it already handle auth tokens? 2) Do you have specific onboarding steps mapped in your wireframes, or is that flow still open for UX input? Looking forward to talking through the details. Kamran
₹142,058 INR in 25 days
7.4
7.4

Hi there, I have read your project requirement. You need a cross-platform mobile app built from your finalized UI/UX designs, with shared codebase, secure authentication, push notifications, monetization (subscriptions/in-app purchases), and full deployment to both Google Play and Apple App Store. We can build this using Flutter for a single scalable codebase while maintaining native-like performance and platform consistency. We will integrate your existing backend APIs, implement authentication, notifications, and monetization, and follow a structured milestone approach from development to testing and store submission. The app will be production-ready, well-documented, and optimized for performance and future scalability. Questions: ========= Do you want Firebase for notifications and analytics or another service? Which payment system do you prefer for subscriptions (Stripe, in-app purchases, both)? Are backend APIs fully ready or still evolving? What is your target timeline for launch? Best Regards, Srashtasoft Team
₹139,500 INR in 30 days
7.0
7.0

Hi, We’re a full-stack mobile development team experienced in taking apps from concept to full production launch across both iOS and Android. Based on your requirements, we’d recommend a cross-platform approach (Flutter or React Native) to maintain a single codebase while still delivering a native-quality experience on both platforms. What we’ll deliver: • Fully functional iOS & Android apps built from your final UI/UX designs • Clean implementation of onboarding, authentication, and core features • Push notifications and scalable architecture for future updates • In-app purchases / subscription readiness • Store-ready builds with full App Store & Play Store submission support Our approach: • Structured milestones with clear timelines and testing phases • Clean, maintainable codebase with full ownership transfer • Integration with your existing backend APIs • Performance, accessibility, and scalability best practices built in from day one What sets us apart: We don’t just develop we guide product decisions, ensuring the app is built for real-world usage, store compliance, and future growth. We’re comfortable collaborating closely, working with your provided designs, and delivering a polished, production-ready app ready for launch. Ready to start immediately and move this from concept to live product. Regards INTERCONNECT TEAM
₹112,500 INR in 7 days
6.7
6.7

Hello There!!! ★★★★ ( End-to-end cross platform app build with guidance from idea to App Store launch ) ★★★★ I understand you want to turn your idea into fully working iOS and Android apps, with help on tech stack, UI, and full deployment. Also need scalable features like auth, notifications and monetization ready. ⚜ Cross-platform app development ⚜ Tech stack consultation (Flutter/React Native) ⚜ Clean UI/UX and onboarding flow ⚜ Secure authentication setup ⚜ Push notifications integration ⚜ In-app purchases/subscriptions setup ⚜ App Store & Play Store deployment I have experiance building cross-platform apps from scratch, guiding clients from early ideas to live apps. I focus on performance and smooth user expereince. I would suggest Flutter for single codebase and speed, then build modular structure, test on real devices and prepare store-ready builds with proper docs. Let’s discuss your idea, I’d love to shape it into a solid product. Warm Regards, Farhin B.
₹112,500 INR in 10 days
6.5
6.5

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹75,000 INR in 10 days
6.7
6.7

Turning your notes and wireframes into smooth, polished apps on both iOS and Android is a familiar challenge. I’ll help select the best tech stack—Flutter or React Native are solid candidates to maximize shared code while allowing platform-specific polish. Since your concept is evolving, I suggest starting with a clean, modular architecture that supports rapid iteration and easy addition of features like subscriptions and push notifications. I’ve helped clients in consumer apps where matching native feel on both platforms without doubling work was key. We balanced custom UI with ready-made components for speed and polish, then refined onboarding flows based on user feedback. To stay on track, I recommend breaking the process into clear milestones: initial setup and architecture, core features with auth and notifications, followed by UI polish, testing, and store submission. For testing, I use automated and manual approaches to catch quirks on devices early. Does your backend support OAuth or JWT for authentication? What’s your priority for push notification platforms (Firebase, OneSignal)? This impacts implementation and future maintenance. I’ll deliver clean code with docs and transfer ownership at each milestone so your team can take over anytime. Ready to map out the timeline and get the first prototype going.
₹112,500 INR in 7 days
5.4
5.4

Hello sir, I have read your requirement that you have an existing backend and you want app built for both android and IOS, i will develop this in react native, i have been working for more than 10 years and comfortable in completing this task. Looking forward to hearing from you. Keshav Rankawat
₹112,500 INR in 7 days
5.5
5.5

Hello! As per your project post, you’re looking to transform your idea already supported by wireframes and finalized UI/UX into a fully functional, production-ready cross-platform mobile application for both Android and iOS. The goal is to build a polished, high-performance app that follows your provided designs exactly, integrates with your existing backend. My focus will be on delivering a complete cross-platform solution, featuring: development using a robust framework like Flutter or React Native to maintain a single codebase while ensuring native-level performance; pixel-perfect implementation of your provided UI/UX designs; secure user authentication integrated with your backend APIs; push notifications setup (Firebase/APNs); and readiness for monetization through subscriptions or in-app purchases. I specialize in building production-ready cross-platform applications with strong experience in API integrations, authentication systems, and store deployments. My approach ensures not just development, but a smooth end-to-end process from setup and coding to testing, optimization, and successful app launch while keeping the codebase clean and maintainable for future scalability. Let’s connect to review your designs, API documentation, and feature scope so we can finalize the tech stack, timeline, and start execution immediately. Best regards, Nikita Gupta.
₹100,000 INR in 21 days
5.3
5.3

****** End-to-End Cross-Platform Mobile App Development & Store Launch ****** Hello, How are you? I've checked your requirement and you’re looking for a developer to take your app from wireframes and defined UI/UX into a fully functional, production-ready mobile product available on both Google Play and the Apple App Store. • Cross-platform app development (single codebase approach) • Tech stack consultation (Flutter / React Native ) • Integration with existing backend APIs • Secure user authentication system implementation • Push notification setup and configuration • In-app purchases / subscription-ready architecture • Smooth onboarding and user flow implementation Lets connect... Thanks
₹80,000 INR in 20 days
4.9
4.9

With my 5+ years of real-world experience in both frontend and backend development, I believe I possess the necessary skill set to build your Cross-Platform Android & iOS App with utmost professionalism and precision. My proficiency in React Native and other relevant technologies will be at the heart of your project's success, ensuring a fast, sleek, and well-performing app that meets your expectations. Aligning with your vision of a smooth onboarding flow and modern interface, I have comprehensive knowledge in UI/UX-friendly development which would translate your existing designs into a polished app. Furthermore, my expertise in API integration will streamline the backend processes, providing secure user authentication and incorporating future revenue streams with ease. However, what really sets me apart is my dedication to thoroughness and quality documentation. This will grant any future developer who might need to pick up the source code unhindered access and consistent performance insights. I am genuinely excited about joining hands with you to create this amazing product, therefore offering my timely delivery, open communication throughout the process and my readiness to provide you with ongoing support and advice establishes our compatibility for this project. Let's turn your idea into an app reality, together!
₹112,500 INR in 7 days
4.9
4.9

Hi, I can help turn your designs and backend into fully production-ready iOS and Android apps and guide the entire process through store launch. Since UI/UX will already be provided, I’ll focus on clean implementation, performance, and scalability. I recommend Flutter for a single shared codebase while maintaining native performance and platform-specific polish. I can deliver: • Cross-platform iOS & Android apps • Pixel-perfect UI implementation • Secure authentication & onboarding • Push notifications integration • Subscriptions / in-app purchases • Backend API integration • Store-ready builds for App Store & Google Play You’ll also receive: • Clear milestones & realistic timeline • Testing & QA before submission • Source code ownership at each milestone • Clean documentation • Store submission & approval support I’ve worked on cross-platform apps from concept to store launch, focusing on performance, reliability, and clean architecture. I can start immediately and review your designs, user stories, and API documentation to propose timeline and milestones. Looking forward to helping you launch a polished, production-ready app. Regards Abhishek
₹100,000 INR in 7 days
5.5
5.5

Hello, I can take your idea from wireframes to fully launched apps on iOS + Android with a single clean codebase. I recommend Flutter for fast development, smooth performance, and easier long-term scaling. You’ll get: • Clean modern UI + smooth onboarding • Secure auth, push notifications, and scalable architecture • Subscription / in-app purchase ready setup • Milestone-based delivery + full source code ownership • Store submission support (Play Store + App Store) I also help refine product decisions while building, not just coding. Do you already have backend APIs ready, or should I handle that setup too?
₹80,000 INR in 7 days
4.7
4.7

With my 10+ years in full-stack development and expertise in mobile app development, your project is within my forte. I have extensive experience with Android, Flutter, Mobile App Development and even phoneGap and React Native which can be excellent options for your cross-platform solution. Building on a single codebase where practical but optimizing for the native platform is something I have successfully accomplished numerous times before. Moreover, my ability to understand client’s needs has been applauded by many. I appreciate your supply of brand guidelines, basic user stories, and API documentation. With these and my technical skills, we can collaborate efficiently to build an app that looks polished, performs excellently and has all the core features you need such as secure user authentication, push notifications, and future customizable-revenue streams.
₹112,500 INR in 7 days
4.5
4.5

I have 21 years of experince, Principal Software engineer at Microsoft, I have extensive experince with Flutter, previous experince of building Logistics apps with auth, in app chat, payment integration, live location tracking, booking and selections., I can build your app end to end with all the apis integrated.
₹112,500 INR in 7 days
4.5
4.5

Hi, I can take this from idea to fully launched apps on both iOS and Android. I’d recommend a cross-platform approach (Flutter) for a shared codebase while keeping native-level performance and feel. I’ll handle everything end-to-end—development, integrations (auth, push, payments), testing, and store submissions—with clear milestones and clean documentation. Since UI/UX is already provided, we can move fast. Let’s discuss timeline and get started ? Diptee
₹150,000 INR in 30 days
4.1
4.1

I have read your job post and I understand you want to build a mobile app for both Android and iOS from your designs and idea. I am a mobile app developer with experience in Flutter and React Native, and I have built apps with login systems, push notifications, and in-app payments. I suggest using Flutter so we can use one codebase and still get smooth performance on both platforms. I will follow your UI/UX designs and connect the app with your backend API. My approach is to start with basic setup, then build core features step by step, test each part, and share updates with you. I will also prepare builds for Play Store and App Store. In the end, you will get a fully working app, clean code, and simple documentation for future use.
₹95,000 INR in 30 days
4.1
4.1

Hi there, I've carefully reviewed your project "Cross-Platform Android & iOS App" and I'm confident I can deliver a high-quality solution that exceeds your expectations. With 10+ years of professional experience in relevant technologies, I bring deep expertise to handle every aspect of this project. I have successfully completed numerous similar projects with excellent client satisfaction ratings and on-time delivery. My approach for your project: 1. Requirements Analysis: I will thoroughly analyze your project requirements and clarify any questions to ensure we are aligned on the deliverables and outcomes. 2. Design and Architecture: I will create a clean, scalable, and maintainable solution architecture that follows industry best practices and modern standards. 3. Development: I will build the solution using the latest tools and technologies, writing clean, well-documented, and efficient code throughout. 4. Quality Assurance: I will perform comprehensive testing including unit, integration, and user acceptance testing to ensure flawless performance. 5. Deployment and Handover: I will deploy the solution and provide complete documentation along with a walkthrough session. Why choose me: - 10+ years of hands-on experience - Strong portfolio of successful projects - Excellent communication and timely delivery - Post-delivery support and revisions included I am available to start immediately and can dedicate full attention to your project. Best regards, Raj Mohan
₹112,500 INR in 7 days
4.3
4.3

I can help you take your idea from wireframes to a fully launched mobile product on both Play Store and App Store. With 11+ years of experience and multiple cross-platform apps delivered, I specialize in building scalable, production-ready mobile applications with clean architecture and smooth user experience. Recommended Approach: • Use Flutter for a single codebase (fast development + native performance) • Integrate your existing backend APIs securely • Follow your provided UI/UX designs with pixel-perfect implementation What I will deliver: • Android & iOS apps with consistent performance and native feel • Secure authentication, push notifications, and scalable architecture • In-app purchase/subscription-ready setup • Clean, maintainable source code with proper documentation • Store-ready builds (AAB & IPA) with full deployment support Process: • Milestone-based development with regular test builds • Continuous feedback loop and quick iterations • Final testing and smooth store submission I also bring strong experience in app publishing, performance optimization, and long-term scalability, so your product is built right from the start. I can guide both technical decisions and product direction to ensure a successful launch. Let’s discuss your idea and timeline in detail.
₹132,500 INR in 3 days
3.9
3.9

Hello! Based on your project description, you are looking to design and develop a cross platform mobile application for iOS and Android using a shared codebase, with full guidance from architecture selection through to App Store and Google Play deployment, including authentication, push notifications, and future monetization support through subscriptions or in app purchases. I will focus on building a scalable and maintainable mobile solution using a cross platform framework such as Flutter or React Native, depending on what best aligns with your backend structure, performance expectations, and long term feature roadmap. The application will include a modern and responsive UI with a smooth onboarding experience, secure authentication flow, push notification integration, and a clean architecture that supports future expansion such as subscriptions and in app purchases. I have 7+ years of experience in building and deploying cross platform mobile applications from concept to production and I have done similar work in past please open the chat window so I can share with you. Please contact me to discuss your API structure, feature priorities for the first release, and preferred tech stack direction so that we can define a clear roadmap and milestone plan. Best regards, Nikita Gupta
₹75,000 INR in 25 days
3.2
3.2

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