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I need an experienced developer to turn my concept into a fully functional mobile application. The focus is strictly development-related—the UI designs will either be supplied later or refined together once the core build is stable, but my immediate priority is getting the app itself working smoothly on both iOS and Android. Here’s what I’m aiming for: • A clean, well-structured codebase (Swift / Kotlin or a cross-platform framework such as Flutter or React Native—open to your recommendation). • Core features implemented exactly as documented in the user-flow I’ll share after kickoff. • Secure user authentication, basic in-app data storage, and API integration with my existing back-end. • Source code pushed to a private Git repo with meaningful commit messages so I can follow progress. • A test build delivered through TestFlight / Google Play Console for hands-on feedback, followed by a polished release build. Acceptance criteria: – The app compiles without errors on the latest stable versions of Xcode and Android Studio (or equivalent cross-platform toolchain). – All documented screens and endpoints load and behave as described in the spec. – No critical crashes or blocking bugs during a two-day QA pass I’ll perform. If you’re comfortable owning end-to-end mobile app development and can communicate clearly along the way, let’s get started.
Project ID: 40511090
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68 freelancers are bidding on average $7 USD/hour for this job

Hello, Regarding your project, i would like to discuss the app features in detail to better understand your requirements. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have completed more than 525 projects either local or internet based. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.
$10 USD in 40 days
8.9
8.9

Hi, We’ve developed several mobile apps with a strong focus on backend and API integration, including a social media app that required extensive server-side work. We understand that a great product starts with a solid foundation, and we prioritize building a clean, maintainable codebase. For your project, we can use either native languages (Swift/Java/Kotlin) or a cross-platform framework like Flutter, depending on the specific features you need. We’re also experienced with server management and can handle everything from CI/CD pipelines to optimizing server performance. Let’s schedule a quick introductory call to discuss your project in more detail and ensure I’m the right fit for your needs. I’m eager to learn more about your exciting idea. Best regards, Adil
$8 USD in 40 days
5.9
5.9

Hello, I can develop your app for iOS and Android using Flutter, providing a clean, scalable codebase with secure authentication, API integration, local data storage, and Git-based development workflow. I’ll deliver test builds through TestFlight and Google Play, keep commits organized, and ensure all features from your user flow are implemented and tested properly. Share the requirements, and I can recommend the best architecture and get started right away.
$7.50 USD in 40 days
5.0
5.0

As a highly competent and experienced Full Stack Developer, I believe I have the skills you’re looking for in bringing your mobile app concept to life. With over ten years in the industry, I have successfully developed multiple mobile applications across different platforms including iOS and Android, utilizing frameworks such as Flutter and React Native, among others. This experience gives me an edge to handle the end-to-end development requirements of your project and ensure robust code structures that are crucial for smooth functioning of any app. My proficiency in API development and integration will be leveraged to connect your app seamlessly with your existing backend for secure user authentication, in-app data storage, and more. I will follow a streamlined Git workflow with meaningful commit messages ensuring that you are updated on every step of the development process. Additionally, as part of my deliverables, you can count on me to provide you with not just a reliable final build but also an intermediate test build to incorporate your valuable feedback via TestFlight/ Google Play Console. By hiring me, you’re enlisting someone committed to delivering top-notch services based on clear communication and fast delivery. My extensive experience and dedication to support even after project completion makes me best suited for this project. I’m enthusiastic about turning your vision into a functional reality! Let's get started.
$5 USD in 40 days
4.8
4.8

With over 5 years of experience in mobile app development, I believe I'm the ideal candidate to turn your concept into a fully functional application. My expertise in both frontend and backend technologies, including React Native, means that I can provide you with a clean, efficient, and all-encompassing solution while adhering strictly to your UI designs and documented user-flow. One of my key skills is API integration - an essential aspect for your project so I can smoothly connect your app with your existing back-end. I have a proven track record in not only implementing core features exactly as specified but also ensuring secure user authentication and basic in-app data storage. With me on your team, you can expect a well-structured codebase and meaningful commit messages on a private Git repo - guaranteeing you're always up-to-date with the project's progress. What sets me apart from others is my passion for turning ideas into reality. I approach every project with enthusiasm and commitment, committed to delivering quality work within agreed-upon timelines. So let's start building something amazing together!
$5 USD in 40 days
4.9
4.9

Drawing from my extensive mobile development experience at prominent companies like Google and Apple, I'm the perfect fit for turning your concept into a fully functional app. My proficiency in both Swift and Kotlin enables me to code with precision, while my mastery of cross-platform frameworks such as Flutter or React Native offers flexibility in making your project suitable for both iOS and Android users. My skills go beyond just ensuring the codebase stability; I also prioritize core features exactly as you've documented in your workflow, guaranteeing a robust and secure product. Additionally, my experience with integrating APIs and providing bug-less, polished releases aligns perfectly with your requirements. Lastly, my commitment to using a private Git repo with meaningful commit messages ensures your involvement throughout the process. Boosted by AI integration capabilities that enhance user experiences and automates processes, I can take your app a step further than just mobile development. For a stress-free and efficient solution that adheres to your vision while accelerating time-to-market, choose me!
$5 USD in 40 days
4.4
4.4

Hi there! I noticed you're in need of a talented mobile app developer to turn your concept into a fully functional app, and that's exactly what I love to do. As an experienced Flutter developer, I've mastered the tools necessary to build clean, well-structured, cross-platform apps—perfect for your project. Moving forward, my streamlined process involves prioritizing core features as well as ensuring secure user authentication, in-app data storage, and API integration with your existing back-end. One aspect I highly value is delivering regular updates of the source code to private Git repos with meaningful commit messages. This helps me keep track of progress and allows us to work together seamlessly towards refining the user-flow and other UI elements once the skeleton of the app is stable. Additionally, my experience with TestFlight and Google Play Console will guarantee you constant access to test builds, offering you hands-on feedback sessions before we deliver a highly polished release build. Finally, beyond just creating a functional mobile app for you, I believe in building apps which are scalable and ready for real users – an experience I've garnered from working across diverse industries including e-commerce platforms and business dashboards. My goal is to ensure you not only have an amazing-looking product but also one that functions smoothly on iOS and Android
$4 USD in 40 days
4.1
4.1

As an experienced Full-Stack Web & Mobile App Developer specializing in both iOS and Android platforms, I am best positioned to bring your mobile application concept to life. Throughout my 5+ years in this field, I have successfully developed and deployed 40+ projects, a testament to my dedication and proficiency in the development process. Combining my expertise in Swift, Kotlin, Flutter, and React Native, I ensure that your app will be smooth, functional and secure on all targeted devices. One of the areas that set me apart from others is my capability to provide end-to-end services in application development. From the initial documentation to source code management with clear Git commit messages, I believe in transparent communication to ensure both parties are aligned on the project's progress. Additionally, my experience with agile project management ensures prompt deliveries, regular updates and efficient bug resolution. Finally, your satisfaction with the final product is paramount to me. Hence, before releasing the polished build we will conduct thorough testing through TestFlight/Google Play Console ensuring no blocking bugs or crashes during your two-day QA period. With me handling your project, you gain a collaborative and dedicated partner committed to producing a fully-functional mobile application that fits your needs precisely. Let's transform your idea into a highly efficient reality!
$3 USD in 40 days
3.6
3.6

With over 5 years of experience under my belt, I can confidently say that I am more than capable of turning your concept into a fully functional and intuitive mobile application. As a full stack developer, I have worked extensively with Android and iOS development, utilizing various frameworks including Flutter and React Native - this makes me comfortable and capable of using the right tools to ensure optimal performance and smooth UI designs for your project. Throughout my career, I have consistently prioritized clean, well-structured codebases which I know you're also aiming for. This commitment to detail will undoubtedly bring you an app that performs as documented in the user-flow, complete with secure user authentication, proficient in-app data storage, and seamless API integration with your existing backend. Moreover, I place great value on excellent communication to ensure the best results. With me, you will receive not only regular updates on progress but also meaningful commit messages via a private Git repo to keep you informed every step of the way. Finally, my dedication to producing reliable digital products is complemented by my ability to deliver polished release builds - something you can thoroughly test before release. Let me take ownership of your project for you; together we can make it shine!
$5 USD in 40 days
3.5
3.5

Hello, I carefully reviewed "need done we" and fully understand the project requirements. With my experience in Mobile App Development, React Native, I can deliver exactly what you're looking for with attention to quality, performance, and detail. I’m ready to start immediately and would be happy to discuss any specific requirements or questions you may have. Looking forward to working with you. Best regards, Umer
$8 USD in 2 days
2.4
2.4

Hello, I reviewed your project and would be happy to help. I have strong experience in Android development, PHP, Laravel, React, API integrations, bug fixing, custom feature development, and deployment. I can quickly review the existing requirements, identify the best implementation approach, and deliver a reliable solution with clean and maintainable code. I can help with: • Android application development • Bug fixing and troubleshooting • API integration • UI/UX improvements • Backend development • Database optimization • Performance enhancements • Testing and deployment A few questions: • Could you share more details about the project requirements? • Is this a new application or an existing one? • What is the expected timeline? • Do you have designs or specifications available? Thanks
$6 USD in 40 days
2.8
2.8

Hello There, I can help turn your concept into a fully functional iOS and Android application with a clean, scalable, and maintainable codebase. • Develop all screens, workflows, and features based on your provided specifications. • Implement secure authentication, local storage, and API integrations. • Use Flutter (recommended) or your preferred technology stack. • Maintain code in a private Git repository with organized commits and progress updates. • Deliver TestFlight and Google Play test builds for feedback and QA. • Fix bugs, optimize performance, and prepare production-ready release builds. Deliverables: • Complete mobile application for iOS and Android • Clean source code with documentation • API and authentication integration • Test and release builds • Deployment support I am comfortable managing the project end-to-end and can begin reviewing the requirements immediately. Regards, Vk
$5 USD in 40 days
2.3
2.3

I understand you need an experienced developer to build a fully functional mobile application for both iOS and Android, prioritizing core features and a clean, well-structured codebase. I have previously delivered a complex cross-platform application that launched on schedule, exceeding user adoption targets by 20%. I propose using React Native to efficiently build your app for both platforms, ensuring a single codebase for faster development and easier maintenance. This will allow me to implement your documented user-flow and core features precisely. The resulting app will have a clear separation of concerns, with components managed using Redux and navigation handled by React Navigation, ready for your UI designs. When will the user-flow documentation be available for review? Ready to start as soon as you confirm scope.
$8 USD in 7 days
1.4
1.4

As a seasoned full-stack software engineer with extensive experience in building mobile applications, I am confident that I am the right fit for your project. I specialize in developing cross-platform apps using technologies like Flutter and Firebase - precisely what you need for this job. Through my previous projects, I have honed my skills in ensuring clean codebase, implementing core features accurately, and integrating API seamlessly. Additionally, my proficiency in using PHP (OOP), WordPress, WooCommerce, Laravel, MySQL, MongoDB and React.js signifies my ability to comprehend complex system architecture and deliver results that align with the long-term vision. Security is one of the top priorities for any application today, and I can assure you strong measures will be taken to protect user authentication and data storage. I am not just a technical expert but someone who also values clear communication. This is why I maintain meaningful commit messages throughout development and ensure regular updates on progress. Furthermore, to guarantee client satisfaction, I always deliver a test build for feedback before finalizing a polished release build. Together with maintaining the app compiling without errors on the latest platforms, all these entail we are an excellent match for this project. Let's discuss further how I can turn your concept into a functional reality
$2 USD in 40 days
1.0
1.0

Hello, Good morning . How are you? I hope this proposal finds you well. I'M A CERTIFIED & EXPERIENCED EXPERT This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills, (Android App Development, iOS Development, Android, React Native, Flutter, PhoneGap, iPhone and Mobile App Development), as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. WELCOME.
$50 USD in 40 days
0.0
0.0

Hello, I hope you are doing well. I have carefully checked your requirements and understand that you need a fully functional mobile application developed for both iOS and Android platforms. The focus is on development, including clean codebase implementation, core feature integration as per user-flow documentation, secure user authentication, data storage, API integration, and Git repo management for progress tracking. Since I have worked on similar mobile app projects, I can quickly handle this type of system with a reliable and production-focused approach. My experience includes developing mobile applications with Swift, Kotlin, and cross-platform frameworks like Flutter and React Native. I prioritize stable integrations, testing, and long-term maintainability. I can deliver: • Mobile application with seamless user experience (Swift / Kotlin or Flutter / React Native) • Secure user authentication, data storage, and API integration (Firebase, REST API) • Source code management on private Git repo with meaningful commits • Test build via TestFlight / Google Play Console for feedback I can start immediately and work within your timeline. Let's discuss the details via chat. Best regards, Hoang Van Phi
$4 USD in 40 days
0.0
0.0

Requirement Analysis & Planning First, I will review your user-flow, API documentation, and feature list in detail. I will break everything into modules (auth, data storage, API layer, screens, and business logic). I will also confirm whether Flutter or React Native is best based on your backend, timeline, and future scalability. After this, I will define the app architecture and folder structure. Tech Stack Setup & Architecture I will initialize a clean production-grade project using either Flutter or React Native. I will implement a scalable architecture (MVVM or Clean Architecture), set up navigation, environment configs, and integrate Git from the start. CI-friendly structure will be prepared so builds remain stable across iOS and Android. Backend Integration & Authentication Next, I will connect your existing APIs using a dedicated service layer. Secure authentication (JWT/OAuth or your system) will be implemented with session handling, token refresh, and protected routes. I will also set up local storage (SQLite/AsyncStorage/SharedPreferences) for offline or cached data. Core Feature Development Each screen and feature from your spec will be built incrementally. I will follow your user-flow exactly, implementing state management (Provider/Bloc/Redux depending on framework). All features will be modular so they are easy to maintain and extend. Testing & Debugging I will continuously test on both Android and iOS emulators and real devices. I will fix crashes, performance
$5 USD in 60 days
0.0
0.0

Is the main issue getting your mobile app functioning smoothly, or are you mainly trying to achieve a solid, stable build for both iOS and Android? I’ve developed mobile applications that prioritize clean code and user-friendly functionality, ensuring smooth performance across platforms. Expect a well-structured codebase, secure user authentication, and seamless API integration with your existing backend. Each feature will be implemented as per your user-flow documentation, and I’ll keep you updated with meaningful commit messages in a private Git repository. I delivered a recent project using Flutter that improved load times by 30% and reduced bugs by implementing thorough QA processes. You can check out my work here: https://www.freelancer.com/u/taskra. Want me to get the first version moving today?
$8 USD in 5 days
0.0
0.0

With over 10 years of experience in the software industry, I’ve honed my skills in Android and iOS app development to produce clean, well-structured code. Your requirement aligns seamlessly with my core expertise, making me an exceptional fit for this project. I’m proficient in Kotlin, Swift, and even cross-platform frameworks such as React Native. What's more, I'm always up-to-date with the latest trends and technologies in mobile development, ensuring that the final product is cutting-edge. In addition to my technical prowess, my work ethic is another aspect that sets me apart. As a freelancer who has built multiple SaaS products from scratch, I am well-equipped to handle end-to-end app development effectively. My commitment to delivering quality on time is unwavering - reflected both in my prompt updates using meaningful commit messages on private Git repos and delivering polished release builds. Rest assured, every step of the way you will be kept well-informed of the project's progress. Lastly, as an African developer focused on helping fellow developers build faster and better, I take QA and thorough testing very seriously. There will be no room for critical crashes or blocking bugs during the two-day QA pass I intend to perform before handing over a stable app build to your satisfaction. My goal is to ensure your concept becomes a smoothly functioning reality on both iOS and Android. Choose me for your transformative project and let’s make it happen!
$5 USD in 40 days
0.0
0.0

I can develop your concept into a fully functional mobile application with a seamless user experience. I have extensive experience building mobile apps from concept to launch, ensuring robust performance and clean design. My process focuses on rapid prototyping followed by iterative testing to align closely with your vision and user needs. Do you already have wireframes or a detailed specification for the app?
$5 USD in 7 days
0.0
0.0

Kalaiya, Nepal
Member since Jun 13, 2026
$10-30 USD
₹12500-37500 INR
$50-200 USD / hour
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₹1500-12500 INR
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€250-750 EUR
$750-1500 USD
₹12500-37500 INR
$250-750 USD
$250-750 USD
$3000-5000 USD
₹150000-250000 INR
$10-30 USD
$750-1500 USD
$250-750 USD
$250-750 USD
₹8000-10000 INR
$750-1500 USD
₹12500-37500 INR