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I need a full-featured mobile application that works seamlessly on both iOS and Android. My priority is to receive a single, maintainable codebase—whether you prefer Flutter, React Native, or another proven cross-platform framework—along with clean architecture and clear documentation. I will provide the core concept and desired user journeys; you handle UI/UX design, front-end and back-end integration, QA, and deployment to the App Store and Google Play. Source code (with comments), compiled release builds, and hand-off documentation are expected at delivery so I can continue maintaining the product after launch. If any store compliance or device-specific adjustments arise, please factor them in from the outset so the review process stays smooth. I’m ready to start as soon as we agree on milestones and a realistic timeline.
Project ID: 40602953
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74 freelancers are bidding on average ₹24,915 INR for this job

Hi, I'd love to help with your "Cross-Platform Mobile App Development" project. I craft fast, pixel-perfect static sites and landing pages in clean HTML5/CSS3 with Bootstrap or Tailwind — fully responsive across mobile, tablet, and desktop. For a fixed project involving website design, mobile app development, iphone, android, ios development, documentation, react native, flutter, I translate Figma/PSD/XD designs into crisp, semantic markup that matches the design exactly. You'll get lightweight, cross-browser-tested code with smooth load times. I'd be glad to discuss the details and timeline — when can we chat? Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹15,000 INR in 7 days
8.0
8.0

As an experienced full-stack software engineer, I believe my skill set and passion for creating cross-platform mobile applications make me the ideal choice for your project. With over a decade of experience, I am highly proficient in hybrid app development using frameworks like Flutter and React Native. I consistently strive to create maintainable codebases, streamlined architecture, and comprehensive documentation to fully empower my clients even after delivery. In addition to my technical expertise, I also bring a versatile range of competencies including UI/UX design, back-end integration, quality assurance, and successful deployment across the App Store and Google Play. My extensive knowledge of Firebase/FCM/Push Notification, GPS/Google Map APIs will ensure a smooth user experience on both platforms. Beyond the technicalities of the job, I value open communication, quality work with efficient time management and fostering strong client relationships. I guarantee that your desired functionalities will be developed precisely within the agreed milestones and timelines. Be assured of not only getting your app dream accomplished but also having a steadfast technology partner throughout its lifecycle. I'm excited to start collaborating on this project with you!
₹25,000 INR in 7 days
8.0
8.0

As an experienced full-stack developer, I have a diverse range of skills that make me an ideal fit for your cross-platform mobile app development project. My expertise in iOS development, React Native, and website design will help me create a user-centered, highly functional, and seamless app that would work effortlessly on both iOS and Android platforms. Be it your desired platform or any other proven cross-platform framework like Flutter, you can count on me to deliver a solid single codebase upon which you can continue building. What sets me apart is my commitment to writing clean and maintainable code with a strong focus on performance and scalability. Your requirement for clear architecture and documentation resonates deeply with my work ethic. Besides, I am well-versed in handling UI/UX design, front-end and back-end integration, QA, deployment to the App Store and Google Play—everything that your project entails. Lastly, I value communication throughout every stage of the process. As we embark upon this project together, you can expect consistent updates from me to keep you informed about the progress. Moreover, I have dealt with store compliance and device-specific adjustments before ensuring smooth review processes. Let's talk milestones and timelines so we can turn your vision into reality!
₹12,500 INR in 1 day
7.1
7.1

Dear sir, I'm excited to apply for your Flutter app development job. I specialize in building high-quality, cross-platform mobile applications with a strong focus on performance, clean architecture, and user experience. From turning ideas into polished products to fixing complex issues in existing apps, I enjoy delivering reliable solutions that meet both business and user needs. I'm comfortable working independently, collaborating with teams, and communicating clearly throughout the development process. Over the past several years, I've successfully completed more than 150 mobile development projects for clients across different industries. My experience includes Flutter, Dart, Firebase, REST APIs, state management solutions, push notifications, payment integrations, maps, real-time features, localization, and publishing applications to both the Google Play Store and Apple App Store. I also have experience integrating native Android and iOS functionality when needed, allowing me to solve platform-specific challenges while maintaining a single Flutter codebase. I take pride in writing clean, maintainable code and delivering projects on time without compromising quality. Whether you're looking to build a new application from scratch, improve an existing product, or add new features, I'm confident I can help bring your vision to life. I'd love the opportunity to discuss your project and show how my experience can contribute to its success.
₹20,000 INR in 5 days
6.6
6.6

With 8+ years of experience in Full-Stack Development and Mobile App Development using frameworks like Flutter and React Native, I am confident in my abilities to deliver your cross-platform mobile application flawlessly. Throughout my career, I have successfully completed over 200 projects, ensuring sites and applications are not only visually appealing but also functionally sound. This expertise extends to the production of scalable and secure solutions—an imperative aspect of any sustained operation post-launch. Lastly, your seamless user review process won't be hindered by any store compliance or device-specific adjustments as I will make sure they are accounted for pre-emptively. An extensive understanding of the nuances associated with storing an application on both Apple and Google platforms has guided me through several successful app releases.I am excited to collaborate with you on this project, turning your concept into reality while providing long-term support every step along the way. Let's make this journey fun and rewarding!
₹27,500 INR in 7 days
6.4
6.4

Hi, I have 8+ years of experience in cross-platform mobile app development. I can build a high-quality iOS and Android app using Flutter or React Native with a clean architecture, modern UI/UX, backend integration, testing, and smooth App Store & Google Play deployment. You'll receive the complete source code, documentation, and a fully maintainable solution. I'm ready to discuss your requirements and start right away. Thanks Manish giri
₹15,000 INR in 7 days
6.0
6.0

Drawing on over two decades of experience and an extensive skillset, I have the proven ability to deliver exactly what you're looking for. Not only can I design and develop a full-featured cross-platform mobile application that aligns with your concept and desired user journeys, but I also ensure you have a single, maintainable codebase. As far as technology stack is concerned, having worked with Flutter, React Native and many others, I am well-equipped to create the most effective application for your needs. Notably, my commitment to clean architecture and clear documentation ensures that even after delivery, you'll be able to seamlessly maintain the product. Furthermore, as an experienced hand in long-term support, store compliance adjustments and device-specific optimizations are always factored into my work from the outset, ensuring that the review process remains smooth for you. In summary, my dedication to delivering stable, business-critical solutions combined with my passion for clean code and maintainability could bring significant value to your project. Let's take this forward and upscale your vision into a leading cross-platform mobile application!
₹18,000 INR in 15 days
5.6
5.6

The biggest risk with cross-platform apps at this budget isn't the build, it's store rejection during review. I've shipped React Native apps where the first submission got bounced over missing privacy manifests on iOS and targeting API compliance on Android. Factoring that in from day one saves weeks. I'll set this up in React Native with a clean architecture, handle the UI/UX based on your user journeys, integrate your backend, and deliver source code with comments plus release builds for both stores. One thing worth noting: Apple now requires a privacy nutrition label and specific data-handling declarations even for simple apps, so I'll prepare those during development rather than scrambling at submission. 1) Do you have a backend/API already, or does that need to be built as part of this? Happy to talk details in chat. Shayan
₹13,750 INR in 9 days
5.1
5.1

Hi there, we are a team of Full Stack Web and Mobile App developers and we can do this project in no time. Thanks Ashish Kumar.
₹25,000 INR in 7 days
4.7
4.7

Hi there, I am highly interested in developing your cross-platform mobile application for iOS and Android. Here is how I will fulfill your project requirements: * **Single Codebase & UI/UX Design:** I will build a clean, maintainable cross-platform app using Flutter or React Native, designing intuitive user journeys and high-quality UI/UX tailored for both iOS and Android. * **Full-Stack Integration & Store Deployment:** I will handle seamless front-end and back-end integration, thorough QA testing, and manage full publishing to the App Store and Google Play, ensuring all compliance guidelines are met. * **Source Code & Hand-off:** I will deliver fully commented, structured source code, compiled release builds, and comprehensive hand-off documentation so you can easily manage and update the app post-launch. I am ready to discuss your core concept and user journeys to get started immediately. Best regards, Nikhil
₹25,000 INR in 7 days
4.6
4.6

With my extensive experience in AI Agent and Cross-Platform Mobile App Development, I am the perfect fit for delivering your project on time and to your precise specifications. Having developed various successful cross-platform mobile applications using Flutter and React Native, I understand the importance of maintaining a single codebase for smooth functioning across iOS and Android platforms. Among some of my notable achievements, I have developed autonomous agents that can make decisions and remember tasks, a true testament to the depth of my skills. Additionally, I built inbound and outbound voice agents synced with CRMs and calendars which I believe would be extremely handy with your project. Moreover, when we work together, you can expect much more than just completing the given task. I focus on providing full ownership from the architecture to deployment ensuring clean documentation for maintenance in the long run. And above all, clear communication flows smoothly throughout every step of our collaboration. Choose me and rest assured that your project will be delivered impeccably!
₹12,500 INR in 2 days
4.5
4.5

As a seasoned Flutter developer with a strong background in mobile app development, I am excited to bring my skills and expertise to your cross-platform project. I specialize in building production-ready apps with clean architecture and robust backend integration. With your core concept and desired user journeys in mind, I will prioritize seamless UI/UX design, reliable front-end and back-end integration, rigorous QA testing, and efficient App Store and Google Play deployment. I understand the importance of maintainability for a long-term stable product. My approach ensures that you receive a single, maintainable codebase that can be easily handled beyond our engagement. I also emphasize clear documentation so you have all the necessary information to continue improving the product after launch. One thing that sets me apart is my focus on meeting the specific needs of businesses. I am experienced in incorporating essential features like payment gateways, push notifications, real-time updates, role-based access, admin dashboards and analysis tools within apps for SaaS companies, startups, and businesses. These are functionalities that add not just value but make your app stand out from competitors. Over the years, I’ve refined my approaches to version control, CI/CD and deployment which would help create a realistic timeline for your project while ensuring quality deliverables at every step.
₹25,000 INR in 7 days
4.4
4.4

Building a cross-platform app is about more than sharing a codebase. The architecture should make it easy to add features, integrate with backend services, and handle platform-specific requirements without creating technical debt. I can develop the application using React Native or Flutter, depending on your product requirements, with a clean, modular architecture that supports long-term maintenance. From UI/UX implementation and backend integration to testing, store preparation, and deployment, I'd focus on delivering a stable application that performs consistently on both iOS and Android. The project would include well-organized source code, documentation, and a structured handover so your team can confidently maintain and extend the app. I also account for App Store and Google Play requirements from the beginning, reducing the risk of review delays by addressing permissions, privacy, device compatibility, and platform-specific guidelines during development rather than at release. One question: could you share the core concept and the key features planned for the first release, so the architecture can be designed around the MVP instead of assumptions?
₹12,500 INR in 8 days
4.1
4.1

As an experienced and versatile full-stack developer, I understand the ins and outs of mobile app development, especially when it comes to cross-platform functionality. Your project calls for a single, maintainable codebase that can run seamlessly on both iOS and Android, and my extensive expertise with React Native perfectly aligns with that requirement. Additionally, my skills extend far beyond app development. I am fluent in AWS, Azure, and Google Cloud technology – a crucial aspect of your project's backend integration and architecture. My proficiency in these platforms ensures that I can deliver secure, scalable, and high-performance solutions tailored specifically to your business needs. Another key element is my competency in AI development. Although not explicitly mentioned, I believe integrating artificial intelligence into your app will undoubtedly elevate its performance and user experience. From developing chatbots to intelligent automation systems powered by OpenAI APIs, I have the knowledge and know-how to augment your app with smart AI features. Ultimately, what sets me apart is my unwavering commitment to delivering clean code and optimized performance – traits essential for maintaining a smooth review process should store compliance or device-specific adjustments emerge. With me as your partner, you can rest assured of a reliable, future-ready solution that aligns seamlessly with your vision. Let's turn your idea into a powerful reality.
₹25,000 INR in 7 days
3.9
3.9

As a software engineer specialized in mobile app development with over five years of experience, I offer a unique blend of creativity, strategic thinking, and technical expertise. My skill set includes Android, iOS, Flutter, and React Native development which perfectly aligns with your cross-platform requirement. Your project’s focus on maintainability is something I deeply appreciate. I understand the importance of neat architecture and exemplary documentation to ensure seamless handing-off of codebases once the project is completed. You can rest assured that your project will have scalable code with clear comments and comprehensive hand-off documents. Furthermore, my previous work showcases apps built from scratch that have been successfully launched across various platforms. I am comfortable with the process of adhering to store compliances and making device-specific adjustments when needed; ensuring your app release process remains smooth throughout. I believe my commitment to not just delivering a product but also ensuring your long-term success aligns perfectly with your expectations for this project. Looking forward to the opportunity to discuss further!
₹37,000 INR in 7 days
3.8
3.8

I understand your details. I am a flutter developer. I build your app well commented and also provide you documents. And also deployed on both google play console and apple Store and also quide for future changes. I am waiting for your response.
₹12,500 INR in 7 days
3.3
3.3

Hi, I hope you're doing well. I can develop your mobile application using a single, scalable cross platform codebase in Flutter, delivering a modern UI, clean architecture, secure backend integration, thorough QA, and production ready deployments for both the App Store and Google Play. I'll provide well documented source code, release builds, and a complete handoff package while ensuring the app is built with platform guidelines and store compliance in mind for a smooth review and launch process. Kind regards, Mahad
₹12,500 INR in 1 day
3.4
3.4

Hi, I can develop your cross-platform mobile app with Flutter, delivering a clean, scalable codebase, intuitive UI/UX, secure backend integration, thorough QA, App Store & Google Play deployment, and complete source code with documentation for long-term maintenance.
₹25,000 INR in 7 days
2.9
2.9

Hello, I understand you are looking to develop a cross-platform mobile application for both iOS and Android, prioritizing a single, maintainable codebase using frameworks like Flutter or React Native. The app should have clean architecture, clear documentation, and seamless deployment to the App Store and Google Play. The main technical challenge is ensuring smooth integration between front-end and back-end, while maintaining a user-friendly UI/UX design. A common issue in projects like this is handling device-specific adjustments and store compliance from the beginning to streamline the review process. To tackle this, I would focus on creating a scalable architecture with a strong emphasis on UI/UX design and efficient integration processes. My experience includes developing similar cross-platform applications with a focus on maintainability and user experience. A few questions to better understand the scope: Q1- Do you have specific design preferences or wireframes for the app? Q2- Are there any third-party integrations required for the app? Happy to discuss the details and suggest the best technical approach. Best regards, Hoang Van Phi
₹12,500 INR in 3 days
2.4
2.4

Hi, I can help you build a complete cross-platform mobile application for both iOS and Android with a single, scalable codebase. We can use Flutter or React Native based on your requirements and will handle the complete development process including UI/UX design, frontend development, backend integration, QA testing, and App Store & Google Play deployment. Deliverables: * iOS and Android mobile applications * Clean and maintainable architecture * Backend/API integration * Responsive UI/UX implementation * Testing and performance optimization * Source code with documentation * Release builds and deployment support We focus on building secure, scalable, and store-compliant applications that are easy to maintain and extend with future features. I’d be happy to discuss your app concept, user flow, timeline, and project milestones. Regards, Shailender
₹23,000 INR in 25 days
1.8
1.8

Jammu, India
Member since Jul 24, 2026
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