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I’m looking for end-to-end development of a mobile application for both Android and iOS, together with a fully integrated website. All three surfaces—Android, iOS and web—should draw from the same back-end so that a user who signs up or makes a change in one place sees it instantly everywhere else. Here’s what matters most to me: • One code-base per platform that feels truly native in speed and UX. I’m happy to use React Native, Flutter, Swift/Kotlin, or another modern stack you can justify. • A web front-end that mirrors the app’s functionality, built with a current framework such as React, [login to view URL], Vue, or an equivalent you prefer. • A clean, well-documented API layer (REST or GraphQL) that powers both the apps and the site, with secure authentication and scalable architecture. • Deployment all the way to Google Play, the Apple App Store, and my chosen hosting for the site, along with clear hand-off of source code and build instructions. Acceptance will be based on smooth data sync across platforms, bug-free operation on recent Android/iOS versions, and a responsive website that passes standard performance audits. If this aligns with your expertise, let’s talk through milestones and start shaping the product together.
Project ID: 40493523
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384 freelancers are bidding on average $587 USD for this job

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We will use AI tools to developed your app very quickly and so in cheapest cost as we are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
$500 USD in 7 days
9.7
9.7

Hi i can need detailed document and design assests from you to build thr system. The document will explain the functionality. I am confident i can make it and provide you better software services. Lets chat
$500 USD in 7 days
8.9
8.9

Hi — Elias here from Miami. I see you’re looking for comprehensive development of a mobile app for both Android and iOS, along with a website. Your goal likely involves creating a seamless user experience that can scale as your audience grows. What usually matters most here is ensuring that the app can handle increasing user loads while maintaining performance. A common issue in systems like this is managing the complexity of integrations across platforms, which can lead to challenges in maintainability and updates. My approach would focus on building a robust architecture using Flutter or React Native for cross-platform efficiency, ensuring consistent performance and easier updates. I'd also prioritize backend integration to streamline user data handling and enhance security. I have experience with similar projects, where I developed mobile applications that required careful state management and future-proofing to accommodate evolving user needs. A few questions to better understand the scope: Q1 – What user roles and permissions will the app require? Q2 – Are there specific integrations or APIs you're planning to use? Q3 – What are your scaling expectations as the user base grows? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$600 USD in 5 days
8.5
8.5

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for an end-to-end development of a mobile application for both Android and iOS, alongside a fully integrated website. My background in delivering solutions for over 1 million users and expertise in React Native, Flutter, and Swift/Kotlin positions me well to meet your project goal of seamless user experience across all platforms. For strategic insight, I recommend implementing a robust API layer using GraphQL to power both the apps and the website, ensuring secure authentication and scalable architecture. My past success in building Telegram Mini Apps for a large user base demonstrates my ability to handle complex integrations and ensure smooth data sync across platforms. I invite you to reach out so we can discuss the roadmap for your project and collaborate on shaping the product together. Let's work towards achieving your vision seamlessly.
$600 USD in 20 days
8.6
8.6

Hello, {{ I HAVE CREATED SIMILAR APPS & WEBSITE BEFORE AND I CAN SHOW YOU }}}} I have gone through your requirements and understand that you are looking for highly skilled, qualified, and experienced (Android and iphone /ipad Mobile App with development (API )web services where admin can manage the app from backend development Native and Hybrid application, React Native, Flutter Android Java/Kotlin, iOS Objective C /Swift/Swift UI . and AI/ML , Laravel MVC, React JS, Node.js PHP, Angular, WordPress, MySQL, and MongoDB. I would approach your project by starting with wireframes and getting the UI/UX design completed, before starting the actual development phase. We'll provide You high Quality Design and development for you with unlimited changes in design. ++++++Service Guarantee++++++ ➥ Designed app Android admin panel. ➥ Optimized code and well commented on use for future. ➥ All the latest code to support all versions of Android devices. ➥ Launched the app on Google Play Store ➥ Setup servers, hosting your app and create a database. ➥ Free support and maintenance. ➥ Multi language support. ➥ 24*7 hours live support. ➥ daily weekly meeting I am available on desk as per your convenient time zone and will work on your project until you satisfied with my work. Thanks Christina
$250 USD in 7 days
8.4
8.4

★Top 3% Android & IOS Flutter App De... Hi I have read the requirement and can do this project with perfection We are team of experienced developers having 10+ years of experience in Mobile App( Android ,IOS) Designing, Development including Backend APIs and Admin Panel. We having expertise in App Development. Inform client that we can do this project with perfection. Ask client to connect in chat if he has any questions to ask. Call client as "Dear Client". We are open to discuss about budget & timeline. Would you Like to build app for Android and IOS?? We are an expert team which have 10+years of experience on Cloud Computing, Azure, App Development
$500 USD in 7 days
7.5
7.5

Hello, I am excited about the opportunity to work on the end-to-end development of your Android-iOS mobile application and integrated website. I understand the project requirements for creating a seamless user experience across all platforms with a single codebase and a well-documented API layer. With expertise in Flutter, React Native, Android, iOS, and web development, I am confident in delivering a solution that meets your expectations. I will ensure the apps feel native in speed and UX, with a web front-end that mirrors the app's functionality using modern frameworks. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I look forward to discussing further details and milestones to bring your vision to life. Best regards, Warda Haider
$250 USD in 4 days
6.9
6.9

| Mobile Application | Flutter | React | iOS | Android | Web Application EXPERT Hi, Thanks for sharing this opportunity! I have read your project requirements. Over the past 10+ years, I've built a strong foundation in full-stack development, specializing in mobile app development using iOS, Android, React Native, and Flutter. My proficiency in these languages would allow me to do so with great efficiency. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. Why you should move forward with me : More than a decade experience in mobile and web app development. Full-time availability as well as daily updates and open to long-term engagements NOTE: Please pan the budget for now, we will discuss over chat. Thanks & Regards, Srishti
$500 USD in 7 days
7.0
7.0

--- Cross-Platform Mobile App & Web Platform Development ---- Hi, I understand you're looking for a unified ecosystem consisting of Android, iOS, and web applications powered by a single backend, ensuring real-time data synchronization and a consistent user experience across all platforms. Key features include user registration/login, profile management, dashboard, notifications, real-time data sync, role-based access, admin panel, API integrations, and secure authentication. We can handle the complete development cycle, testing, deployment, and source code handover while ensuring scalability and performance. I'd be happy to discuss your product vision, key features, and milestone planning to recommend the most suitable architecture before development begins. Best Regards,
$320 USD in 7 days
7.4
7.4

I’ve built and shipped cross-platform apps with a shared backend, so this setup is familiar territory. Your requirement is clear—one reliable backend powering Android, iOS, and web with real-time consistency. I’d approach this with a clean API layer (REST or GraphQL) and a single source of truth for auth and data sync. For apps, Flutter or React Native both fit well here; I’d lean based on your UX expectations and long-term maintainability. Web can mirror functionality cleanly using React/Next.js. Key focus areas: • Consistent state sync across platforms (no stale data issues) • Fast, native-feeling UI on mobile • Secure auth + scalable backend structure • Clean deployment and documented handover One thing to get right early is how real-time updates are handled (WebSockets vs polling) to avoid sync delays as usage grows. Do you already have designs/wireframes, or should I factor UI/UX from scratch? Happy to map this into clear milestones and get it moving quickly.
$562.50 USD in 5 days
6.6
6.6

Hello, I hope you are doing well. I understand that you are looking to build a 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.
$250 USD in 5 days
7.0
7.0

Great to see you're looking for a mobile app for both Android and iOS. I have experience with React Native and Flutter, so I can help you build a smooth and efficient app across both platforms. Your goal of creating a cohesive mobile experience is something I relate to, and I understand the importance of a user-friendly interface. With around 10 years of experience in mobile development, I’ve tackled similar projects before. Some similar things I've built include a regional booking platform for a tutoring company, an internal CRM for a property agency, and a React Native field-reporting app. Let’s connect and discuss how we can bring your vision to life. Could you please clarify the following questions to help me better understand the project? Q1: What specific features do you want in the mobile app? Q2: Are there any design guidelines or branding elements you want to incorporate? Q3: Do you have a preferred backend technology or API integration in mind?
$600 USD in 6 days
6.6
6.6

Hi , For Mobile I will use react native, for web I will use nextjs+firebase. I will do the project with smooth ui/ux and make high interactive and dynamic from my achieved skills in this area. Let's discuss further to start it. Nikhil.
$300 USD in 15 days
6.1
6.1

HI I will build a unified digital ecosystem for your brand by developing a high-performance cross-platform mobile application for Android and iOS using React Native, seamlessly synchronized with a responsive, modern website to deliver a consistent and fluid user experience. Tejal
$250 USD in 4 days
6.1
6.1

Hello, I came across your Android-iOS App & Website Build and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in Web Development, React Native, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$250 USD in 4 days
5.6
5.6

Hi, I have 5+ years of experience in Flutter. I will design and develop a fully functional Flutter mobile application for your business. The app will be cross-platform, responsive, and optimized for both Android and iOS. I will ensure smooth navigation, clean UI, and reliable performance. My Skills Include: a) Flutter Development – Expertise in building cross-platform mobile apps with responsive UI. b) State Management – Experienced in Provider, Riverpod, and Bloc for scalable apps. c) Backend Integration – Skilled in connecting apps with REST APIs, Firebase, and third-party services. d) Database Handling – Proficient in Firebase Firestore, MySQL, and SQLite. e) Deployment & Support – Experienced with publishing apps on Google Play Store and Apple App Store. Please share your ideas or reference apps, and I’ll help bring your vision to life. Lets connect in chat so that We discuss further. With Regards, Sai
$320 USD in 10 days
6.0
6.0

With extensive experience in developing cross-platform applications, I understand the need for a unified backend to ensure seamless user experience across Android, iOS, and web platforms. I have successfully leveraged React Native and GraphQL to create similar projects. How crucial is real-time data synchronization for your application's functionality and scalability? Regards, Yogesh Kumar
$580 USD in 9 days
5.6
5.6

Hello dear, Greetings from MD. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience. I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from RUET. We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$250 USD in 5 days
5.4
5.4

Hi, I came across your project "Android-iOS App & Website Build" and I'm confident I can help you with it. About Me: I'm a full stack developer and agency owner with over 8+ years of experience in Mobile App Development, React Native, Flutter, Android, Web Development. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$500 USD in 7 days
5.2
5.2

hi, i have strong experience building mobile apps and web platforms that share the same back end. i can develop your android and ios apps using flutter to ensure fast, native-like performance and a single code base for easier maintenance. the web front-end can be built with react to match app functionality perfectly. i will create a clean and secure api layer with scalable architecture, ensuring that user data syncs instantly across all platforms. deployment to google play, app store, and your hosting will be handled with clear hand-off instructions. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio during the chat. mughiraa
$500 USD in 7 days
5.2
5.2

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