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I need a cross-platform mobile application delivered for both Android and iOS within roughly four to six weeks. The stack can be either Flutter or React Native, but whichever route you choose must integrate smoothly with a REST-based API layer and rely on Firebase or MySQL on the back end. Core requirements: Email-and-password user authentication Real-time push notifications Clean, intuitive UI/UX that feels truly native on each platform Full deployment support—store listing preparation, signing, and submission Deliverables: Fully functional mobile app Source code in a well-structured repo Build/run instructions Concise technical documentation Evidence of testing (unit and basic UI tests)
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125 freelancer chào giá trung bình $1.156 USD cho công việc này

⭐⭐⭐⭐⭐ Analyze project scope and finalize the optimal cross-platform framework (Flutter or React Native) to ensure rapid development and native-like performance. Leverage CnELIndia’s expertise in mobile app development for Android and iOS, integrating secure email/password authentication and real-time push notifications. Utilize Firebase or MySQL backend for scalable data management and smooth REST API integration. Collaborate with Raman Ladhani to design a clean, intuitive UI/UX that feels native on both platforms. Implement structured source code repository, build/run instructions, and concise technical documentation. Conduct thorough unit and basic UI testing to ensure app stability and reliability. Provide full deployment support including app store listing preparation, signing, and submission for both Android and iOS. Maintain agile project management to deliver the fully functional mobile application within the four-to-six-week timeline.
$1.125 USD trong 7 ngày
9,0
9,0

I can help with this, I will build your VibeVision app in Flutter with email and password authentication, real-time push notifications, and a polished native-feel UI for both Android and iOS. I will connect the app to your REST API layer with Firebase for auth and notifications, and MySQL for structured data. Deployment support including store listing, signing, and submission is included. I recommend using Firebase Cloud Messaging with topic-based channels so you can target user segments without managing individual device tokens on your own server. Questions: 1) Do you have an existing REST API, or does the backend need to be built as part of this project? 2) Can you share wireframes or screens for the key user flows? 3) Are there any third-party integrations beyond auth and notifications? Looking forward to your response. Best regards, Kamran
$770 USD trong 14 ngày
8,5
8,5

⭐⭐⭐⭐⭐ Create a Cross-Platform Mobile App for Android and iOS ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you're looking for a cross-platform mobile application. You don’t need to look any further; Zohaib is here to help you! My team has completed 50+ similar projects for mobile apps. We will create your app using either Flutter or React Native, ensuring smooth integration with a REST-based API and using Firebase or MySQL for the backend. ➡️ Why Me? I can easily build your mobile application within four to six weeks, as I have 5 years of experience in mobile app development, specializing in cross-platform solutions, user authentication, and real-time notifications. Not only this, I have a strong grip on UI/UX design, ensuring a clean and intuitive experience for users across both platforms. ➡️ Let's have a quick chat to discuss your project in detail. I can provide samples of my previous work and show you how I plan to deliver a high-quality app. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Mobile App Development ✅ Flutter ✅ React Native ✅ RESTful API Integration ✅ Firebase ✅ MySQL ✅ User Authentication ✅ Real-Time Push Notifications ✅ UI/UX Design ✅ App Deployment ✅ Technical Documentation ✅ Testing (Unit & UI Tests) Waiting for your response! Best Regards, Zohaib
$900 USD trong 2 ngày
7,8
7,8

Hello, I hope you're doing well. I'd love to build VibeVision as a smooth, cross‑platform mobile experience with either Flutter or React Native, integrating seamlessly with your REST API and Firebase or MySQL. My approach focuses on delivering a native-feeling UI/UX, secure email‑password authentication, and reliable real‑time push notifications. I’ll ensure the full deployment pipeline is handled, from app store preparation to signing and submission. Alongside the app, you’ll receive clean source code, clear documentation, and testing coverage to support long‑term maintainability. Looking forward to collaborating and bringing VibeVision to life. Best regards, Ahtesham
$1.500 USD trong 42 ngày
7,6
7,6

Hi there, We’ve built several mobile apps with real-time features and Firebase integrations, including a social media app that used WebSockets for instant notifications. We also developed a fully compliant app for a client that required extensive third-party library testing and security audits. For your project, I recommend using Flutter, as it allows us to create a single codebase optimized for both iOS and Android. This approach not only saves time but also ensures a consistent user experience across platforms. We can also enhance your app with additional features like in-app purchases, subscription models, and more. Let’s schedule a 10-minute introductory call to discuss your project in detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$1.237,50 USD trong 21 ngày
7,3
7,3

Hello, I see that you're looking for a cross-platform mobile app for VibeVision using either Flutter or React Native. With over 4 years of experience in mobile app development and a strong background in both frameworks, I can deliver a polished app that meets your needs. My approach would start by setting up a clean UI/UX, ensuring a native feel on both Android and iOS. I recommend implementing Firebase for user authentication and real-time notifications, as it simplifies the process and enhances performance. In my previous project for a client in the eCommerce sector, I developed a similar app using Flutter, which integrated smoothly with a REST API, and it received positive user feedback. I can complete this project within 4-6 weeks, allowing time for testing and deployment. What specific features do you envision for the app beyond the core requirements? Regards, Khurshid Ahmed
$780 USD trong 9 ngày
6,6
6,6

Hi, For something like VibeVision, I’d go with Flutter faster to deliver in your timeline, smoother UI performance, and easier consistency across iOS and Android while still feeling native. How I’d approach it: • Clean Flutter architecture connected smoothly to your REST APIs • Secure email/password authentication flow • Firebase push notifications setup + testing • Native-feel UI with smooth transitions and responsive layouts • Proper testing (unit + key UI flows) before release • Full store deployment support (assets, signing, submission) I’ve built similar cross-platform apps where speed and polish both mattered, so focus will stay on performance, clean structure, and smooth rollout. We can start immediately — I will ensure clear, daily communication and fast turnaround. You’ll always know the exact progress. Happy to review your API structure and UI references before kickoff.
$1.200 USD trong 45 ngày
6,6
6,6

Hi, I’m excited to propose for your cross-platform mobile application project. Given my decade of experience, I can confidently deliver a fully functional app for both Android and iOS within four to six weeks. I’ll use either Flutter, ensuring seamless integration with your REST-based API layer and backend using Firebase or MySQL. The app will feature: - Email-and-password user authentication - Real-time push notifications - A clean, intuitive UI/UX that feels native on both platforms I’ll handle full deployment support, including store listing preparation, signing, and submission. The app will be fully functional, with the source code in a well-structured repository and build/run instructions provided. I’ll also deliver concise technical documentation and evidence of thorough testing, including unit and basic UI tests. For more information, please visit my portfolio at https://www.freelancer.com/u/reedsystems. Looking forward to the opportunity to work with you! Reed
$1.200 USD trong 30 ngày
6,6
6,6

Hello! As per your project post, you’re looking to develop a cross-platform mobile application for both Android and iOS using either Flutter or React Native. The goal is to create a reliable mobile application that integrates smoothly with a REST-based API while delivering a clean and intuitive user experience along with essential features such as authentication, push notifications, and full deployment support. My focus will be on delivering a structured mobile application that includes a modern and intuitive UI/UX, secure email-and-password authentication, and real-time push notifications integrated through Firebase. The application will be built to communicate efficiently with your REST API layer while ensuring smooth performance on both Android and iOS devices. I will also ensure the project is organized in a well-structured repository with clear build and run instructions. I specialize in developing cross-platform mobile applications using modern frameworks such as Flutter and React Native, focusing on performance, maintainability, and scalability. The development process will include proper testing, clean architecture, and technical documentation to ensure the application remains easy to manage and expand in the future. Let’s connect to discuss the application structure, development approach, and overall workflow. Best regards, Nikita Gupta.
$750 USD trong 21 ngày
6,5
6,5

As a seasoned developer with Vimal Kumar's extensive experience in various mobile app development and versatility working with both Flutter and React Native, you can rely on me to deliver your project within the tight timeframe of 4- 6 weeks. My past experience includes integrating apps smoothly with REST-based APIs, as well as leveraging Firebase and MySQL for the back-end development. I'm confident that this background will position us perfectly to meet your core requirements. In addition to covering the technicalities of the project, I understand the importance of crafting an app that's not just functional but truly feels native on each platform. Consequently, my team and I prioritize clean and intuitive UI/UX while emphasizing the unique strengths of Flutter and React Native designs. Furthermore, Prajapati Technologies has established itself as a trustworthy and client-oriented firm over the past 10 years. We're proud of our fast turnaround time, 7-day availability, and particularly the reputation we've built ensuring quality work for all our clients- qualities precisely aligned with your project's objectives. Your satisfaction being our priority, we offer comprehensive support from store listing preparation to post-build processing. I look forward to transforming your vision into a reality and building an app you'd be proud of!
$1.250 USD trong 7 ngày
6,3
6,3

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1.000 USD trong 30 ngày
6,6
6,6

Hello, This is my speciality - I craft cross-platform mobile apps (Flutter or React Native) that connect to REST APIs and Firebase or MySQL backends, with native-feeling UIs and smooth deployment workflows. My name is Iosif Peterfi, a Senior Web Developer & CMS Engineer with 15 years building scalable apps. I love turning complex requirements into reliable, usable software. Plan: I'd select RN or Flutter based on your preference, then build email/password auth, real-time push via FCM/APNs, and a polished, native-like UI on both platforms. Backend integration will be REST-driven, with secure tokens, and I'll prepare build/run instructions plus store submission readiness. Source code in a well-structured repo. I'll include concise technical docs, security considerations, and unit + basic UI tests. Qualifications: 100+ sites/apps across WordPress, Laravel, and custom PHP. Notable work includes CamSteacher and Schnellno hosting. See live examples on my profile: https://www.freelancer.com/u/iosifpeterfi Would you prefer React Native or Flutter, and Firebase or MySQL for the backend? I'm ready to start after open points are clarified.
$2.900 USD trong 30 ngày
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
$750 USD trong 20 ngày
6,7
6,7

Your timeline and requirements are clear, and this type of project fits well with my experience building cross-platform mobile apps that integrate with REST APIs and cloud backends. I can deliver a clean, production-ready application for both iOS and Android within the 4–6 week window. For this project, I recommend Flutter as the development framework. Flutter provides excellent performance, a consistent UI layer, and fast development while still allowing the interface to feel native on each platform. It also integrates smoothly with REST APIs and Firebase services, making it ideal for the feature set you described.
$1.200 USD trong 30 ngày
6,0
6,0

I can deliver a polished cross-platform app using either Flutter or React Native tailored to your needs. I’ve helped a client launch a Firebase-backed app with email/password login and real-time notifications in under six weeks, so I understand the timing and integration challenges. To ensure native feel on both iOS and Android, I’ll focus on platform-specific UI tweaks while keeping the core code clean and reusable. For authentication, I’ll choose secure, tested libraries that fit well with your REST API and Firebase/MySQL backend. Do you have specific UI guidelines or Figma designs ready, or should I help define the core flows? Also, how do you plan to manage push notification content—through Firebase Cloud Messaging or your API? I’ll provide the fully tested app, clean source repo, clear build steps, and concise docs. Store listing prep and submission support are included so you get hassle-free launch. Ready to start and deliver an app that fits your timeline and quality requirements.
$1.125 USD trong 7 ngày
6,0
6,0

Hi, I understand you need a reliable cross-platform mobile app for Android and iOS delivered within the 4–6 week window, with secure authentication, push notifications, and smooth integration with your REST API. I can build this using Flutter or React Native, depending on which fits your backend best. The app will include secure email/password authentication, real-time push notifications, and a clean UI designed to feel native on both platforms. I’ll integrate it with your REST API and connect it to Firebase or MySQL for stable data handling. To ensure a smooth launch, I’ll include basic unit and UI testing, provide a well-structured code repository, and deliver clear build and run instructions. I can also assist with App Store and Google Play submission, including signing, store listings, and deployment. My focus is on delivering a stable, well-documented app that is easy to maintain after launch. Happy to discuss the API structure and timeline so we can get started quickly. Best regards.
$850 USD trong 7 ngày
6,2
6,2

Hi, I came across your project "Flutter/React Native App Build VibeVision" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, Mobile App Development, React Native, Flutter, MySQL, Mobile App Testing, Android, iPhone, REST API. , 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
$1.000 USD trong 15 ngày
6,0
6,0

>>>> Cross-Platform Mobile App Developer (Flutter / React Native) <<<< Hi, I can develop and deliver your cross-platform mobile application for both Android and iOS within the 4–6 week timeline, using either Flutter or React Native depending on what best fits your API and scalability needs. What I will deliver Mobile App Development Secure email/password authentication Real-time push notifications Clean, modern native-feeling UI/UX Smooth integration with your REST API Backend Integration Firebase or MySQL based backend Secure API communication Scalable architecture for future features Deployment Support App Store & Google Play store listing preparation App signing and submission Build configuration for both platforms Quick questions Do you already have the REST API ready, or should I assist with backend endpoints as well? Will push notifications be event-based from the API or Firebase-triggered? Do you already have UI designs/wireframes, or should I design the UI as well? Looking forward to discussing your project. Thanks.
$800 USD trong 14 ngày
5,9
5,9

With the knowledge and reputation I have built in my 7+ years as a Senior Full-Stack Developer, your project will be in excellent hands. For your cross-platform mobile application demands, I understand how critical clean code structure and selective tech stack is. While Flutter supports faster development with a single codebase, React Native has a reputation for maximizing the performance on each platform. I can help you decide between the two to suit the unique requirements of your project. To authenticate users using an email-and-password methodology and execute real-time push notifications, I have extensive experience working with Firebase across numerous applications. Moreover, my proficiency in MySQL and RESTful APIs will impeccably integrate your front-end with the back-end layer. Lastly, what sets me apart is my comprehensive array of skills and services even beyond development. From server configuration to stylized deployment strategies including store listing preparation to signing and submission, I can offer end-to-end solutions. Ready to hand you a reliable mobile app that meets all your needs and makes you stand out in the stores!
$1.125 USD trong 28 ngày
5,2
5,2

Hi there, I will develop and deliver your cross-platform mobile application for both Android and iOS. I have strong experience developing mobile apps using Flutter and React Native, integrating REST APIs, and deploying applications to both app stores. I would recommend React Native for its consistent performance and smooth UI across platforms, though I’m also comfortable using Flutter if it better fits your existing ecosystem. The app will be structured with clean architecture so it can easily integrate with your REST-based API layer and backend services such as Firebase or MySQL. Quality which i will deliver - 1. 100% hand written & clean code, No copy paste 2. Well commented, structured, 100% bug free and tested code 3. 100% Readable and editable code for future implementation. 4. Highly professional & full responsive design. 5. Development from scratch. Let's connect to discuss the API structure, features, and timeline so we can start the development smoothly. Best regards. Saurabh
$775 USD trong 30 ngày
5,5
5,5

Gujranwala, Pakistan
Thành viên từ thg 3 12, 2026
tối thiểu 100000 USD$
$750-1500 USD
₹12500-37500 INR
$250-750 USD
$2-8 USD/ giờ
$250-750 USD
$250-750 USD
€30-250 EUR
€8-1000 EUR
$10-200 USD
£20-250 GBP
$10-30 USD
$30-250 USD
₹1500-12500 INR
₹12500-37500 INR
$15-25 USD/ giờ
₹1500-12500 INR
₹400-750 INR/ giờ
$3-10 SGD/ giờ
₹1500-12500 INR
₹600-1500 INR
$20-60 USD