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I need a robust mobile application that talks directly to my Raspberry Pi-based device and guides users through a short diagnostic workflow. The same build must run smoothly on both iOS and Android. . Require to be done quickly. Developer should have proper knowledge of mobile app dev as well as able to link the mobile app with RPI as per standard protocols via wifi/Bt. YOU MUST HAVE ACCESS TO RPI TO CHECK AND TEST. APK LINK [login to view URL] Please note this is a client project hence provide rational quotations. Irrational quotations will be ignored. App flow • Screen 1 – discover, pair and stay connected to the Raspberry Pi. • Screen 2 – present a short questionnaire and update on database or store responses locally until upload. • Screen 3 – wait for the device trigger, show the captured image, let users review three separate image sets and confirm each one. • Screen 4 – once the next device trigger arrives, display the sensor values streamed from the Pi in real time. • Screen 6 – ensure everything from screens 2-5 is transferred to an online database, showing progress and success/fail feedback. and a result screen of detection grade and yes or no. IN TERMS OF EXISTING APK THE FOLLOWING CHANGES - screen 1 same , 2 we need to create , 3 - update to take muliple images with retake confirmation , 4- update currently part of screen no 3 create a sep screen + optimize , screen 6 - from scratch . FIRST PREFERENCE IF THIS PROJECT CAN BE HOSTED ON A HOSTINGER BUSINESS HOSTING WITH my sql THE FOLLOWING ACCESS TO RESOURCES - [login to view URL] Backend I need a lightweight structure that the app hits for image and sensor data uploads, and any future analytics calls. Please design the endpoints, database schema, and secure token flow; the Pi side already sends its data over the local network once a connection is open. Deliverables • Production-ready source code for the mobile app Flutter • API code with clear documentation and environment files for rapid deployment • Build instructions plus a short video or screenshots proving the full workflow on both an iPhone and an Android device. The key success criteria are reliable device pairing, instant image preview, lossless data upload and a clean, intuitive UI that feels identical on both platforms. If this matches your skill set, let’s get started right away.
ID do Projeto: 40013469
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35 freelancers estão ofertando em média ₹30.929 INR for esse trabalho

Hi, there I can help you deliver this cross-platform diagnostic app quickly and reliably. I have 5+ years of experience in Android and Flutter, and I’m comfortable integrating mobile apps with Raspberry Pi over Wi-Fi/Bluetooth using standard protocols. I can rebuild and optimize the required screens, add multi-image capture with retake confirmation, real-time sensor streaming, and a clean result workflow. I’ll also set up a lightweight backend with secure API endpoints and a MySQL structure suitable for Hostinger. I have access to an RPi for proper testing and validation. Happy to start immediately and share a demo once the initial build is ready. Best regards, Bhargav Android Developer
₹25.000 INR em 7 dias
6,9
6,9

As an accomplished Electrical Engineer with advanced expertise in microcontrollers and embedded systems, I am uniquely equipped to meet your project needs. My mastery of Raspberry Pi and diverse mobile platforms including iOS and Android makes me the best candidate for the job. I assure you that the app I will develop for you would be robust, reliable, and will function seamlessly for diagnostic workflow on Raspberry Pi. My extensive knowledge of firmware development and IoT connectivity will ensure a lightweight structure for image and sensor data uploads, keeping your app fast and responsive. Having worked with various wireless stacks such as BLE, Wi-Fi, Zigbee etc., I am well-versed in creating and handling standard protocols via Wi-Fi/Bt for adequate communication with Raspberry Pi. My experience towards developing IoT devices from concept to market-ready product will surely add value to your project.
₹50.000 INR em 7 dias
6,3
6,3

Hello, I am confident that I possess the necessary expertise to create the robust application you seek. Beyond just competence, I bring a results-oriented approach that has consistently earned me top ratings and 100% client satisfaction. My ability extends to integrating various devices like your Raspberry Pi as per standard protocols via wifi/Bt. What sets me apart is my determination to help you unlock your project's potential. I deliver not just apps, but engines for growth-making sure your app performs reliably while iterating and expanding. I have a deep appreciation for the key success factors outlined in your description: device pairing, instant image preview, lossless data upload, and UI consistency across platforms. Let's embark on this mutually beneficial partnership together!
₹25.000 INR em 7 dias
4,7
4,7

As a seasoned and multi-skilled developer, I understand the unique challenges that come with your project. Not only do I boast a solid 10 years of experience in web development, including mastery in Flutter and Mobile App Development, but I also have a deep familiarity with your Raspberry Pi device. In fact, I've downloaded the APK you shared to evaluate and test its functionalities. With over 20 dedicated professionals working alongside me, our team has gained expertise in various areas you require assistance in: Mobile Development, Website Development, Website Design, and Graphic Design. This varied skillset promises us the capacity to meet your precise project requirements within your desired timeline. Moreover, we pride ourselves on our reputation for providing high-quality services and maintaining strong client relationships - something we're keen to uphold with you. Trust us to create not just a robust mobile app but also an intuitive UI that works seamlessly on both iOS and Android devices. Lastly, we can also provide comp
₹21.500 INR em 7 dias
4,1
4,1

Hi there, I reviewed your project and can build a production-ready Flutter app that connects reliably to your Raspberry Pi, handles pairing, captures multiple images with retake confirmation, streams sensor values, manages the questionnaire flow, and uploads everything to a MySQL backend. I’ll also create the backend API, database schema, and secure token setup, and deliver full source code plus workflow proof on both iOS and Android. I have the required experience with mobile development and device integration, and I can test directly on an RPi as requested. Let’s discuss the details so I can tailor the best solution and start immediately. Best regards, Pooja
₹25.000 INR em 8 dias
4,1
4,1

Dear Hiring Manager, I am an experienced cross-platform mobile developer (Flutter) with hands-on expertise in IoT integrations, including Raspberry Pi via Wi-Fi and Bluetooth. I can deliver your diagnostic mobile app for iOS and Android quickly, ensuring reliable device pairing, real-time sensor streaming, multi-image capture with confirmation, and seamless data upload to a MySQL backend. I will design and implement a lightweight backend with secure API endpoints, token-based authentication, and a clean database schema, optimized for Hostinger Business hosting. The workflow from your existing APK will be fully upgraded: Screen 1 remains, Screen 2 will be built, Screen 3 enhanced for multi-image review, Screen 4 separated and optimized, and Screen 6 created from scratch for smooth result reporting. Deliverables include production-ready Flutter source code, backend API code with documentation, environment setup files, build instructions, and a short demo video showing the full workflow on both iOS and Android. My goal is a polished, intuitive UI, lossless data transfer, and end-to-end tested integration with your Raspberry Pi device. Thank you for considering my proposal. I am ready to start immediately and deliver efficiently. Sincerely,
₹25.000 INR em 7 dias
3,6
3,6

Hi, I’m Karthik — Senior Mobile Engineer (Flutter + IoT/Raspberry Pi) with 10+ yrs of experience. I’ve built multiple Flutter apps integrated with Raspberry Pi via WiFi/Bluetooth, handling real-time sensor streams, image capture, diagnostics, and reliable data sync—an exact match for your requirement. What I will deliver quickly: ✔ Cross-platform Flutter app (iOS + Android) ✔ Seamless RPi discovery, pairing & persistent connectivity ✔ Questionnaire module (local + remote sync) ✔ Multi-image capture with retake + confirmation workflow ✔ Separate live sensor screen with optimized real-time updates ✔ Final upload screen with status, retries, success/failure feedback ✔ Online DB sync (Hostinger MySQL supported) ✔ Clean, consistent UI matching your existing APK flow ✔ Secure token-based API communication Backend (lightweight + scalable): • REST APIs (Node.js / Python FastAPI) • MySQL schema optimized for image + sensor logs • Endpoints for uploads, analytics-ready storage • Secure key-based auth • Deployable on Hostinger Business hosting You will receive: • Complete Flutter source code • API code + environment files • Build instructions • Proof video/screenshots from real iPhone + Android tests • Support for integrating with your Pi triggers & image stream I have access to Raspberry Pi for actual testing, ensuring pairing, preview, and data transfer work reliably. Ready to start immediately with rational pricing and fast delivery.
₹55.000 INR em 7 dias
3,2
3,2

Hello, I will build your Flutter app that connects smoothly with your Raspberry Pi setup and handles sensors, controls, or data exchange in real time. The app will have a clean interface, fast performance, and a stable connection with your Raspberry Pi through API, WebSocket, or local network depending on your setup. My focus will be reliability, easy navigation, and a workflow that matches your hardware functions. Here is what I will deliver: 1. Flutter app for Android and iOS with clean screens and smooth navigation. 2. Full integration with Raspberry Pi through REST API, WebSocket, or MQTT as required. 3. Real time data display, device controls, or automation features depending on your hardware. 4. Secure communication and error handling for stable performance. 5. Complete testing of the app with your Raspberry Pi environment. Before we begin: 1. How will the Raspberry Pi send or receive data, REST API, WebSocket, or another protocol? 2. Should the app only read sensor data or also control devices connected to the Pi? Let me know how you would like to proceed, and I can start right away. Looking forward to your response. Best regards, Faizan
₹15.000 INR em 7 dias
3,4
3,4

Hello, I will develop a robust, cross-platform mobile application using a suitable framework (Flutter or React Native) that communicates with your RPi-based device via standard Wi-Fi/BT protocols. I will address all required changes, including building the new questionnaire screen, updating the image capture screen for multiple images, separating and optimizing the sensor streaming screen, and building the final data transfer screen from scratch. I will also develop the required lightweight backend API (Node.js/Python) with a MySQL database hosted on your Hostinger Business Hosting to handle secure data upload and storage, including the final detection grade result. 1) Which cross-platform framework do you prefer: Flutter only or React Native is also workable? 2) Which specific protocol does the RPi use to stream sensor data (e.g., Bluetooth LE, local WiFi socket)? 3) What is the highest priority sensor value (e.g., temperature, pressure) that needs to be displayed on Screen 4? Thanks, Bharat
₹55.000 INR em 20 dias
2,9
2,9

Hello, I’m Rahul Singh from Team Velora, and for 3 years we’ve built robust Flutter apps that integrate with IoT devices like Raspberry Pi over Wi-Fi/Bluetooth. We can deliver your cross-platform app with device pairing, multi-image capture, real-time sensor streaming, and secure backend uploads, fully tested on both iOS and Android. Please come to the private chat so I can review your existing APK, discuss the workflow, and outline the development approach.
₹30.000 INR em 30 dias
3,0
3,0

Hello, I’m Dinesh Kumar With 14+ years of experience across multiple platforms, I’ve helped build numerous startups through dedication and hard work. I’m committed to delivering high quality work that ensures 100% client satisfaction. Your success is my priority, and I focus on building long term relationships based on trust and excellence. Expertise: Web & App Development – React.js, Node.js, JavaScript, PHP, MySQL, WordPress, Magento, CodeIgniter, Shopify, .NET, Flutter, FoxPro Strong knowledge of frameworks, software design, and development methodologies Proven ability to deliver custom, scalable, and reliable solutions for diverse industries I work with clients globally, providing end to end solutions that meet unique project needs while maintaining the highest quality standards.
₹25.000 INR em 7 dias
2,3
2,3

I promise you, working with me on this project will be your best decision yet. I am Meiirkahn, a versatile freelancer with extensive experience in the realm of Mobile App Development, particularly utilizing the highly efficient tool, Flutter. Successfully combining technical development prowess with flair for creativity, I offer more than just a functional app - I create user experiences that captivate and impress. The intersectionality of my skills will guarantee a clean and reliable UI made possible by my front-end skill in designing clean an modern UI/UX together with backend skills needed for API creation and database schema design. Plus, because of advanced expertise in Flutter on both iOS and Android platforms which matches perfectly with your specifications. As proof for my reliability and efficiency in delivering quality work within demanding timelines, I propose providing all deliverables required: robust source code for your mobile app written using Flutter, clear documentation for your procuctioned API code including environment files for effortless deployment amongst other requirements you have outlined. Please get in touch and let's get started on creating an app that smoothly links your Raspberry Pi based device to both the iOS and Android platform.
₹25.000 INR em 7 dias
2,1
2,1

I can deliver a production-ready cross-platform Flutter app that pairs reliably with your Raspberry Pi (Wi-Fi/BLE), guides users through the diagnostic workflow you described, captures/retakes multiple images, streams sensor values live, and uploads everything to a secure backend; I’ll provide the Flutter source, API code, DB schema, secure token flow, build instructions and a short demo video showing the full flow on iPhone and Android. I’ll update the existing APK screens as you requested, host the lightweight backend on Hostinger/MySQL if you prefer, and I must have temporary RPi access (local or via VPN) plus the APK/test devices to validate pairing and streaming. I’m Muhammad Sheraz and ready to start once access details and the Pi test environment are shared.
₹25.000 INR em 7 dias
2,6
2,6

Dear Hiring Manager, I am very interested in building your cross-platform mobile app (iOS & Android) that communicates directly with your Raspberry Pi device. I have strong experience in Flutter development and integrating apps with IoT devices over Wi-Fi and Bluetooth, including real-time sensor streaming and image capture workflows. My approach: Screen 1: Device discovery, pairing, and persistent connection. Screen 2: Custom questionnaire with local caching and database sync. Screen 3: Multiple image captures with retake confirmation. Screen 4: Real-time sensor data display streamed from the Pi. Screen 6: Reliable upload of images, sensor readings, and user responses to a MySQL backend, showing progress and success/fail feedback. Lightweight backend with secure token-based API, clear endpoints, and scalable database schema suitable for Hostinger hosting. Deliverables include a production-ready Flutter app, API code with documentation, environment setup, and a build demo showing full functionality on iPhone and Android. I ensure smooth UI, fast pairing, lossless data upload, and robust workflow adherence. I can start immediately and provide a rational, fixed quote for the full delivery. Best regards,
₹25.000 INR em 7 dias
2,3
2,3

I am an expert in the required skills with over 13 years of proven, hands-on experience. I consistently deliver high-quality work with precision, speed, and clear communication. Your project aligns perfectly with my background, and I can begin immediately. I guarantee timely delivery, attention to detail, and reliable support. Looking forward to contributing to your project’s success.
₹25.000 INR em 7 dias
2,1
2,1

Hi, I'm Bunphot. I have read through your project info. I found that my past project experiences meet your project requirement. I did many mobile App projects with Flutter which compatible for Android and ios as well as many projects about Raspberry Pi. Please let me more detail about your project so that I can help you to finish your project with no delay.
₹32.000 INR em 20 dias
1,4
1,4

Hi there, I’m excited about the opportunity to bring your vision to life! I’ve read your requirements carefully and understand the importance of a seamless, reliable mobile app for guiding users through your diagnostic workflow and connecting smoothly with Raspberry Pi. My expertise covers both cross-platform app development in Flutter and direct integration with RPi via standard WiFi/Bluetooth protocols – plus, I have a Raspberry Pi set up for full end-to-end testing as we go. I’ll deliver a clean, intuitive app that covers everything from reliable pairing and quick sensor/image data exchange, to an optimized, secure backend designed for easy deployment on Hostinger’s business hosting with MySQL. All features will be crafted to ensure a frictionless user journey, instant previews, lossless data uploads, and a consistent look and feel on iOS and Android. You’ll receive production-ready code, well-documented APIs, database design, setup instructions, and video proof of the complete workflow on both platforms. I understand this is a client-facing project and will offer fair, transparent pricing to ensure your satisfaction. Looking forward to discussing your project in more detail and delivering a robust solution that exceeds your expectations! Best regards, Vitalii
₹25.000 INR em 5 dias
0,0
0,0

Hi there, I’ve carefully reviewed your project and the existing APK. I can build a cross-platform Flutter app that connects seamlessly with your Raspberry Pi via Wi-Fi/Bluetooth and implements the diagnostic workflow exactly as described. Execution Plan: Screen 1 – retain existing discovery and pairing flow. Screen 2 – build the questionnaire with local storage and upload logic. Screen 3 – allow multiple image captures with retake and confirmation. Screen 4 – separate real-time sensor display from images, optimize streaming. Screen 6 – implement secure data upload to MySQL/Hostinger, show progress, and result screen. Backend – lightweight API with secure token flow, endpoints for images, sensor data, and future analytics; database schema design included. Testing – full workflow verification on both Android and iOS using the APK you shared, with video/screenshots documentation. Relevant Experience: I have extensive experience in Flutter mobile apps, IoT device integration via Wi-Fi/Bluetooth, real-time sensor streaming, MySQL backend setup, and API development for cross-platform solutions. I have also deployed production-ready Flutter apps communicating with Raspberry Pi devices. I can start immediately. Please confirm if we can proceed with Hostinger/MySQL for backend hosting, and I can provide a detailed plan for rapid delivery. Best regards, Shuvadeep.
₹25.000 INR em 7 dias
0,0
0,0

Being a seasoned Full Stack Developer with 6+ years of robust experience, I'm convinced I have the essential skills to tackle your project. The diversity of my tech stack encompasses crucial elements like Backend Development, Mobile App Development in Flutter, REST API expertise and iOS Development. Skillsets like these make me firmly positioned to deliver first-rate performance for both Android and iOS devices as demanded by your project. My proficiency notwithstanding, what distinguishes me from other bidders is my dedication to providing an end-to-end solution. In addition to just the mobile app development, I approach this project holistically in terms of building a solid backend and designing the right schema that'll best capture all your needs. Furthermore, my experience with hosting platforms like Hostinger will ensure smoothness while deploying the final product giving you both the performance and security you need. For this undertaking's utmost success, I thrive to supplemented everything from implementation to efficiency thus making certain that every single screen transition(View) provides a flawless user experience. Should we move forward together, be assured of 'Production-ready source code for the mobile app', comprehensive documentation for rapid deployment, enhanced APIs and most certainly a satisfied client!
₹32.000 INR em 20 dias
0,0
0,0

Hi, I’m ready to build your cross-platform mobile app that connects seamlessly with your Raspberry Pi device. I can update the existing APK to include the new questionnaire, multi-image capture, real-time sensor display, and a robust backend for uploading and storing all data. I’ll deliver a Flutter app for iOS and Android, a lightweight API with MySQL support (Hostinger-compatible), full database schema, and clear deployment instructions. The workflow will be fully tested with the Pi to ensure reliable pairing, smooth image preview, and secure data transfer. I can start immediately and provide rational timelines and costs.
₹25.000 INR em 7 dias
0,0
0,0

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