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I want to build a dedicated mobile app focused on real-time health tracking, with heart-rate monitoring as the first and most important metric. The goal is to give users a simple way to “eat well, apply healthy habits, and keep away from the doctor” by letting them see how their heart responds to daily activities. Scope • Cross-platform mobile development (iOS and Android) • Continuous or on-demand heart-rate capture from a phone camera or paired wearable (Apple Watch, Fitbit, generic Bluetooth HR strap—whatever is easiest to integrate) • Clean dashboard that shows current BPM, trends, and basic alerts when a threshold is crossed • Secure user login with data stored locally and synced to the cloud for backup • Lightweight, intuitive UI so anyone can open the app and understand their status in seconds Nice-to-haves (not mandatory but leave the code ready for them): sleep tracking, calorie intake, or other vitals if we decide to expand later. Acceptance criteria 1. App installs on both iOS and Android without crashes. 2. Reads heart-rate data accurately (±2 BPM of the source device) during a five-minute test. 3. Displays history graphs for at least 7 days. 4. Source code and build instructions delivered through GitHub or Bitbucket. If this sounds straightforward to you and you have past work integrating health sensors, let’s talk about timeline and milestones.
Project ID: 40477926
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50 freelancers are bidding on average ₹1,059 INR/hour for this job

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert
₹750 INR in 40 days
6.9
6.9

As a seasoned developer with over a decade of experience, we at Carol Data Technology fully understand the intricate world of mobile app development, specifically when it comes to health monitoring and data integration. Over the years, our team has successfully integrated various health sensors including Apple Watch and Fitbit. We have no doubt that implementing real-time heart rate tracking paired with a clean dashboard and user-friendly UI will be a smooth journey for us. In addition to our extensive skills in cross-platform development for iOS and Android, we’ve demonstrated proficiency in syncing data to cloud, preserving user privacy, and adopting crucial security measures. These are critical attributes that your project calls for given its nature. At the end of the day, our mission is to establish satisfying solutions for our clientele resulting in long-lasting business relationships. With this undying passion, an authentic commitment to quality and unbeatable client support even post-delivery, we are confident that choosing Carol Data Technology means embedding a reliable partner into your project for impeccable results. Let's create an exceptional app together!
₹750 INR in 40 days
6.8
6.8

Hello 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 and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹1,000 INR in 40 days
6.5
6.5

Health tracking apps are usually less about the dashboard and more about reliable sensor integration and data accuracy. For this project, we'd focus on: • heart-rate monitoring via wearables and mobile devices • real-time health dashboards • secure user authentication • cloud sync & backup • historical trends and alerts • scalable architecture for future health metrics The best approach would be integrating Apple HealthKit and Google Health Connect from the beginning so future expansion into sleep, activity, and wellness tracking becomes much easier. One question: do you want heart-rate tracking primarily through wearables, or should camera-based measurement also be a core feature from day one?
₹1,000 INR in 40 days
6.0
6.0

Building a no-fuss health app that tracks heart rate in real time and visualizes trends makes sense, and you’re right to focus on ease and accuracy. I've helped a wellness startup create a cross-platform app pulling heart-rate data from Apple Watch and Bluetooth straps, ensuring tight ±2 BPM reading accuracy. The key was prioritizing smooth Bluetooth integration and async data syncing without battery drains. For your app, would you prefer starting with camera-based heart-rate capture or pairing wearables first? The camera option is simpler but less stable than wearables under movement. Also, do you want threshold alerts customizable per user or fixed values? I suggest building clean, reusable components from day one, so adding sleep or calorie tracking later will be straightforward. Ensuring local encrypted storage synced to cloud backup can protect data privacy without slowing the app. I’m ready to draft a timeline focusing on your acceptance criteria and quick iterations for testing data accuracy and UI clarity. Let’s get this heart-rate tracking in users’ hands fast.
₹1,250 INR in 7 days
5.3
5.3

Hi! Your goal of letting users see real heart-rate data as they go about daily life is what makes this more useful than most fitness apps. Getting accurate readings from phone cameras or linking to wearables is the tricky bit—especially with Bluetooth devices. Built a health tracking app last year that connects to both Apple Watch and generic Bluetooth HR straps. The dashboard shows live BPM, trends, and sends alerts when a user crosses a set threshold. I’d build this in Flutter so you get one app for both iOS and Android, with a UI that keeps things simple for all ages. Cloud sync and secure login are clear—would use local storage with background backup to cloud. One quick question: do you want the first version to work without a wearable (just with a phone camera), or should I start with device integration first? Happy to send a sample flow diagram for free to help you see how I’d tackle the device and sync steps. You can also check similar projects at work.techindika.com. — Pradeep
₹1,000 INR in 40 days
4.5
4.5

With over a decade of diverse development experience, I am confident in my ability to create your dream health app. Through past projects, I have become particularly adept at health sensor integrations. This means I am ready and capable to tackle the heart-rate monitoring component of your app, whether it be through camera or wearables. My solid understanding of iOS and Android environments allows me to guarantee a crash-free installation across both platforms. As a Full Stack Developer, I go beyond just building apps by delivering clean code and effective user experiences. Understanding that simplicity is key for your audience, I can ensure your app has an intuitive interface that beautifully captures all the required metrics - such as displaying current heart rate, historical trends and basic alerts when needed. I pride myself on not just completing tasks but building lasting relationships. This means ensuring scalability and security in all my projects; as well as providing post-launch support to fine-tune any needs that may arise in the future. By choosing me to work on this project, you're selecting someone who will deliver value from start to finish and grow with you as you expand your app's functionality. Thank you for considering working with me - let's start turning your vision into reality!
₹1,000 INR in 40 days
4.8
4.8

Namaste, I’d love to support you in building a cross-platform health tracking application focused on accurate heart-rate monitoring and long-term wellness insights. With experience in Flutter/mobile app development, wearable integrations, cloud backends, and health-focused applications, we can deliver a reliable, scalable solution for both iOS and Android. What We’ll Deliver: . Cross-platform mobile app for iOS and Android . Heart-rate monitoring via camera-based PPG and wearable integrations . Apple Watch, Fitbit, and Bluetooth heart-rate device support . Real-time BPM dashboard with trends and threshold alerts . Secure authentication and cloud data synchronization . 7+ day historical analytics and visualization charts . Scalable architecture ready for sleep, calorie, and additional health metrics . Complete source code, documentation, and deployment guidance We focus on accuracy, performance, user-friendly design, and future expansion capabilities while maintaining a clean and maintainable codebase. Best regards, Amit Gupta Freelancer Profiles: [https://www.freelancer.com/u/iamamitgupta1994](https://www.freelancer.com/u/iamamitgupta1994) [https://www.freelancer.com/u/KavyaTechNepal](https://www.freelancer.com/u/KavyaTechNepal)
₹1,100 INR in 40 days
4.4
4.4

Hi , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Objective C, iOS Development, Mobile Development, Mobile App Development, User Interface / IA, Android App Development and iPhone. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Appreciate your prompt response
₹4,744 INR in 16 days
3.9
3.9

With my profound skills and experiences in mobile app development, I am confident to build a top-notch heart rate tracking app that adheres to your project's objectives. Furthermore, I possess prior experience integrating health sensors into applications, which directly aligns with the prime requirement of your project. Apart from recording BPM from varied sources including phone camera and wearables, my technical knowledge in AI would be an asset for any possible expansions such as sleep tracking and more. As a seasoned Full-Stack Developer focused on creating cloud-native architectures, I understand the significance of secure user login and data storage. My expertise in AWS, Azure, and Google Cloud ensures that the app will be reliable, efficient, and built to scale. With this background paired with skills in frontend interfaces, powerful backend systems, and API development, I guarantee to deliver a user-friendly yet robust dashboard that showcases current BPM statistics as well as history graphs for at least 7 days. In conclusion, what differentiates me from other bidders is my holistic skill set. From the moment we begin the project until its end, you can be assured of streamlined communication, efficient coding and timely delivery of tasks.
₹1,000 INR in 40 days
3.9
3.9

Hello, I'm Karthik, a Mobile App Developer with 10+ years of experience building healthcare, fitness, IoT, and cross-platform mobile applications. I can develop your Heart-Rate Tracking App for both iOS and Android with a clean, intuitive interface focused on real-time health monitoring and future scalability. ✔ Heart-rate monitoring via phone camera (PPG) and wearable integrations ✔ Apple Watch, Fitbit, and Bluetooth HR sensor connectivity ✔ Real-time BPM dashboard and trend analysis ✔ Custom threshold alerts and notifications ✔ 7+ days of historical graphs and insights ✔ Secure user authentication ✔ Local encrypted storage with cloud backup/sync ✔ Clean, user-friendly UI optimized for quick health checks ✔ Architecture ready for future features like sleep tracking, calories, and additional vitals Recommended Stack: Flutter + Firebase + HealthKit (iOS) + Google Health Connect + Bluetooth LE integrations Deliverables: ✔ Android & iOS applications ✔ Source code via GitHub/Bitbucket ✔ Build & deployment documentation ✔ API and database documentation ✔ Testing and launch support I have experience integrating wearable devices, health sensors, cloud synchronization, and analytics dashboards, ensuring accurate and reliable health data tracking. Available to discuss milestones and project timeline immediately. Best Regards, Karthik
₹2,000 INR in 40 days
2.8
2.8

Hello, I can build your cross-platform heart-rate tracking mobile app for iOS and Android with real-time BPM monitoring, wearable integration, trend analytics, secure cloud sync, and an intuitive health dashboard optimized for daily use. I have experience integrating health sensors, Bluetooth wearables, HealthKit/Google Fit APIs, real-time data visualization, and scalable mobile architectures while keeping the codebase ready for future features like sleep tracking, calories, and additional vitals.
₹1,000 INR in 40 days
2.2
2.2

The acceptance criteria caught my eye — ±2 BPM accuracy in a 5-min test and 7-day history graphs are very doable with the right sensor pipeline. We've shipped a React Native health app pulling live data from Apple HealthKit, Google Fit, and a paired BLE chest strap, with a BPM dashboard and threshold alerts. On another build we did camera-based PPG heart-rate detection as a no-wearable fallback, which fits your Apple Watch / Fitbit / generic strap approach. My plan: React Native for one iOS + Android codebase, native BLE bridges for wearables, secure local storage with cloud sync, and clean history charts. Source delivered via GitHub with build instructions, and the architecture leaves room to slot in sleep, calorie, and other vitals later without rework. Ping me — happy to walk through timeline and milestones. — Rohan, APIE TECH
₹1,100 INR in 40 days
1.5
1.5

As an experienced and accomplished full-stack development team, my colleagues and I are well-equipped to tackle your project. Particularly relevant to your health-tracking app, we have extensive experience integrating health sensors and developing cross-platform mobile applications (such as iOS and Android) with an emphasis on intuitive and clean user interfaces. Furthermore, our mastery in building secure backend systems and managing and syncing data using the cloud aligns closely with your project scope. Our agile development approach ensures that your app will be not only stable but also highly functional. For instance, for heart-rate monitoring, we consistently deliver ±2 BPM accuracy. Our track record is supported by positive client feedback, quick turnaround time of under 2-3 hours, and a 100% satisfaction rate. In conclusion, our comprehensive skillset, years of experience in creating performant mobile apps, our dedication to exceptional delivery at all stages of the project give us a competitive edge in meeting your requirements effectively. Choosing us would not only ensure successful realization of the current scope but also flexibility for any future expansion plans you may have (such as sleep tracking or monitoring calorie intake). Thank you for considering us to be part of this exciting journey!
₹900 INR in 40 days
0.0
0.0

⭐ I handled a similar project ⭐, Happy to show you what works before you commit. Successfully developed a cross-platform mobile app for real-time health tracking with a primary focus on heart-rate monitoring. Aligned with your project's goal of providing users with a simple way to monitor their heart's response to daily activities. Understand the importance of accuracy and user-friendly interface for health tracking apps. Specialize in delivering projects with a strong emphasis on performance, security, and a seamless user experience. Invite you to chat and explore your project further with a free consultation. Worst case, you walk away with a clearer understanding of your project. Kind regards, Curtley
₹950 INR in 7 days
0.0
0.0

With my broad experience in website and web application development, I'm well-equipped to create the kind of mobile app you're envisioning. Whether it's using React.js for a fast, responsive front-end or integrating REST APIs for dynamic data rendering, I've proven my ability to build functional, user-friendly apps that are ready to go live. While health sensor integration and creating a secure data storage system is new territory for me, my capability to adapt and learn quickly will ensure I deliver results in line with your expectations.
₹800 INR in 40 days
0.0
0.0

⭐⭐⭐⭐⭐ Senior Flutter Health App Developer ⭐⭐⭐⭐⭐ Hello there, I am a Flutter developer specialising in health tracking apps with heart rate monitoring, wearable integrations, and real-time BPM dashboards for iOS and Android. Camera-based heart rate detection via PPG (photoplethysmography) is achievable on most modern phones but accuracy varies significantly by device and lighting conditions — pairing with a Bluetooth HR strap or Apple Watch via HealthKit delivers the ±2 BPM accuracy your acceptance criteria requires far more reliably. Built Flutter health apps with Bluetooth HR device integration, real-time BPM display, threshold alerts, 7-day history graphs using fl_chart, local SQLite storage with Firebase cloud sync, and secure authentication. The codebase architecture leaves clean extension points for sleep tracking, calorie logging, and additional vitals without structural changes. HealthKit on iOS and Google Fit on Android provide the most reliable heart rate data when a paired wearable is available — the app checks for paired devices first and falls back to camera PPG if none are connected. Is the primary target users with existing wearables like Apple Watch or Fitbit, or should camera-based detection be the default for users without a paired device?
₹1,000 INR in 40 days
0.0
0.0

Hi, I understand you need a cross-platform heart-rate tracking app for iOS and Android with real-time monitoring, trend history, alerts, secure login, and future-ready support for additional health metrics. A few quick questions: • Do you want camera-based heart-rate tracking first or wearable integration first? • Which wearable devices are priority Apple Watch, Fitbit, or Bluetooth HR strap? • Do you prefer Flutter or React Native for development? • Should cloud sync use Firebase or your own backend? • Do you have UI references for the dashboard? I can build a clean and reliable app with accurate heart-rate tracking, 7-day history graphs, secure sync, and scalable structure for future health features. Regards, Mohd
₹1,200 INR in 40 days
0.0
0.0

Hello, I can build your cross-platform heart-rate tracking app for iOS and Android with secure login, live BPM dashboard, alerts, 7-day history graphs, local storage, and cloud sync. I can structure the app using React Native or Flutter and integrate heart-rate data through the most practical source for your MVP, such as HealthKit, Google Fit/Health Connect, Bluetooth HR strap, or camera-based detection if required. For accuracy, I would recommend wearable or Bluetooth-based tracking first. The code will be clean, scalable, and ready for future features like sleep tracking, calories, and other vitals. I can deliver the source code through GitHub/Bitbucket along with build instructions and testing support.
₹1,000 INR in 40 days
0.0
0.0

We've worked on a project with a very similar scope, giving me strong insight into delivering quality results efficiently. I understand the importance of a clean user-friendly UI for high-end customers. Let's discuss your heart-rate tracking app project further—walk away with a free consultation. Regards, Nabeel Ismail
₹750 INR in 7 days
0.0
0.0

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