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Here are the full detailed requirements for the project: **Platform:** * iOS + Apple Watch (watchOS) only * No Android version required **Project Overview:** I want to build a fully functional Apple Watch + iPhone app that can detect scratching/itching behavior using motion data from the Apple Watch. The Watch should handle real-time detection, and the iPhone app should display insights, history, and related health data. **Very Important:** This project must include a **machine learning model** for scratch/itch detection. I do not want just a basic rule-based prototype. A heuristic version can be used only as an early testing step, but the final product must include a proper ML-based detection system. **Apple Watch App Requirements:** * Motion data collection using Apple Watch sensors: * Accelerometer * Gyroscope * Real-time scratch/itch detection on the watch * Haptic feedback when scratching is detected * Notifications/alerts when needed * Efficient battery usage * Sync events and relevant data to the iPhone app * Smooth communication with iPhone using WatchConnectivity **iPhone App Requirements:** * Clean, modern, production-quality UI * Built in SwiftUI * Dashboard showing: * Detected scratching events * Daily / weekly / monthly trends * Event history * User feedback flow so I can confirm whether detections were correct * Data storage and syncing * Settings and controls for notifications and app behavior **Machine Learning Requirements:** * A real ML model must be developed for detecting scratching behavior * The model should use Apple Watch motion data as the main input * The system should be structured so the model can improve over time with more labeled data * Core ML integration is preferred for on-device inference * I want the developer to explain: * how training data will be collected * how the model will be trained * how it will be tested for accuracy * how false positives will be reduced * The final implementation should be designed for real-world usage, not just demo/testing **Health Integration (Apple Health / HealthKit):** The app should integrate with Apple Health and gather/display: * Sleep data * Heart rate / pulse * Temperature, if available from the device/data source * Exercise / activity / fitness data This should work as part of a complete health and wellness tracking experience. **Design / UX Expectations:** * Clean, polished, modern UI * Similar quality level to Apple Health / Apple Fitness type apps * Not a rough prototype * Should feel like a real consumer app that can be published **Important Requirement for Developer:** You must have your **own Apple Watch** for proper development and real-device testing. This project cannot be done properly using simulator only, because the scratch detection depends on live sensor data from the watch. **Performance Requirements:** * Real-time detection should work reliably * ML model should be optimized for watch/iPhone performance * Battery usage should be carefully considered * False positives should be minimized as much as possible * Watch and iPhone syncing should be stable **End Goal:** The final goal is a **fully developed, polished, App Store-ready product** that: * Detects scratching/itching with a machine learning model * Works reliably in real-world conditions * Includes haptic feedback and notifications * Tracks and displays sleep / pulse / temperature / heart rate / exercise / fitness data * Has a clean, modern, fully finished UI * Feels like a complete health/wellness app that can be downloaded from the Apple App Store **Deliverables:** * Full source code * Apple Watch app * iPhone app * Integrated ML model * HealthKit integration * App Store-ready build * Support for testing and bug fixes **What I Need From You:** * Confirmation that you own an Apple Watch * Your proposed ML approach for scratch detection * How you will handle training data and model accuracy * Timeline * Total cost * Examples of relevant Apple Watch / iOS / ML / health apps you have built I do not have final mockups yet, but I want a clean Apple-style health app design. You can also send sample UI references or similar app examples if you have them. Please send me: 1. your total price 2. estimated timeline 3. your ML approach 4. whether you have your own Apple Watch 5. examples of similar work
Project ID: 40366315
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122 freelancers are bidding on average £665 GBP for this job

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot 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
£600 GBP in 7 days
9.6
9.6

⭐️⭐️⭐️⭐️⭐️ Apple Watch Scratch Detection App (ML + HealthKit) ⭐️⭐️⭐️⭐️⭐️ I understand you need a production-grade iOS + watchOS app with real-time scratch detection powered by a true ML model, plus a polished health dashboard and Apple Health integration. Key Features: • Apple Watch real-time motion tracking + ML-based detection • Core ML model with continuous learning & accuracy tuning • SwiftUI iPhone app (dashboard, trends, feedback loop) • HealthKit integration (sleep, heart rate, activity, etc.) • Haptic alerts, notifications & optimized battery performance Let’s Chat… Thanks
£580 GBP in 12 days
9.3
9.3

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to develop an itch detection app for iOS and Apple Watch. This app will help users identify and track itchiness effectively. I’ve worked on several similar mobile applications and understand the key technical challenges involved. My approach will be to create a user-friendly interface while ensuring seamless integration with both iOS and watchOS features like notifications and health data visualization. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – What specific features do you envision for tracking and visualizing itch levels? Q2 – Are there any existing systems or APIs you'd like to integrate with? Q3 – What user roles do you anticipate for the app, and will there be any authentication required? Looking forward to hearing from you.
£600 GBP in 11 days
8.1
8.1

LET’S BUILD A REAL ML-POWERED APPLE WATCH APP THAT DELIVERS ACCURATE SCRATCH DETECTION—NOT JUST A DEMO. With 12+ years in iOS, AI/ML, and wearable apps, I have built sensor-based applications with real-time processing and Core ML integration, perfectly aligned with your requirements. Device Confirmation: Yes, Apple Watch + iPhone available for real-device testing. Approach & Workflow: User wears watch → motion data (accelerometer + gyroscope) captured → ML model detects scratching → haptic alert → data synced to iPhone → dashboard shows insights → user feedback improves model. Core Features: Real-time scratch detection (Core ML on-device) Haptic feedback & smart alerts SwiftUI iPhone dashboard (history, trends, insights) User feedback loop for model accuracy improvement HealthKit integration (sleep, heart rate, activity, temperature) Secure data sync via WatchConnectivity ML Strategy: Collect labeled motion data via app Train time-series model (LSTM/CNN) → convert to Core ML Continuous improvement using user feedback False positive reduction via confidence scoring & filters User Roles: End User, Admin (model/data monitoring) Experience: Built wearable + health apps with ML-based detection and real-time analytics. Timeline: 6–8 weeks Cost: $6k–$9k I focus on delivering a production-ready, accurate, and scalable health app ready for App Store launch. Let’s build this right.
£900 GBP in 15 days
8.3
8.3

Hey, I will build your Apple Watch + iPhone itch detection app — real-time motion capture, Core ML scratch detection model, HealthKit integration, and a polished SwiftUI dashboard with trends and event history. For the ML approach, I will start by collecting labeled accelerometer and gyroscope data from real scratch sessions on-device, then train a lightweight temporal classification model (likely a 1D CNN or small LSTM) and convert it via Core ML Tools. On-watch inference keeps latency low and battery impact minimal. A user feedback loop — where you confirm or reject detections — will generate labeled data to retrain and reduce false positives over time. I do own an Apple Watch and will test entirely on-device. Looking forward to potentially working together. Thanks, Kamran
£595 GBP in 13 days
7.4
7.4

Hi, You’re building more than a Watch app—the real goal is a reliable detection system that works in everyday conditions, not just controlled testing. Success here depends on accuracy and user trust, not just feature completion. The biggest risk is false positives from normal wrist motion, which usually comes from weak training data rather than the model itself. If labeling and feedback loops aren’t structured properly early, the model won’t improve in real usage. I’d approach this by starting with a lightweight heuristic layer for data collection, then building a Core ML pipeline trained on labeled motion segments, with continuous feedback from the iPhone app to refine accuracy over time. The system should be designed to learn, not just detect. I’d begin with defining the data collection and labeling strategy before model training.
£600 GBP in 7 days
6.7
6.7

Hi there, I have read your project requirement. You need an iOS + Apple Watch app with real-time scratch detection using a machine learning model, HealthKit integration, and a clean, production-ready Apple-style UI. We will build a native solution using SwiftUI and watchOS with Core ML for on-device detection. The app will include motion data processing, real-time detection with haptic feedback, seamless Watch–iPhone sync, HealthKit data integration, and a polished dashboard with insights and history. The system will be optimized for accuracy, low battery usage, and App Store readiness. Questions: ========= Do you already have labeled motion data for training or should we collect it? Should the ML model support continuous improvement via user feedback? Do you require any specific health compliance or certifications? What is your expected timeline for MVP vs full launch? Best Regards, Srashtasoft Team
£600 GBP in 7 days
6.7
6.7

Hello, I understand you want an Apple Watch and iPhone app that detects scratching with real-time data from watch sensors using a true machine learning model, not just a simple rule system. The watch would track movement with accelerometer and gyroscope, give haptic feedback, and sync data with the iPhone app. The iPhone side will display clear daily and monthly trends, event history, and gather related health data from Apple Health. I will ensure the ML model runs efficiently on the watch and improves accuracy over time. Battery use and false positive reduction will be priorities, building a clean, polished, Apple-style health app that feels professional and ready for the App Store. I have my own Apple Watch for accurate testing. To make sure I fully understand your needs, How do you plan to provide or collect labeled training data for the scratch detection model to improve accuracy over time? Looking forward to working together. Best regards,
£700 GBP in 27 days
6.3
6.3

Hello There!!! ★★★★ (Apple Watch + iOS ML-based itch/scratch detection health app with CoreML integration) ★★★★ Project understanding: I understand you need a production-level Apple Watch + iOS app that uses real-time motion data and a proper ML model to detect scratching/itching behavior. The system includes Watch-based detection, iPhone analytics dashboard, HealthKit integration, and App Store ready polished UI. ⚜ Apple Watch app (accelerometer + gyroscope real-time tracking) ⚜ CoreML-based scratch/itch detection model development ⚜ iPhone SwiftUI dashboard with trends & history ⚜ WatchConnectivity sync between Watch and iPhone ⚜ HealthKit integration (sleep, HR, activity, etc.) ⚜ Haptic feedback + smart notifications system ⚜ Clean Apple-style UI/UX (fitness-grade design) I have experience in iOS development, wearable sensor data handling, and ML integration using CoreML for real-time prediction systems. Approach: I will start with sensor data pipeline, design ML model training flow (labeled motion datasets), implement CoreML inference on-device, then build SwiftUI dashboard and ensure low-latency Watch–iPhone sync with battery optimization. Let’s connect to discuss ML strategy and timeline in detail. Warm Regards, Farhin B.
£500 GBP in 10 days
6.5
6.5

Hi, To build a fully functional Apple Watch and iPhone app for detecting scratching behavior, I'll develop a machine learning model that utilizes motion data from the Apple Watch. This will include: - Real-time scratch/itch detection using accelerometer and gyroscope data. - A clean, modern UI in SwiftUI for the iPhone app. - Integration with Apple Health for tracking relevant health metrics. - A structured approach to training and testing the ML model to ensure accuracy and reliability. - Efficient battery usage and smooth communication between the watch and iPhone. I will handle the work by utilizing Core ML for on-device inference, ensuring that the app is optimized for performance and user experience. Ready to start once you provide confirmation of your Apple Watch ownership and any additional details. Thanks!
£1,400 GBP in 30 days
5.9
5.9

✋ Hi There!!! ✋ THE GOAL OF THE PROJECT:- BUILD A REAL-TIME APPLE WATCH AND IOS HEALTH APP WITH MACHINE LEARNING BASED SCRATCH DETECTION, HEALTH DATA TRACKING, AND POLISHED APP STORE READY EXPERIENCE I have carefully gone through your complete requirement and understand you need a production-level iOS and Apple Watch application that detects scratching behavior using real motion data along with ML-based intelligence, not a simple rule-based system, plus a clean iPhone dashboard with HealthKit integration and real-world performance optimization. I am the best fit for this project because I specialize in iOS, watchOS, and machine learning based health and sensor-driven applications with focus on production stability and Apple ecosystem standards. I will ensure 1. ML based scratch detection model using motion data with proper training and testing strategy 2. SwiftUI based Apple Watch and iPhone app with smooth real-time sync and HealthKit integration 3. clean architecture with battery optimized real-time processing and App Store ready deployment I provide UI design, backend integration, database management, ML integration, testing, optimization, and full source code delivery at project completion. I have 9+ years experience as a full stack developer working on mobile and AI driven systems including wearable and health applications. Looking forward to chat with you for make a deal Best Regards Elisha Mariam
£555 GBP in 16 days
5.5
5.5

⭐⭐⭐⭐⭐ Build an Apple Watch & iPhone App for Scratch Detection Using ML ❇️ Hi My Friend, I hope you are doing well. I reviewed your project needs and see you are looking for an Apple Watch and iPhone app to detect scratching behavior. You don't need to look further; Zohaib is here to help you! My team has completed over 50 similar projects for health and wellness apps. I will create a real-time detection system using motion data, ensuring a user-friendly experience on both devices while staying within your budget. ➡️ Why Me? I can easily develop your Apple Watch and iPhone app as I have 5 years of experience in mobile app development, focusing on Swift, machine learning, and health integration. My expertise includes UI design, real-time data processing, and Core ML integration. I also have a strong grip on other relevant technologies, ensuring a thorough approach to your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Swift Programming ✅ Core ML Integration ✅ Apple Watch Development ✅ iPhone App Development ✅ Real-Time Data Processing ✅ User Interface Design ✅ HealthKit Integration ✅ Motion Data Analysis ✅ Haptic Feedback Implementation ✅ Battery Optimization ✅ Data Syncing ✅ Machine Learning Model Development Waiting for your response! Best Regards, Zohaib
£550 GBP in 2 days
5.3
5.3

Hi I can build this as a real Apple ecosystem product with a native watchOS + iPhone stack in Swift/SwiftUI, with the Watch handling live motion capture and the iPhone app delivering insights, feedback loops, and HealthKit views. The hardest part is not the UI but achieving reliable scratch detection with low false positives and acceptable battery usage, so I would solve that with a staged ML pipeline: live sensor capture, labeled training sessions, feature extraction/windowing, model training, Core ML optimization, and on-device inference tuned for watch performance. My approach would start with a heuristic baseline for data collection only, then move to a proper ML classifier using accelerometer + gyroscope data, validated against user-confirmed events to improve accuracy over time. I would structure the app around WatchConnectivity sync, local persistence, HealthKit integration for sleep/heart/activity data, haptic feedback, and a polished Apple-style dashboard for trends and event history. Yes, real-device testing is essential for this, and I understand the need for actual Apple Watch sensor validation rather than simulator-only development. You would receive the watch app, iPhone app, integrated Core ML model, HealthKit support, App Store-ready build, and bug-fix support after delivery. Thanks, Hercules
£600 GBP in 7 days
5.1
5.1

Hi! i have gone through your project details, and i am confident we can help you out! we have worked on similar projects before, and we have got the expertise to deliver exactly what you are looking for. how about we set up a quick meeting to chat through everything? that way, i can give you a detailed plan, timeline, and budget, plus share some of our past work to give you a sense of what we can do. let me know a time that works for you! looking forward, Mughiraa
£600 GBP in 7 days
4.9
4.9

Hello, With 4 years of experience in iOS Development, I am well-equipped to handle your project. I understand the requirements for developing an Itch Detection App for iOS/Apple Watch. The project will involve building a fully functional Apple Watch + iPhone app that detects scratching/itching behavior using motion data and a machine learning model for accurate detection. I have expertise in Mobile App Development, Apple Watch, iOS Development, and Data Visualization skills. I have thoroughly reviewed the project details and am confident in delivering a professional solution. Let's discuss further in chat to explore the project details and requirements. Looking forward to connecting. Best regards, Taimoor from Pixels Soft Please connect in chat for further discussion.
£600 GBP in 7 days
4.7
4.7

Hi, Your project is exactly the kind of product that needs to be built carefully from both an app and machine learning perspective, and I’d be excited to help develop it into a polished, App Store-ready health app. I would build this as a native iPhone + Apple Watch solution in SwiftUI, using Core Motion, WatchConnectivity, HealthKit, and Core ML for a reliable real-time scratch detection pipeline. My approach would start with motion-data collection from the Apple Watch accelerometer and gyroscope, then use labeled time-series data to train a supervised ML model for scratch/itch detection. A lightweight heuristic layer can help with early testing, but the final system would rely on an optimized ML classifier for on-device inference. For model quality, I’d structure the app to collect labeled watch-motion sessions, validate detections through user feedback, and use that data to improve the model over time. Testing would focus heavily on reducing false positives by comparing scratching patterns against similar wrist movements such as walking, exercise, and sleep repositioning. The final model would be converted to Core ML and tuned for battery efficiency, low latency, and stable real-world performance. The iPhone app would include a clean Apple-style dashboard for event history, daily/weekly/monthly trends, settings, and HealthKit insights including sleep, heart rate, activity, and available temperature data.
£600 GBP in 7 days
4.6
4.6

Hii, I understand your requirement—you need a production-ready iOS + Apple Watch app that accurately detects scratching using a real ML model, with seamless syncing, HealthKit integration, and a polished Apple-style UI. With 8+ years in iOS, watchOS, and Core ML development, I have hands-on experience building sensor-driven health apps and I do own an Apple Watch for real-device testing. ✔ Apple Watch app using accelerometer + gyroscope for real-time motion capture ✔ ML-based scratch detection using Core ML (trained on labeled motion datasets) ✔ Haptic alerts + smart notifications with optimized battery usage ✔ SwiftUI iPhone app with dashboard, trends, history & feedback loop ✔ HealthKit integration (sleep, heart rate, activity, etc.) ✔ Continuous learning pipeline to improve model accuracy & reduce false positives ✔ Stable WatchConnectivity sync + secure local data storage >>ML Approach: Data collected from real users → labeled for scratch vs non-scratch → trained using time-series models → optimized and deployed via Core ML for on-device inference. >>Workflow: Collect & label motion data → train & validate ML model Integrate model into Watch app → sync insights to iPhone UI I’ve built similar health-focused and ML-integrated apps and can deliver a smooth, App Store-ready product with real-world reliability. sushma
£500 GBP in 7 days
5.0
5.0

Greetings! You need an Apple Watch and iPhone app for scratch detection using motion data. Real ML model, not rule-based. HealthKit integration for sleep, heart rate, temperature, activity. Polished UI, App Store ready. I can help build that for you. Here is my approach: Collect motion data (accelerometer, gyroscope) from Apple Watch during labeled scratching and non-scratching activities Train a Core ML model using time-series classification (LSTM or 1D CNN) Optimize model for on-device inference with low latency and battery efficiency Integrate model into watchOS app for real-time detection Trigger haptic feedback and sync events to iPhone Build SwiftUI iPhone app with dashboard, history, trends, and user feedback Integrate HealthKit for sleep, heart rate, temperature, and activity data Design clean, modern UI similar to Apple Health Send me your timeline and budget. I will share examples of similar work. Thanks, Revival
£500 GBP in 30 days
4.1
4.1

Hi there! Do you have any preferred data labeling strategy in mind for training the scratch detection model? Regardless, this is definitely something that I feel confident delivering on, given my past experience. I would love to discuss your project further! Looking forward hearing from you. Kind Regards, Corné
£500 GBP in 14 days
3.8
3.8

I can develop a fully functional Apple Watch and iPhone application with real-time itch detection powered by a machine learning model. The Apple Watch app will collect accelerometer and gyroscope data, run on-device ML inference using Core ML for real-time detection, trigger haptic feedback and sync all events reliably to the iPhone via WatchConnectivity. The iPhone app will be built in SwiftUI with a Apple-style interface, showing dashboards for detected events, trends, history, and user feedback to continuously improve detection accuracy, along with full HealthKit integration for sleep, heart rate, temperature, and activity data. For the ML approach, I will design a pipeline where motion data is collected and labeled then used to train a supervised model. The model will be optimized and converted to Core ML for efficient on-device inference, with strategies in place to reduce false positives and improve accuracy over time through iterative retraining. Lets chat Best regards, Shawana
£600 GBP in 16 days
3.8
3.8

London, United Kingdom
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