
Closed
Posted
Paid on delivery
Mobile App for Wearable Safety Device (iOS & Android) I am developing a wearable safety device called NeoLifeGuard for hazardous work environments (construction, industrial sites). I need a mobile app that connects via Bluetooth Low Energy (BLE) to our device. The app’s main purpose is to receive real-time alerts, track user location, and display team status. Core Requirements: 1. BLE Connectivity: * Connect to NeoLifeGuard devices (multiple users). * Receive emergency alerts from devices. * Receive device ID and location data. 2. Real-Time Alert Display: * Show which user activated an alert. * Show current location of the user. * Support group notifications for teams. 3. Simple UI: * Minimalist, easy to read interface. * List of all team members and their status (safe / alert). 4. Optional Features: * Firmware update notifications (if device supports it). * Acknowledge false alarms from app. Platforms: * iOS and Android. Deliverables: * Fully functional mobile app connecting to NeoLifeGuard via BLE. * Clean, maintainable code. * Documentation on app-device communication for future updates. Budget: * Open to proposals, prefer straightforward apps without unnecessary complexity. Timeline: * Prefer prototype/demo as soon as possible.
Project ID: 40431547
116 proposals
Remote project
Active 22 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
116 freelancers are bidding on average $643 USD for this job

With our long-standing experience in mobile app development and an in-house team specializing in hardware and IoT solutions, ZAWN Tech is the ideal choice for your NeoLifeGuard wearable app project. We fully understand the unique demands of your safety device and its essential role in hazardous environments. Our expertise with Bluetooth Low Energy (BLE) technology will ensure an efficient and reliable connection between the app and your devices, allowing for seamless transmission of emergency alerts, device ID, and location data. We recognize the significance of real-time information during emergencies, which is why we'll design the app to display not only which user activated an alert but also their current location. Additionally, our deep understanding of team dynamics will be valuable in implementing group notifications to further enhance safety measures. Our commitment to simplicity and user-friendly design aligns perfectly with your vision for a clear, minimalistic interface that displays team status comprehensively. Moreover, when partnering with ZAWN Tech, you're not only investing in a well-polished end product but also in long-term support and maintenance.
$750 USD in 7 days
9.1
9.1

Hello!! " BLE Connected Safety Wearable App" I have similar kind of expertise and work experience. I have carefully reviewed your NeoLifeGuard BLE safety wearable app requirement and understand this is a real-time, reliability-critical system for hazardous environments where stable BLE communication, instant alerts, and clear UI are essential. With 10+ years of experience in mobile development (iOS + Android), Bluetooth Low Energy integration, real-time systems, and device-to-app communication, I can build a robust and production-ready solution for both platforms. I am interested in this project. Lets connect to discuss the project in detail so that we can proceed with the Thanks.
$250 USD in 7 days
8.4
8.4

Hello, I understand you need a cross‑platform BLE app for NeoLifeGuard that connects to multiple devices, streams real‑time alerts, tracks location, and shows team status with a clean, minimalist UI. I will build a robust BLE layer to manage several devices, handle alert events, fetch device IDs and location, and present a simple dashboard for both iOS and Android. The app will support group notifications, alert acknowledgment, and false‑alarm workflows, with optional firmware update notifications. The architecture will be modular, with clear, maintainable code and documentation detailing the device‑communication protocol to ease future updates. I’ll deliver a ready prototype quickly and follow with a polished version, ensuring easy maintenance and a smooth UX that suits hazardous work environments. Draft a probing question about the project's requirements for the client, tone should be Energetically Inspirational Best regards,
$750 USD in 28 days
7.0
7.0

Hi Steven S., Last week I delivered a very similar BLE safety wearable app, so I’m confident I can handle this really well. i would like to know the below. - Do you already have the BLE GATT spec (services/characteristics) for alert, device ID, location and optional DFU? - How should team status sync: phone-to-device only, or via a cloud backend (e.g., Firebase/AWS) with push for group alerts? I think we should. - Use Flutter + flutter_reactive_ble with small native modules for iOS state restoration and Android foreground service. One codebase, stable BLE. - Add offline-first queues for alerts/acks so data is not lost during flaky BLE/network; push fallback if BLE drops. Lets follow a plan like this. - I confirm alert types, team roles, data fields, and ack/false-alarm rules. - I implement BLE scan, filter by NeoLifeGuard, connect, bond if needed, subscribe to Notify, and parse payloads. - I build a clean list UI: member, status (safe/alert), timestamp, and quick map view. - I add realtime alerts in foreground/background with reliable notifcations. - I capture location with balanced accuracy to protect battery and privacy. - I integrate team sync (if needed) using Firebase/Auth and topic notifications. - I add optional firmware update notice using Nordic Secure DFU. - I test multi-device, disconnects, low battery, and app restarts on iOS/Android. - I optimize, document the app–device protocol, and provide handover and support
$750 USD in 16 days
6.9
6.9

⭐⭐⭐⭐⭐ • NeoLifeGuard BLE Safety App Proposal: CnELIndia is excited to develop your iOS & Android mobile app for seamless BLE connectivity to NeoLifeGuard wearable devices in hazardous environments. • Key Features: Secure BLE linking to multiple devices, real-time emergency alerts with user/location details, team status dashboard (safe/alert), group notifications, and minimalist easy-to-read UI. • Optional Support: Firmware update notifications and false alarm acknowledgments. • CnELIndia Team Steps for Success: Kickoff call to finalize BLE protocol and specs. Deliver working prototype/demo in 2-3 weeks. Agile full development using Flutter for fast cross-platform results. Rigorous testing with real devices and clean maintainable code. Provide complete documentation and handover support. • Flexible budget and timeline focused on straightforward reliable delivery. Let's schedule a call to proceed.
$500 USD in 7 days
7.0
7.0

Hi there, I have read your project requirement. You need a mobile application for iOS and Android that connects with your NeoLifeGuard wearable device via Bluetooth Low Energy (BLE) to provide real-time alerts, team monitoring, and user location tracking for hazardous work environments. We have experience building BLE-enabled mobile applications, IoT device integrations, real-time monitoring systems, and cross-platform apps with clean and scalable architecture. We can develop a lightweight and reliable application focused on fast BLE communication, alert handling, and smooth team-status visualization. Recommended Stack: • Flutter / Native iOS & Android • BLE Communication Layer • Real-time Alert & Team Status System • GPS/Location Tracking • Firebase Notifications & Logging A few questions: ============== Do you already have BLE service/characteristic documentation for NeoLifeGuard devices? Will location data come directly from the wearable or the mobile device GPS? Do you require background BLE scanning and alert handling when the app is closed? Should team alerts sync through cloud backend or local BLE communication only? Best Regards, Srashtasoft Team
$500 USD in 7 days
7.1
7.1

Hello! This is James from Hollywood, and I’m excited about your BLE Connected Safety Wearable App project. I’ve carefully read your description and believe I’m the right fit, given my 15 years of experience in mobile app development and a strong background in Bluetooth Low Energy technology. To ensure I fully understand your vision, could you please clarify the following questions? 1. What specific features do you envision for the app to enhance user safety? 2. Are there any particular integrations or platforms you want the app to work with? 3. What is your timeline for the project completion? My approach to this project would involve structured phases: starting with user experience research to identify key features, followed by iterative development and rigorous testing to ensure a reliable and user-friendly app. I have extensive experience in developing cross-platform mobile apps using React Native, and I’ve worked on similar projects that focus on real-time data sync and secure API integrations. For example, I developed a safety monitoring app for a health tech startup and a personal safety alert system that received positive feedback from users. I’m eager to bring your vision to life. Let’s discuss how we can work together to create a standout solution. Looking forward to your response!
$500 USD in 5 days
6.2
6.2

Hi, I can build the NeoLifeGuard mobile application for iOS and Android with reliable Bluetooth Low Energy connectivity, real-time alert handling, and a clean interface optimized for safety-critical environments. I have strong experience with Flutter, BLE integrations, real-time notifications, location tracking, and mobile applications for connected devices. I recommend Flutter for a single cross-platform codebase, allowing rapid development while maintaining native-level performance on both iOS and Android. The app will connect to NeoLifeGuard devices, receive emergency alerts, display the triggering user and location, and provide a team dashboard showing each member’s current status. Optional features such as false alarm acknowledgment and firmware update notifications can be added cleanly if supported by the device firmware. I will deliver well-structured source code, communication documentation, and a working prototype as early as possible so the BLE protocol and alert flow can be validated before full development. Best, Justin
$500 USD in 7 days
6.4
6.4

Hello There!!! ★★★★ (BLE-connected real-time safety wearable app for industrial emergency monitoring system) ★★★★ Project understanding: I understand you need a cross-platform mobile app (iOS & Android) that connects to your NeoLifeGuard wearable via BLE, receives real-time alerts, tracks user status/location, and displays team safety information in a simple, reliable interface. ⚜ BLE integration for multi-device connection and real-time data sync ⚜ Emergency alert system with user ID and location tracking display ⚜ Team dashboard showing status (safe / alert) in real time ⚜ Minimal, clean UI optimized for quick reading in emergencies ⚜ Optional firmware update notification handling support ⚜ Acknowledge/clear false alarm functionality ⚜ iOS + Android development with stable BLE communication layer I have experience in mobile app development with real-time systems, IoT/BLE integrations, and cross-platform apps where reliability and fast response are critical. I use Flutter or native approach (based on BLE stability needs), ensuring smooth device communication and clean architecture for future device scaling. I will focus on stable BLE pairing, low-latency alert handling, and a very simple UI so users can act quickly in safety situations. Let’s connect and I can quickly outline a prototype approach for your device. Warm Regards, Farhin B.
$256 USD in 10 days
6.6
6.6

Hi there, We’ve developed several mobile apps that connect with BLE devices, including a safety-focused app for construction workers. This app connects with smart helmets to monitor worker vitals and alert managers in case of emergencies. We also built a dedicated manager app to manage multiple workers and receive real-time alerts. For your project, we can leverage our existing expertise in BLE and IoT to deliver a robust solution. We can also provide a fully functional web dashboard for managers to manage users and view alerts, which can be integrated with Azure AD for seamless login. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m looking forward to hearing more about this exciting project. Best, Adil
$507.50 USD in 7 days
5.9
5.9

Hello, With 4 years of experience in Mobile App Development and expertise in BLE technology, I am well-equipped to assist with your BLE Connected Safety Wearable App project. I understand the requirements for developing a mobile app that connects to the NeoLifeGuard device via BLE, receives real-time alerts, tracks user location, and displays team status. I have carefully reviewed the project details and am confident in my ability to deliver a professional solution that meets your needs. My skills include Mobile App Development, iPhone, Android, Software Development, Mobile App Testing, BLE, Documentation, and User Experience Research. I would love to discuss this project further with you. Please feel free to connect in chat for a more in-depth conversation. Best regards, Taimoor from Pixels Soft
$500 USD in 7 days
5.5
5.5

As a seasoned professional with over eight years of experience in mobile app development, I am well-versed in the intricacies of designing and creating applications like the one you need for NeoLifeGuard. My expertise in both iOS and Android platforms will enable me to deliver the functional mobile app that connects seamlessly to NeoLifeGuard via BLE. I have a keen understanding that simplicity is key, especially concerning user interface. My approach to design focuses on minimizing complexity while maximizing readability and ease of use. This will ensure efficient tracking and display of team status as well as timely reception and identificaion of emergency alerts. Furthermore, I understand the value of maintaining clean and documented code for future updates, which is why I incorporate best practices in these areas throughout my work. This dedication to clear documentation stems from my belief in transparency and accountability, both qualities that have significantly contributed to building long-term relationships with clients I've worked with. As such, I am confident that I am the best fit for your project, and we can absolutely create something outstanding together!
$1,000 USD in 40 days
5.5
5.5

✋ Hi There!!! ✋ The Goal of the project:- DEVELOP A BLE CONNECTED MOBILE APP FOR NEO-LIFEGUARD WEARABLES TO RECEIVE REAL-TIME ALERTS, TRACK USER LOCATION, AND DISPLAY TEAM STATUS. I have carefully read and understood your requirement for a clean, functional iOS and Android app that connects via BLE to multiple wearable devices. I am the best fit for this project because of my strong experience in mobile BLE integration and real-time alert systems. I will provide: 1. BLE connectivity with multiple devices and real-time alert handling 2. Simple, intuitive UI showing team members and alert status 3. Documentation for future updates and maintainable code I have 9+ years experience as a full stack developer and have delivered similar safety and BLE-connected wearable apps. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$251 USD in 11 days
5.5
5.5

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have developed BLE-connected mobile apps linking multiple devices for real-time safety monitoring, ensuring seamless alert and location sharing. From my experience, the key to success in such projects lies in flawless BLE communication with multiple devices under varied environments. Approach: ⭕ I will implement stable BLE connectivity to your NeoLifeGuard devices for multi-user alert and location data reception. ⭕ Design a minimalist, user-friendly interface displaying team members’ status clearly. ⭕ Enable real-time alert notifications and group communication features. ⭕ Provide optional firmware update alerts and false alarm acknowledgement. ⭕ Deliver clean, maintainable code and detailed documentation on app-device integration. ❓ Could you clarify if there are any specific BLE protocols or SDKs currently used for NeoLifeGuard? ❓ What is the expected maximum number of users to connect simultaneously? ❓ Do you have design guidelines or preferences for the app UI? I am confident my expertise in BLE mobile app development and safety device integration will deliver a reliable and user-centric app meeting your requirements perfectly. Looking forward to contributing to NeoLifeGuard’s success. Best regards, Nam
$550 USD in 5 days
5.2
5.2

Hello There! I’m an experienced full-stack and mobile developer specializing in React Native, BLE integrations, and real-time systems, with over 10 years of experience building scalable cross-platform applications. I understand you need a mobile app connecting to your NeoLifeGuard device via BLE, handling real-time alerts, location tracking, and team status display with a clean UI. I’ve built similar apps involving BLE communication, live data syncing, and alert-based systems. My skills in React Native, BLE, Node.js, real-time APIs, and mobile UI ensure reliable performance. Feel free to share more details. I’m ready to start immediately and discuss further. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 USD in 5 days
5.3
5.3

Hello! As per your project post, you’re looking to build an BLE Connected Safety Wearable App for the NeoLifeGuard device that enables real time safety monitoring in hazardous work environments. The goal is to create a reliable and responsive mobile application that connects with wearable devices via BLE, delivers instant emergency alerts, tracks user locations, and provides clear team status visibility for improved worker safety. My focus will be on delivering a complete mobile application solution, featuring: BLE connectivity with NeoLifeGuard devices, real time emergency alert handling, live user location tracking, team status dashboard with safe and alert indicators, group notifications, minimalist and easy to use UI, false alarm acknowledgement support, and firmware update notifications if supported by the device. I specialize in building cross platform mobile applications using Flutter and React Native with expertise in BLE communication, real time tracking systems, cloud integration, and secure mobile architectures. My focus will be on creating a dependable safety monitoring solution with clean and maintainable code that supports future scalability and device updates. Let’s connect to review the BLE communication flow, alert handling process, and user management requirements so we can finalize the development roadmap and deployment strategy. Best regards, Nikita Gupta.
$500 USD in 45 days
5.4
5.4

Hi, I have carefully reviewed your project requirements for the NeoLifeGuard wearable safety device app. With extensive experience in mobile app development, particularly with BLE connectivity for iOS and Android platforms, I am confident in delivering a robust, real-time alert system tailored for hazardous environments. I will ensure seamless connection to multiple devices, clear display of alerts and user locations, and a minimalist UI that prioritizes quick readability and team status tracking. Optional features like firmware update notifications and false alarm acknowledgment can also be integrated to enhance functionality. I propose starting with a prototype within 10 days to showcase basic connectivity and alert features, followed by iterative improvements and documentation for future updates. This approach aligns with your need for simplicity and timely delivery. Could you please specify the maximum number of devices/users the app should support simultaneously? Best regards,
$555 USD in 25 days
5.2
5.2

Building a BLE-connected safety companion like NeoLifeGuard requires tight reliability between wearable signals and instant mobile visibility, especially in noisy industrial environments where every second matters. I focus on making alert + team status systems readable and immediate under pressure. We'll implement a BLE communication layer to handle multiple device connections, parsing alerts, IDs, and location payloads in real time. The app will maintain a live team state model so every user update reflects instantly across the interface. Alerts will be prioritized with clear visual hierarchy and optional acknowledgment flow to reduce false alarms. Special attention will be given to background BLE stability on both iOS and Android, ensuring uninterrupted monitoring during device movement or screen inactivity. Happy to align the prototype flow with your device communication spec next. Q1: What exact BLE data format and frequency do your devices broadcast? Q2: Should the app support full background scanning on both platforms? Q3: How should team hierarchy and user-to-device mapping be structured?
$500 USD in 7 days
5.1
5.1

Hello, I can develop a cross-platform mobile app using flutter to run on both ios and android, connecting to neo lifeguard devices via bluetooth low energy for real-time alerts and location tracking. the app will display all team members with their current status and highlight any emergency notifications, while allowing users to acknowledge false alarms. location data will be updated continuously when alerts are active, and the device id will be shown to identify the source. the interface will remain clean and minimal, prioritizing readability and fast updates. i will provide fully commented code, clear documentation on app-device communication, and a working prototype for testing within a short timeline, ensuring the app is ready for immediate deployment in hazardous work environments. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$500 USD in 7 days
5.1
5.1

Your project for the safety wearable app aligns perfectly with my background in developing mission-critical IoT solutions involving Bluetooth Low Energy (BLE) communication. Having previously architected a real-time tracking application that integrated proprietary hardware via Nordic chipsets, I understand that reliability in safety-critical environments is non-negotiable. I focus on building seamless handshakes between hardware and software to ensure that when a safety trigger occurs, the latency is minimal and data integrity remains absolute. I will develop the app using a cross-platform framework like Flutter or React Native, utilizing reactive state management to handle asynchronous BLE streams. My approach involves implementing a robust GATT profile architecture with dedicated services for real-time monitoring, signal strength (RSSI) calibration, and heartbeat checks. To ensure 100% uptime, I will utilize foreground services on Android and background fetch/Location/VOIP permissions on iOS to prevent the OS from killing the process during idle periods. Furthermore, I’ll implement an offline queuing system that caches critical safety events locally if cellular data is lost, syncing them immediately upon reconnection to the cloud. Will the device require OTA (Over-the-Air) firmware updates through the app, or is that handled via a separate utility? Additionally, does the safety logic require integration with emergency dispatch APIs or localized contact alerts? I’m available to jump on a quick call to review your hardware documentation and discuss how we can bring this wearable to market with a stable, high-performance interface.
$610 USD in 21 days
4.8
4.8

Newport, United States
Member since Aug 29, 2025
$1500-3000 USD
$250-750 NZD
£20-250 GBP
₹100-400 INR / hour
₹37500-75000 INR
$30-250 USD
$30-250 USD
$3000-5000 USD
₹12500-37500 INR
₹75000-150000 INR
₹1500-12500 INR
₹1500-12500 INR
€250-750 EUR
₹1500-12500 INR
$10-30 USD
$8-15 USD / hour
₹1500-12500 INR
₹600-1500 INR
$2000-6000 HKD
$30-250 USD