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App (iOS & Android)

Built using React Native, the app collects user step data via phone APIs (Google Fit and Apple HealthKit), manages wall clock configurations, and facilitates group creation and leaderboard tracking.

Server

The backend, powered by Node.js, processes and stores data using Firebase and DynamoDB.

Wall Clock

Displays real-time data, including step counts and leaderboard standings for up to five group members.

The app offers group functionalities, allowing users to challenge each other's walking steps, view leaderboards, and manage device configurations.

Complex Data Flow

A streamlined and secure data transfer system was required across mobile apps, servers, and IoT devices (wall clocks), leveraging encryption for secure sharing between the app, server, and clock.

Cross-Platform Development

Consistent user experience across both iOS and Android was key. React Native was chosen to develop a unified app with seamless integration of Google Fit and Apple HealthKit APIs.

Network Configuration

Users needed a simple way to connect the wall clock to Wi-Fi via Bluetooth. Ensuring server-side validation and dynamic updates in Firebase made the process more secure and reliable.

Group Management & Leaderboards

Managing user groups and step data, ensuring accurate real-time leaderboards, and allowing admins to handle multiple clocks required robust backend operations in Node.js, integrated with DynamoDB for user data storage.

Data Transfer

A secure, multi-step encrypted data transfer system was developed using Node.js and Firebase. This ensured real-time data updates between the app and wall clock, with efficient storage in DynamoDB.

Bluetooth-Based Clock Configuration

A user-friendly Bluetooth setup flow was implemented, allowing the app to connect the wall clock to Wi-Fi. The app communicated with the server to validate clock registrations.

Group Features

The app used QR codes or secret codes to allow users to join groups and compete in step challenges. This group data was stored in Firebase to ensure seamless real-time updates.

Cross-Platform Consistency

Using React Native, the app maintained a consistent UI/UX across Android and iOS, ensuring smooth performance on both platforms.

Engaging User Experience

Users could view their step progress and group leaderboard standings on their wall clocks, providing daily motivation and engagement.

Efficient Configuration

The Bluetooth-based setup process, supported by server-side validation in Firebase, made adding and configuring wall clocks seamless.

Scalability & Flexibility

The Node.js backend and DynamoDB database ensured that the app could handle multiple users, groups, and wall clocks, offering flexible scalability for future expansion.