WellAlly's core development team, comprised of healthcare professionals, software engineers, and UX designers committed to revolutionizing digital health management.
Building a Real-Time Heart Rate Monitor with React and the Web Bluetooth API
A step-by-step guide on how to connect a browser-based React application directly to a BLE heart rate strap without a backend using the Web Bluetooth API.
2025-12-10
8 min read
javascriptwebbluetooth
Development
Handling High-Frequency Sensor Data in React: Optimization Techniques with RxJS
Learn how to handle high-frequency sensor data in React without performance issues. This guide covers using RxJS to throttle data streams and optimize re-renders with useRef.
2025-12-10
8 min read
reactrxjs
Mobile Development
Integrating Apple HealthKit into React Native: A Step-by-Step Guide for Fitness Data
A comprehensive guide on connecting React Native apps to Apple Health to read step counts and sleep metrics using react-native-health and iOS permissions.
2025-12-10
8 min read
reactnativeios
Development
Building a Beautiful Sleep Hypnogram: Visualizing Health Data with React & Recharts
Learn how to build a responsive Sleep Hypnogram in React using Recharts. Master custom axes, tooltips, and step-interpolation for health data visualization.
2025-12-10
9 min read
datavisualizationreact
Development
Building a Beautiful Sleep Hypnogram: Visualizing Health Data with React & Recharts
Learn how to build a responsive Sleep Hypnogram in React using Recharts. Master custom axes, tooltips, and step-interpolation for health data visualization.
2025-12-10
9 min read
datavisualizationreact
Development
Building an Offline-First Health Tracker with React, PWA, and IndexedDB
Learn how to build a resilient, offline-first health tracker PWA with React. This tutorial covers local data storage with IndexedDB (Dexie.js) and automatic background sync with Workbox.
2025-12-10
9 min read
pwaoffline
Development
Gamifying Fitness: Drive React UI Animations with Real-Time Step Counts
Learn to build a gamified fitness dashboard in React. Use Framer Motion and the Context API to drive smooth, engaging UI animations from real-time step count data.
2025-12-10
8 min read
reactanimation
Development
Building a HIPAA-Ready Health Data Pipeline with FastAPI, PostgreSQL, and Vault
Build a secure, HIPAA-compliant health data backend with FastAPI, PostgreSQL, and HashiCorp Vault. This tutorial covers application-level encryption, comprehensive audit logging, and role-based access control (RBAC) for handling Protected Health Information (PHI).
