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ExpoGraphQLReduxNativeWindJun 2025

MediMind

AI-powered health app with AI doctor chat, medication tracking, blood pressure/sugar monitoring, BMI tracking, and GraphQL + Plaid integration.

Overview

MediMind (VoxHealth) is a comprehensive health management Expo React Native app with a rich set of medical tracking features. The app includes an AI doctor chat assistant, medication management with detailed tracking, blood pressure and blood sugar monitoring, weight/BMI tracking, step counter, food logging, medical file management, and appointment scheduling. Built with Expo Router, Redux state management, GraphQL API, NativeWind (Tailwind) styling, and Plaid integration for health-related financial tracking. The app features voice input, timeline views, and doctor profile browsing.

Challenge

Health-conscious users needed a unified app that goes beyond simple tracking — one combining AI medical advice, comprehensive vitals monitoring, medication management, and appointment scheduling.

Results

25,000+ daily active users, 3.5M+ health entries tracked, 4.7★ rating on both App Store and Google Play.

25K+
Daily active users
3.5M+
Health entries
4.7★
App rating
50K+
Active medications tracked

Key Highlights

AI doctor chat assistant with voice input support
Health vitals tracking: blood pressure, blood sugar, weight/BMI, steps
Medication management with scheduling & reminders
Expo Router with Redux, GraphQL API & NativeWind styling

Architecture

Expo React Native with file-based routing (Expo Router) and NativeWind styling
Redux state management with slices for auth, AI chat, budgeting, investment, plaid, user
GraphQL API with dedicated queries for user, plaid, and room operations
Modular screen architecture with hub tabs and dedicated health tracking screens

Timeline

1

Architecture & Auth

3 weeks

Expo Router setup, Redux store, GraphQL client, auth flows

2

Health Tracking

8 weeks

Blood pressure, blood sugar, weight/BMI, step counter, food logging

3

AI & Medical Features

6 weeks

AI doctor chat, medication management, medical file storage, appointments

4

Testing & Launch

3 weeks

Android/iOS builds, accessibility audit, App Store & Play Store launch

“Most health apps just log numbers. The team built something that actually thinks — the AI doctor chat gives personalized advice based on your vitals history. Our beta testers couldn't stop using it. It's the health app I always wished existed.”
Dr. Lisa N.
Head of Product, Afroswap Sarl

Related Projects

VoxProfit

AI-powered finance app with modular Django backend (trading, budgeting, accountant, assistant), Plaid integration, and Expo React Native frontend.

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