Luna

Role

Full-Stack Developer / Product Builder

Platform

iOS + Android

Focus

Mobile App, UX, Backend, Product Development

Overview

Luna is a cycle tracking application designed for modern users who want an intuitive, private, and beautifully designed health tool on their phone.

The Challenge

Build a cross-platform mobile application that handles sensitive health data with care, delivers an exceptional user experience, and scales reliably.

The Approach

Started with user research and wireframes before writing a single line of code. Prioritized UX architecture, data privacy, and performance across both iOS and Andriod.

What I Built

Cross-platform React Native application
Secure backend API with Node.js and Express
PostgreSQL database with encrypted health data
Calendar and cycle prediction engine

Key Features

Realtime SyncHabit StreaksDark-first UIOffline Mode

Technology

Next.jsReact NativeTypeScriptSupabaseTailwind CSS

Results & Outcome

0% seven-day retention

Launched to its first cohort with a 68% seven-day retention rate — well above the wellness-app category average.

Have a project in mind? Let's build it.

Start a Conversation