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Our Work

Case studies across web, mobile, and AI.

Every engagement below is live or has shipped to its target platform. No concept demos, no abandoned side projects — just the work Code4U has delivered into production.

01Live

TimeYourWOD

A workout timer built by athletes, for athletes.

Scope: Product, design & full-stack engineering

React NativeExpoTypeScriptiOSVercel

Problem

CrossFit and Hyrox athletes needed a precise, dedicated interval timer that worked seamlessly across phone, tablet, and gym display without the rough edges of generic timer apps.

Solution

Code4U built a cross-platform app in React Native with native iOS polish, plus a web version on Vercel. Covers AMRAP, For Time, EMOM, TABATA, and Complex timers, all the standard WOD formats with saveable favourite timers and mobile-first ergonomics for gym environments.

Outcome

Live on the Apple App Store with the web version at timeyourwod.code4u.app. Continually improved based on gym-owner and member feedback.

Our Story

TimeYourWOD started from the founder's own experience as a passionate athlete and coach understanding firsthand how precise timing and structure shape a good workout. Existing timers fell short, so we built the one we wished existed.

Our Mission

Founded with a personal connection to neurodiversity and the late-diagnosed autism community, a portion of TimeYourWOD platform proceeds is dedicated to raising awareness and supporting early diagnosis efforts for individuals with autism.

02Live

Letter Forge

The ultimate word-crafting adventure.

Scope: End-to-end build + AWS deployment

JavaScriptNode.jsAWS S3CloudFrontHTML/CSS

Problem

After enjoying daily word games like Wordle, Spelling Bee, and Connections, we wanted something new a word game with deeper mechanics, a daily challenge, and room to grow. Plus an honest production context to validate AWS deployment patterns at low cost.

Solution

We designed and launched an interactive word-forging game from concept to deployment. Seven letters glow like embers; players hammer them into five unique five-letter words, racing toward the elusive Final Word of the day. Built with HTML, CSS, JavaScript, and Node.js, hosted on AWS S3 + CloudFront with strict free-tier budgeting.

Outcome

Live at letterforge.code4u.app. Recently shipped a daily archive so players can revisit past puzzles, plus aesthetic polish on the finish screen. Stable and running well within AWS free-tier limits.