Grant's Portfolio

Charismax

8.8M+ TikTok views · 200+ downloads · $174 MRR

An iOS app that uses native speech-to-text and OpenAI text-to-speech + GPT4.1 to simulate real conversations, then coaches you on how to become more charismatic.

600+ downloads · 70+ monthly active users

An iOS app making calories/macro tracking easier, faster, and more accurate for UMich dining halls with daily menu updates.

3,000+ page visits in first week · Paying customers

An OpenAI-powered, full-stack web app for optimizing social media marketing, built with Next.js/Typescript and deployed on Cloudflare.

A GPT-powered app that turns study notes into practice tests, with a Vite frontend, Stripe payments, and Cloudflare hosting.

Lighthome

2M+ TikTok Views

An iOS breakup recovery app with a personalized path of lessons, quizzes, and tasks, plus a no-contact tracker, journaling, and an AI coach. Built with RevenueCat, AWS, and OpenAI.

A local Python/Flask web app that analyzes your Mac's iMessage database to show who you text the most and what you talk about.

A full-stack web app expanding on native Spotify functionality by allowing users to create shareable and customizable playlist folders.

A Python script that automatically sets all Spotify playlists to private or public in one click, for users with hundreds of playlists.

A Llama-3 news chatbot that scrapes the web for up-to-date news and allows users to ask questions for deeper understanding.

A macOS GUI for adjusting an MP4's audio volume, listening to the result, and exporting it. Video is copied without re-encoding; audio is saved as lossless ALAC.