Hey, I’m Sang
I design and develop apps for mobile, web, and macOS.
I’ve designed and developed apps for startups and organizations like National Head Start Association, and my indie apps have been featured on Spotted In Prod and 60fps.
Work
Some of my recent work, featuring mobile apps, web apps, and research tools.
Prompt Builder
An open-source macOS tool for creating long, complex prompts for LLMs. Whether you're coding, journaling, or writing a novel, Prompt Builder helps you pull together multiple files, transcripts, images, and snippets without the headache of manually copying and pasting content.
Persist
An elegant to-do app that helps you prioritize your day with Must-Do, Not-to-do, and Maybe lists while tracking progress through heatmaps and keeping your goals accessible with persistent notes.
Loca Search
Loca Search is an AI search app designed for lists of locations. It uses web search results to generate lists of locations of your choice, complete with web citations, Google ratings, distances, and more.
Loca Research Clerk
Loca Research Clerk is a tool where you can input your thesis and paper topics, upload source papers, and receive relevant quotes with detailed analysis, streamlining your research and writing process.
Roamio (v2)
Roamio v2 extends the original Roamio app with map features. It allows you to search for destinations and activities using natural language. Other features include real-time weather warnings, collaborative planning, and collaborative lists.
Roamio (v1)
Roamio is an AI trip planner. It’s packed with planning tools: collaborative planning, budgeting, activity drag-n-drop, and more.
