David Balderston

I build software at UC San Diego, publish open-source tools, and make independent apps.

Open source

GitHub activity

38 public repositories

AI Usage

Token activity

UC San Diego · 2011—present

AI Automation Developer

Citizen Developer

Lead developer for the campus AI initiative

T-RES recharge billing

1,000+ hours saved annually across multiple departments

Bookstore Oracle Punchout

$35,000/year in software savings, plus revenue potential

Campus automations and AI tooling

Work across CoreBio, Procurement, Storehouse, Surplus, the Bookstore, and more

Apps & tools

Independent products built around specific problems.

Previous month sales

SwingDraw

Draw over golf swings, compare two videos, and review motion frame by frame.

JavaScript · Capacitor · TensorFlow.js

Local Photo Upscaler

Enlarge small photos, reduce noise, and improve soft details privately on iPhone and iPad.

SwiftUI · Core ML · MLX

ClearSpeed GPS

A focused GPS speedometer with smoothing and battery-saving controls.

SwiftUI · Core Location · Combine

LocalNote: Private Voice Notes

Record private voice notes and turn them into clean summaries on device.

SwiftUI · Speech · Foundation Models

Bible AI

Read scripture and ask questions alongside the text.

SwiftUI · Foundation Models · Natural Language

WildFind

Build and play scavenger hunts with family and friends.

SwiftUI · Image Playground · Photos

FODMAP Living

Practical low-FODMAP meal guidance when you need a quick answer.

SwiftUI · Cloudflare Workers · RevenueCat

Hair Color Changer: Try On

Preview hair colors on photos and video with on-device processing.

SwiftUI · Core Image · AVFoundation

Restore Old Photos: AI Enhance

Improve clarity, reduce yellow tint, and recover faded existing color in old photos on your device.

SwiftUI · Core ML · Core Image

Background Remover: PNG Cutout

Remove backgrounds on device, refine cutouts, and export transparent PNG images.

SwiftUI · Vision · Core Image

Blur Photo & Face Censor

Blur or cover faces and other private details before sharing a photo.

SwiftUI · Vision · Core Image

BaseballDraw: Swing Analyzer

Review baseball hitting and pitching video frame by frame, draw on clips, and compare two reps.