Hi, I'm Callum.
Product Manager.
Builder of apps bycallum
Product strategy by day, indie building by night. Welcome to my personal sandbox of useful web apps.
Selected work
Apps I've built
Travel · Fairness
Ride Price
The friends-travelling fair pricing tool. Split rides without the awkward math.
Games · Utility
Multi Player Clock
For your multiplayer games — play against the clock with per-player timers.
Fitness · Logging
Lift Tracker
Your gym logging tool. Track sets, reps, and progress with zero friction.
Finance · Tracking
Moneyflow
See where your money goes. A simple personal finance flow tracker.
Shopping · Utility
Price Check
Quickly compare prices and know when you're getting a fair deal.
Fitness · Tracking
MyProgressPics
Take daily progress pictures and compare yourself over time.