Here's a comprehensive list of all the projects I've built over the years. Some are still running, others have been retired, but all were valuable learning experiences.
Online scoreboard and leaderboard app
My main project - used by 4000+ people daily and profitable!
Webapp for painless cashing up after group events
Still running, but I sold my stake in the company
Use AI to estimate the cost of something based on a photo
Recently launched
Android app for sending mild spoken insults
300,000+ downloads before removal from Play Store
Collection of wallpaper apps for Android
500,000+ downloads before removal from Play Store
Twitter bot guessing company health by tweet activity
Shut down - API costs too high
Twitter bot tweeting seasonal progress
Shut down due to Twitter API changes
Free GPS tracking / location sharing app for Android
Nobody cared