Organise races. Read SI cards. On your Mac.
Admin-O is a native macOS app for organising orienteering-style races and reading SPORTident cards — fast, offline-first, and simple to use.
Race Organisation
Set up events, classes, and start lists with ease.
SI Card Reading
Read SPORTident cards directly on your Mac.
Optional: My Admin-O
If you ever want to sync data online, a free account is available — most users won't need it.