Organise races. Read SI cards. On your Mac.
Admin-O is a native macOS app for organising orienteering-style races and reading Sport Ident cards — fast, offline-first, and simple to use.
Race Organisation
Set up events, classes, and start lists with ease.
SI Card Reading
Read Sport Ident cards directly on your Mac, no extra hardware drivers needed.
My Admin-O
Create a free account and link your app with an API key to sync your data online.