Yes! MATCHi app is now available on App store for iPhone users. An updated version will be released soon together with an app for Android users. 

 You can use the app to find courts nearby, add your  favourites, book and pay, see pass codes and cancel easily. 

Note! You need to have activated "easy payment" (saved debit or credit card) on matchi.se or have a digital discount card to pay on the app.