You can add your ski pass via the iPhone app as follows 
  1. Select the item "Skipass" in the navigation below 
  2. Enter your ski pass number 
  3. Select the respective ski area, if it is not automatically recognized 
  4. Choose the format of your ski pass number if it is not automatically recognized 
  5. Indicate one of your skiing days in this ski area if applicable

Tip: You can manually update or delete your added ski passes at any time under "Settings" > "Manage ski passes". 

Please note that the update is only possible for ski passes from the current season.