Buy your tickets – as easy as 1-2-3. Østfold kollektivtrafikk's mobile app lets you buy your ticket before you get on board. The app is valid on buses in Østfold and Hvalerferga. ØstfoldBillett requests access permission to the following functions: • Read phone status and identity: Used to protect your ticket from counterfeiting by linking it to your phone's unique ID. ØstfoldBillett does not have access to make phone calls. • Access precise location (GPS and network-based) Used in connec