An app I personally contributed to - Studentbevis - is in the top of the Norwegian App Store! Even above Facebook and Instagram (Well, not Facebook Messanger, but still).

It is an App I made while working for Computas, and it works in leigh of a Student ID in most places in Norway. Giving you access to rebates and cheap public transport.

The Studentbevis App on the Apple App Store High Chart
Credits for the image goes to my colleague Lise-Mari on Instagram.