Coop Key is a free lifestyle app developed by Coop Norge for Android users. It allows users to unlock the Extra Bogstadveien store at night and shop when the staff has gone home. Coop Key also enables users to purchase and collect automated products such as tobacco and medication. The app requires users to use Coop Key to authenticate themselves at the checkout and collect products from the machine.

Coop Norge is open to feedback and suggestions for improvement, and users can provide feedback through the app or by contacting them at Coop Key is a convenient shopping app for night owls who want to avoid queues and crowds during the day and prefer to shop at night when it's quieter.