2025-09-01 00:00:00 With the Kirppus app, it's easy to keep track of your sales live - through your mobile device, when you have a booth in one of our flea super markets. You can view bookings, payouts and sales directly in the app on both iPad, iPhone and Android.   Kirppu is Denmark's first and largest flea supermarket market and is a paradise for those who love to go to the flea market to buy and sell used goods at a good price. All year round you can go in peace, walk around one of our large indoor flea supermarket markets and find good items. At Kirppu, private sellers are given the opportunity to sell items and cases at their booth.