With the Hartmann fashion app, you always have your loyalty card for Hartmann fashion and Vis à Vis fashion on your smartphone with you - and can also use some added value. Show my customer card: With this feature you collect your sales bonus for the next loyalty voucher. Get your exclusive benefits directly pushed to your smartphone. With this you can benefit directly and immediately from your advantage vouchers such as € coupons, give-aways or discounts and redeem them directly with the app.