Ostra-k

Ostra-K offers instant, universal and enhanced dematerialization of your receipts. And this regardless of your status (loyalty or not) or your payment method.
Retrieve your proof of purchase using a dynamic QR code, NFC or your loyalty card while being assured of having your data protected and anonymized.
Ostra-K offers its users a broader range of services aimed at improving their purchasing journey and building loyalty:
Warranty & exchange/gift voucher
Price control and proof of purchase
Management of product returns and recalls
Product information: nutri-score, traceability, instructions, product sheet)
Merchant information: ratings, comments and reviews
Cross-functional promotions and loyalty
Management of expense reports and invoices