Restaurants live and die by small changes: a price goes up, a dish sells out, a new season starts. Printing a fresh menu — or a new QR code — every time is slow and expensive. With a dynamic QR menu, you print the code once and edit the menu behind it from your phone; the table tents never change.
The same logic covers reviews and Wi-Fi. A review QR turns a good meal into a Google review while goodwill is highest, and a free Wi-Fi QR gets guests online without reading a password aloud. None of it runs on a subscription — QRever codes are paid for once and can never be switched off for billing.