Packaging is the one surface you cannot easily reprint. A product can sit on shelves and in homes for months or years, while your campaigns, offers, and even your website structure keep changing. A static QR code encodes the destination permanently into the pattern, so the day a linked page moves or an offer ends, every unit already in market points at a dead end. A dynamic QR code from QR Cake encodes a short redirect instead, so the printed artwork stays valid and you repoint it from your dashboard whenever you need to.
Being able to edit the link is what makes a code on a pack worth printing. You can point it at assembly or how-to videos, full ingredient and allergen lists, a batch or expiry lookup, certifications, loyalty sign-ups, reviews, warranty registration, or a reorder page, and change any of it over the product's life. On the Pro and Business plans, QR Cake also shows scan analytics for each code (total scans, scans by hour or day, country, device, and operating system), so you can see whether shoppers actually use it.
QR codes on packaging are also becoming expected, a shift often called connected packaging. GS1, the body behind retail barcodes, is moving checkout scanning toward 2D codes such as a QR code carrying a GS1 Digital Link, with a target of the end of 2027 (Sunrise 2027 in the US). The EU's Digital Product Passport will also require a scannable data carrier on more product categories as its rules take effect. Both have their own formats and data rules, and a QR Cake code meets neither: it is a consumer link for your marketing and support content, printed alongside whatever barcode or passport code your product needs.