You are looking for a cash register for your coffee cup, then you have come to the right place. With the Kaffeekassen app, you can enter your coffee consumption in the database via barcode or NFC (cell phone must support NFC function). Via CloudKit you synchronize this with your other devices with the same Apple ID. The chart shows how your consumption changes per month. It is also possible to create QR barcodes yourself using the app. The bar codes can be shared using the IOS functions.
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