The user specifies what foodstuff/liquid they are weighing in the app, either by manually selecting it within the app, or scanning a product barcode, or there’s also a voice-capture feature. The app then builds a visualisation of how balanced that particular combination of meal ingredients is. It’s a gadget that looks perfectly positioned to capitalise on the quantified health trend, complementing activity-focused devices like the FitBit and Jawbone UP.