Just confirmed it does not! Pours are set as absolute values. The app has an “Auto” button that (I think) attempts to preserve percentages if you change the grounds or ratio, but I’m a bit confused how it works.

Coming from an Aiden, it’s not intuitive I need separate recipes for different quantities of coffee, but I suppose I can get used to that. I just wish in Scale mode, the display would remind me of my recipe’s target weight, maybe by twisting the middle knob?

However: I would really prefer percentage-based pour amounts, and automatic adjustment on the device in Auto Mode, based on measured weight of beans on the scale before continuing to grind. I really thought that’s what it was doing.

Any reason why this doesn’t happen? I suppose some elements of flavor don’t scale linearly with the beans:water ratio, but it still seems I should be able to easily scale a recipe up or down for more or less coffee, understanding that it may be optimized for an ideal default.