Brew by Bean

The same bag of beans, a different cup every time. Usually it comes down to two things: water temperature and grind size. Brew by Bean treats the whole loop as one thing — from photographing the bag to the one word you give it after drinking. ■ Scan the bag The camera reads the roast date, roast level and processing method. It all happens on your device; the photo is never uploaded anywhere. If a bag won't read, type it in — it makes no difference to the result. ■ Tuned to the bean Roast level, processing method and days since roast decide the water temperature and the grind. Light roasts are dense and resist extraction, so the water goes hotter and the grind finer. Dark roasts give up solubles easily, so the water goes cooler and the grind coarser. Fresh off the roast, the bloom runs longer to let the CO2 escape. It isn't an app that just hands you numbers. Pro shows you why each one…