Handy but room for improvement

The ratio calculation saves me a couple steps over a calculator. Having multiple timers seems like a useful feature for coffee shops.

A "restore to defaults" button for the brew ratios would be nice for someone using the app to learn a new brewing method (you mess with the dials and then want to go back to the settings the app comes with). Also, something is a little off about the buttons. They dont seem very sensitive away from the center of the button, which feels out of place for iOS.

Appnewbie about Brew Control