Hi Sissy, we're not familiar with this app but it sounds like some of the other bakers here are familiar with it and might be able to help you out. They might be referring to this app, which is developed by Michael Ruhlman, cookbook co-author. We hope that helps! Kye@KAF
November 14, 2017 at 2:22pm
In reply to I can’t find the “Ratios” app for my iPad. Any ideas how it’s l… by Sissy (not verified)