Great app. I use it all the time. My only complaint, and the reason why I bump it down to 4 stars, is that the "Details" section, where it provides extra information (e.g. Forward, Glossary, Glassware and Equipment, Ice, How to Jigger, etc.) malfunctions: it can be read, but it only fills half the screen. The print is tiny and you cannot zoom in. It would be perfect if the creators would fix this problem! Otherwise, I still recommend this app for the novice and the seasoned.