Well..

I like the minimalistic and clean design. This app has so much potential
Dont like so much that
- recipes cannot be shared within the app (sharing only by mail or text). App seems to run offline on each individual device with no way to link content.
- recipes are easily dumped by accident with no way to recover
- ingredients can only be typed in one at a time. Would appreciate ways to copy and paste a paragraph containing all ingredients quickly into app.

Conclusion is do not buy if the plan to share stuff within the app with friends or family or if you have a lot of existing recipes you want to move into this beautifully designed app.
If none of that applies, go for it!!

Schermoa about Recipes Cook Book - Your recipes in your device