The new Version 1.2.0 is now available in the App Store. Now the App is a so called universal one: So you can launch it on the iPad, too.
Furthermore there is a new statistics tab available:

The current day is painted in green (D1), yesterday in gray (D2) and so on.
By clicking on “Edit”, you can enable or disable certain days:

This feature should be helpful to get a feeling of e.g. too high or low periods and use this information to tune your basal rates.
Let me know what you think of it and leave a rating in the App Store if you like it…