What a good idea! For those suffering from Diabetes, this could be a very helpful tool and helps you to control diabetes. SiDiary is in Beta stages at the minute, but is available here for you to use. It maintains all the important data – such as blood glucose levels, insulin and pills and will show data on screen for the whole day. It can then hopefully analyse any possible weaknesses in your therapy and help imrpove your health!
Source and more info – SiDiary.org