minto2k;
Welcome to the Forum! Well done on your control!
I also am using the GB App to lower my A1c. So far it is working very well. I went from 11.3% on 12/22/09 to 6.9% on 03/29/10 and expect my next lab report to be in the low to mid 5% range. I hope that GB works as well for you as it has for me.