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Prior to the 3.6 version of GlucoseBuddy there was a function called "push-reminder", which did exactly what you mentioned. During the 3.6 versions the "push-reminder" became problematic, mostly due to the iOS 5.0, 5.0.1 and 5.1.0 installations. The current 3.7 version of GlucoseBuddy has removed the "push-reminder". I am assuming this was because they were still problematic. Hopefully, the "push-reminder" will be re-implemented in the later versions. I have resorted to setting an iPhone alarm, since I only need one reminder.