After adding current glucose level and carbs the app will show you expected glucose level after two hours. Adjust the insuling dose to keep your glucose within normal range.
Range limits can be adjusted in settings.
The graph is the great way to understand what is going on with your glucose levels. Pay more attention when the numbers aren't purple. That means your glucose level are out of safe range. This condition can be dangerous for your health. Discuss with your doctor how you need to act when your glucose is out of desired range.
It is always great to remember the last thing that you did. Easy access to information for recent days allows you to identify relations between your food and insulin dosages.
Are default insulin dosages too high or too low for you? You can modify it in settings. Choose ratios, that will work better for you. We all different.
HealthKit integration allows you to see data from CGM devices no the graph and in statistics.
In the Statistics of the app, you'll get your approximate HbA1C result, based on your glucose readings for that month. You can compare last tree month to keep in mind how your diabetes is going. Also, here you can find your average consumptions per day to ask right prescription and discuss your diabetes situation with your doctor.