Diabetter App app for iPhone and iPad

This is a diary-like app for people with diabetes.
A person enters the blood sugar readings after measurement, the amount of injected insulin, the amount of carbohydrates consumed into the application and leaves some short notes if desired.
Then these results can be filtered and sorted according to certain criteria, get heart values for a certain period of time, and also display on graphs in the form of widgets on the dashboard how the blood sugar level changed, for example, during the day.
So the monitor will be able to see how certain things affect fluctuations in the level of glucose in the blood, which will help a person more correctly monitor the course of the disease.