Digital Diabetic Log, Blood Sugar Logbook, Diabetes Tracker, Digital Notebook Journal, Goodnotes Android and iPad Planner, Hyperlinked TabsThis digital notebook is PDF files that work with any PDF annotation apps. Also, the hyperlinked tabs completely function on GoodNotes, Notability, or Noteshelf (or other apps that supported).What's Inside The Notebook:- Yearly blood sugar tracker that helps you track your blood sugar level after every meal- Doctor visit log to note every detail of each time-