I cannot delete a blood sugar reading in the app. Why not? Adrian Ostrowski May 30, 2023 10:43 Updated Blood sugar readings from the meter cannot be deleted in the app; only manually-entered blood sugar readings can be deleted. Related articles Why does the app show a meal marker screen when I turned off the meal marker setting on my meter? Contour Diabetes App: How to delete readings/results? Comments 0 comments Please sign in to leave a comment.