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Blood Sugar Diary: Log
Last updated 23 September 2026
Write down what your meter says, see what it means, hand your doctor one page.
Getting help
Write to tarik@rovcanin.dev. A real person reads it, and that person built the app. Say which iPhone you have and what happened, and you will get an answer.
Common questions
Does the app measure my blood sugar?
No. No phone can. You read the number off your own meter and type it in. The app classifies it, keeps the history, and makes the report.
Is the A1C figure a lab result?
No. It is estimated from the average of the readings you entered over the last 90 days, using the standard ADA conversion, and it is labelled that way everywhere it appears. Only a blood test gives a real A1C.
Where are my readings kept?
On your iPhone, and nowhere else. There is no account and no upload.
Why is 150 shown as in range after a meal but high when fasting?
Because the published targets differ by context. The ADA target before meals is 80 to 130 mg/dL and after meals below 180 mg/dL. The app always judges a reading against the bound for the context you picked.
How do I cancel the subscription?
In the Settings app on your iPhone, tap your name, then Subscriptions. Cancelling keeps every reading you have entered.
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Published by Tarik Rovcanin, Bosnia and Herzegovina. Questions: tarik@rovcanin.dev