Snap your plate
Photograph a meal and get the carbs. Scan barcodes and nutrition labels too.
Glucose & carbs log
Track blood sugar, carbs, insulin and A1C — and see exactly what each meal does to you.
Download on the App Store (opens in a new tab)Free on iPhone, iPad
Log in seconds
By hand, by voice, or straight from your sensor through Apple Health.
Time in range
Ranges preset from the International Consensus for type 1, type 2 and pregnancy.
Meal before & after
Every meal keeps its own result, so the foods that spike you stop being a guess.
Doctor-ready report
A printable PDF of any period: averages first, then every reading, meal and dose.
Reminders that fit
Checks, medication and supplies — at the hours you actually keep.
Private by design
Your health log stays yours
Readings, doses, meals and lab results live on your device and in your own iCloud — never on a server of ours.
Meal photos stay yours
A scanned photo goes through our encrypted proxy to Google Gemini for the carbs, and neither keeps it. Skip the AI reader and no photo leaves your phone.
Never sold
Nothing about your health goes to advertisers, data brokers or insurers. No account to create. Crash reports and usage statistics are anonymous and never contain a reading, dose or food.
Questions
Do I need an account?
No. There is no sign-up. Your log lives on your devices and in your own iCloud.
Does it sync between devices?
Yes. With iCloud on, your log, foods, medicines, care plan and lab results sync to every iPhone and iPad on your Apple Account.
What is free and what is Plus?
Everything for logging is free: glucose, insulin, food, weight, ketones, medicines, lab results, every chart and History, Apple Health, sync, backup, reminders and Siri. Plus adds the AI meal scanner, the Open Food Facts and USDA food database, and the PDF report for your doctor.
Does it work with Apple Health and my CGM?
Yes. Blood Sugar reads and writes glucose, carbohydrates, insulin and weight, and reads steps and active energy. A sensor that writes its readings to Health shows up automatically.
Is my meal photo stored anywhere?
Not by us. For a plate or label, the AI reader sends one photo through our encrypted proxy to Google Gemini, which reads it; neither the proxy nor we keep it. The photo stays with your meal, on your devices and in your own iCloud, in both Photo and AI mode.
Get Blood Sugar
Glucose & carbs log. Free on the App Store.
Download on the App Store (opens in a new tab)