Blood Sugar Tracker: SugarLog app icon

Blood Sugar Tracker: SugarLog

A calm, private log for glucose, insulin and carbs

SugarLog is a diabetes journal for blood glucose, insulin, carbs, medications and related readings. It shows charts and patterns, creates a report for your doctor and can sync with Apple Health. Everything stays on your iPhone.

Works oniPhone · iPad · Widgets · Live Activities · Apple Watch
Languages33
PriceFree download · optional subscription
RequiresiOS 17.0 or later
Released2026-07
CategoryHealth & Fitness

What it does

Log everything in one place

Record glucose, insulin, meals and carbs, medications, exercise, weight, blood pressure, HbA1c and ketones.

Charts and patterns

See trends, time in range and an estimated A1C on a clear dashboard.

Doctor report PDF

Create a tidy PDF of your readings and share it with your care team.

Apple Health sync

Optionally read and write glucose, insulin, carbs and weight with Apple Health.

Reminders, widgets and Watch

Get local reminders and check your latest reading on widgets, a Live Activity or Apple Watch.

Face ID lock and export

Lock the app with Face ID and export or import your log as a backup file.

Free and premium. Logging every entry type, Apple Health sync, reminders, widgets and the Watch app are free, with lists and charts showing the last 30 days. The subscription unlocks your full history, longer chart periods, the estimated A1C card and patterns, the doctor report PDF, unlimited custom foods and extra color palettes.

Screenshots

Privacy at a glance

Your records

Stored on this device, not on our servers.

Account

No account needed.

Leaves your device

RevenueCat

Ads and tracking

No ads, no analytics, no tracking across apps, and we never sell your data.

Please note. SugarLog is a logging tool, not a medical device, and it does not give medical advice. Estimated A1C and patterns are approximations. Always follow your doctor's guidance for treatment and insulin decisions.

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