GlucoDiary: Blood Sugar Log

GlucoDiary is a simple, free logbook that makes daily glucose tracking effortless.
Log fasting and post-meal readings by time of day, see how meals, exercise, and medication affect your numbers, and hand your doctor a clean PDF report at your next visit — everything you need to manage your blood sugar, in one app.

No complicated setup. Large, easy-to-read text. Free to use.

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Logging takes just a few taps
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Record your blood sugar by time of day — fasting, before and after meals, at bedtime, and more.
Meals, snacks, exercise, insulin and medication, weight: a few taps and your daily check-in is done.
Works with both mg/dL and mmol/L.

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Never miss a reading
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Get reminders at the times you choose — fasting, breakfast, lunch, and dinner.
Log a meal, and the app will remind you when it's time to take your post-meal reading.
Even on busy days, you won't lose track of your routine.

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The app does the math for you
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Weekly and monthly averages, highs and lows, and time above your target range — all calculated automatically.
Compare how your glucose changes after meals or exercise in clear, easy-to-read tables.
Set your own target range, and staying on track gets a whole lot easier.

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Share with your doctor or family in seconds
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Turn your records into a PDF or image and share it right away.
No more copying readings into a paper logbook before appointments.
Keep your family in the loop, too — whether they live with you or far away.

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Your health data stays private
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All blood sugar data is stored encrypted.
It is never shared without your consent — only you can access your records.

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Who uses GlucoDiary?
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* People who check fasting and post-meal glucose every day
* Anyone starting to manage prediabetes
* People curious how food and exercise affect their glucose
* Moms-to-be managing gestational diabetes
* Family members logging readings for a parent
* Anyone who wants to show their doctor organized data at appointments
* People tired of writing readings down by hand
* Anyone keeping an eye on dawn and bedtime readings, too

Managing diabetes is complicated. Your logbook shouldn't be.
Start tracking your blood sugar for free today.

Recent changes:
Usability improvements and stability fixes.