Best 3 Open-source, privacy-aware, ads-free Diabetes Managers for Android

Diabetes is a long-lasting (chronic) health condition, that occurs when blood sugar is too high. It is a life-altering disease, as it changes eating habits and exercises routine.

Diabetes management apps are many, and they come as web-based services, standalone mobile apps, and desktop apps. However, most of them are not free, open-source, or respect patient privacy much. Therefore, we write this article.

Diabetes management and assistant apps are classified under a PHR “Personal Health Records” apps, where the patient logs and keeps all of his private records for future analysis and use.

In this article, we will introduce you to 3 free, privacy-aware, open-source diabetes management app, that you can use totally for free without annoying advertisements or fear of data collection.

Best free-of-cost, advertising-free diabetes management apps for Android

1- Glucosio


Glucosio is a free, open-source diabetes management app for patients. It helps the patient record, and track their blood glucose, HB1AC, Cholesterol, blood pressure, ketones, body weight, and more.

Glucosio features

  1. Quick and easy logging (blood glucose, HB1AC, Cholesterol, Blood Pressure, Ketones, Body Weight, etc.)
  2. Designed for both type 1 & type 2 diabetes
  3. Estimated HbA1c & HbA1c conversion calculator
  4. Choose Glucose Target (ADA, NICE, AACE, Custom)
  5. Reminders;
  6. Daily, weekly and monthly graphs and analysis
  7. Assistant gives tips and more
  8. Backup to Google Drive and export data to CSV
  9. Import from CSV
  10. Free support (average response time under 24 hours!)
  11. Accessibility features
  12. Opt-in to support diabetes research anonymously through the app
  13. Support for Android 7.1 shortcuts

2- Diaguard: Diabetes Diary

Diaguard is a free, ad-free open-source diabetes management app for patients with diabetes mellitus.

It is a simple diary that helps the user log all important events and evaluate them with his doctor later on.

Diaguard features

  1. Quickly and easily track your blood glucose, insulin, carbohydrates, A1c, activity, weight, pulse, blood pressure, and oxygen saturation
  2. Clean and easy-to-use interface
  3. Meal monitor and calculator
  4. Customizable units
  5. Exercise and activity tracker
  6. Visualize your blood glucose level in a graph
  7. Detailed logs of your data
  8. Food database with thousands of entries
  9. PDF and CSV export
  10. Built-in backup options
  11. Reminder functionality
  12. Estimated HbA1c
  13. Statistics
  14. Supports Dark Mode

3- Diab

Diab is a free, privacy-aware, diabetes management apps, that aims to help you keep track of glucose levels, and insulin injections.

The app (Diab) is free and open-source software released under GNU General Public License v3.0.

Diab Features:

  1. Simple material-based interface
  2. Record and track activities: meal, exercises, and more
  3. Save records of glucose and insulin dosages
  4. Export data as a spreadsheet file
  5. Insulin suggestions plugin

Get these Diabetes assistant apps

You can download the app directly as APK for your android device, however, we recommend using the F-Droid store to download it to be able to receive notifications and secure updates.

Final note

Diabetes is a life-altering health condition, but that does not mean you are locked with commercial, privacy-invasive, and ads-populated apps. Try out these free, open-source apps, that do not collect your data or invade your privacy, and they are free of cost and free of ads.

If you know of any other open-source diabetes assistant apps, let us know in the comments blew.

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