Chapter 5 Using Your CGM Data

Websites and apps that help you track glucose numbers.

5.1 Use the Personal Science App

The best way to analyze your CGM data is with the CGM app from Personal Science (makers of this web site). You can upload your data and study it for free here:

5.2 Abbott Labs Official

The most important software for Freestyle Libre downloading is the officially-supported one here:

Create an account on Libreview and then you can download your data as a CSV file here:

Libreview main page

Then click here:

Click to download

If you have the Abbott custom reader device, you can also download a Mac or Windows version of Freestyle Libre personal CGM

Freestyle Libre Software

5.3 International versions

Freestyle Libre devices sold in other countries will generally work everywhere if you use the app downloaded specifically for that country.

This [table by Chuck Kub] is a little old, but gives a sense of which models are available in which countries.

China: buy a reader plus 3 14-day sensor packs through Taobao for about 1800 RMB (USD$270)

5.4 Third Party

Many organizations now offer ways to upload and use your Freestyle (or other CGM) data.


“an open source, DIY project that allows real time access to a CGM data via personal website, smartwatch viewers, or apps and widgets available for smartphones”

See their app


(formerly called Glooko) tries to let you upload data from anywhere


Open-source non-profit place to upload glucose data




Glimp : popular Android app