Måttfull by Systembolaget AB is a free Android app that aims to help people reflect on their drinking habits and avoid excessive alcohol consumption. The app provides insights into how different drinks, quantities, and speeds of consumption can affect your body.

Måttfull offers several features to help you keep track of your drinking habits, including a graph that shows your level of intoxication, a view that converts what you have drunk into standard glasses, and information on the number of calories in your drinks. You can also experiment with adding what you drink in real-time, and the app will provide valuable insights into your habits through its history feature.

The app also provides information on the factors that affect your level of intoxication and helps you understand the effects of alcohol on your body. However, it's important to note that the app cannot measure your blood alcohol level.

Overall, Måttfull is an excellent app for anyone who wants to keep track of their drinking habits and learn how to drink moderately. It's easy to use, informative, and free to download.