Breathalyzer is a free option 1.3.7

You've had a drink and now you don't know if you can get behind the wheel? A breathalyzer in your android device will be very useful, it is able to answer the question you are interested in and show what percentage of alcohol you have at the moment. It is important to know that this is not an ordinary application for entertainment, but a serious program. It calculates the alcohol level using mathematical formulas with high accuracy. You enter data about yourself (age, height, weight, gender), what and how much you drank. Do not forget to choose a country - the program will show the permissible alcohol level.

In addition, the application will show how much time should pass before your condition normalizes. The latest version of the app Breathalyzer is a free option download for android.