Wattn is a free lifestyle application for Android users. Developed by Wattn AS, the app aims to help users to track and reduce their carbon footprint. It has a simple and user-friendly interface that allows users to set goals and monitor their progress towards achieving them.

One of the main features of Wattn is its carbon calculator, which helps users to calculate their carbon footprint based on their daily activities such as transportation, energy usage, and food consumption. The app also provides tips and recommendations on how to reduce carbon emissions and save money.

Overall, Wattn is a great app for those who are interested in living a sustainable lifestyle and reducing their impact on the environment. It is easy to use and provides useful information that can help users to make informed decisions about their daily activities.