Intervallfasten is a free Android app developed by TOM.ST that aims to help users start and maintain a healthier lifestyle through the practice of intermittent fasting. Unlike other diets, Intervallfasten does not require users to give up their favorite meals. This app allows users to choose from three different methods: 16:8, 17:7, and 18:6.

The app offers helpful tips and notifications to guide users through their fasting periods and recommend the best foods to eat at specific times. The app's user interface is simple and easy to navigate, making it suitable for beginners who are new to the practice of intermittent fasting. The app provides a valuable tool for users who are looking to lose weight and improve their overall health.