20 Seconds is a simple app designed to help users build new habits or break existing ones. The app's concept is based on the theory that 20 seconds is enough time to make a significant impact on habit formation.

The app's main purpose is to count down to 20 seconds. According to the theory, if you want to start a good habit, taking action within the first 20 seconds of thinking about it significantly increases the likelihood of actually doing it. On the other hand, if you want to break a bad habit, waiting for 20 seconds after feeling the urge can make it easier to resist.

While the countdown is in progress, the app provides a progress indicator, which may include a random shape. It also offers the option to play music or ticking sounds to distract and amuse the user. The countdown can start automatically as soon as the app is launched.

Additionally, 20 Seconds offers a 30-day trial of usage in the today widget, allowing users to easily track their habit-building progress.

With its simple yet effective approach, 20 Seconds provides a convenient tool for anyone looking to establish new habits or break old ones.