LETS SIGNAL is a lifestyle application designed for iPhone users, providing a unique and engaging way to interact with traffic signals. The app features a realistic crosswalk signal simulator that operates solely through a push-button interface. Users can experience seven different crosswalk signals sourced from four countries, offering an international perspective on pedestrian traffic management.

Additionally, LETS SIGNAL allows for customization of the waiting time, lighting time, and flashing time of the signals, enhancing the interactive experience. For those seeking more functionality, an upgrade to a paid premium plan is available, which unlocks the ability to view traffic lights for vehicles. This app combines education and entertainment, making it a valuable tool for understanding traffic signals.