A step counter is a device or application that tracks the number of steps a person takes throughout the day. It uses sensors to detect movement and can be found in various forms, including wearable devices like fitness trackers and smartphone apps. Many step counters also provide additional features, such as distance traveled and calories burned. These devices are popular among individuals looking to improve their fitness and maintain an active lifestyle. By setting daily step goals, users can monitor their progress and stay motivated. Some step counters even allow users to share their achievements with friends, promoting a sense of community and friendly competition.