Jolly Steps is a free Android app developed by StepstoHealth that helps track your daily steps and calories burned. With its intuitive graphs, the app makes it easy to monitor your progress towards your fitness goals. The app uses your phone's built-in sensor to count your steps, so there is no need for additional wearable devices.

One of the best features of Jolly Steps is that it can track your activity even when your phone is locked. This means you don't have to worry about constantly opening the app every time you start walking. Instead, simply press the start button and let Jolly Steps do the rest. With no hidden fees or charges, Jolly Steps is a great option for anyone looking for a simple and free way to track their daily activity.