1 km radius: Draw a circle on is an Android application developed by GMA Tech, available for free in the Travel & Navigation category of the Google Play Store. This app allows users to point to places on Maps and draw a circle with a radius of 1 km or more, enabling them to walk 1 km round or more.

The latest version has added the ability to draw up to 5 circles with radii and colors of your choice. The app also features new icons for going back and erasing a circle. Additionally, users can save their circles to the next session using the phone's Back button.

Overall, 1 km radius: Draw a circle on is a useful app for anyone who wants to measure or plan their walking or running distance.