This application is totally free and supported by ads.
This application is designed by GL-Mobile and developed for the users who want to know the perimeter of the ring they have.
How to use? ______________________________________________________________________________________________
Put the ring on your phone screen. There will appear yellow circle in the center, you can make the circle bigger or smaller by tapping right(bigger) or left(smaller) part of screen. Adjust the circle with your ring and press the button below. All the information will be written on screen.