It is an application that displays a map with concentric circles.
The paid version is ad-free.
Please try the free version first.

Seems there are those who have been used to measure the distance the golf course, it was also compatible with yards that had hope.

1.1.7 Added display format of longitude / latitude. Added display function of azimuth from center fixed.　

Has the following functions.
Fixed point fixed at the center of the concentric circles.
Fixed at the center of the screen to the center of the concentric circles.
Automatic, the radius of the concentric circles can be selected in 10m ~ 500km.
(I do not see the number when the line is on the screen.)
View satellite photos.
View traffic conditions.
Displays the address of the center of the screen.
Display center of the concentric circles, the coordinate values ​​of the center of the screen.
Button to move the center of the concentric circles.
The ability to move the current position the center of the screen using the GPS feature of the terminal.

Note
On the map, so it is no longer concentric becomes high latitudes, I will show the error.
Please use less than 1,000 km from the center of the concentric circles.

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I correspond as much as possible.