App for target group size

[Spd37]

can anyon tell me the name of the app that measures you group size ?

 

[Okanogan]

I am using OnTarget PC which was pretty cheap if I remember correctly but it does not have all the bells and whistles some most costly programs had.

 

[bribassguy]

RangeBuddy for iOS & OnTarget for PC.

You can also do it in the "Ballistics" app but I find it overly complicated to enter hits.