Lets Play Dart at Home.
This application can calculate 01, CountUp and Cricket Score.
And can record your Score -Fright, Rating, PPR, MPR, CountUp Average and Count Up Highest Score.
This Application is free edition.
If you want to delete ads, you can select paid edition.
https://itunes.apple.com/us/app/darts-machine/id964369643?l=ja&ls=1&mt=8