Darts Scoreboard is an app that can track your progress during a game of 501 or one of its variants.

It is designed to help you score more points during a game, and it is useful for practicing or training. The app has many options, such as the number of players, the start score, and whether you want to play in legs or sets. 

You can view the progress of your own game. When you reach a score that can be finished, the app will show a suggestion for a finish. You can save and share the statistics.

You can create a profile, and the saved games will be associated with your profile.

You can view the list of your own statistics.