Crazy Darts 501 Scorer/Trainer is an Android application designed for both novice and experienced dart players, offering a streamlined scoreboard experience. It supports various game formats including 501, 301, 701, and 1001, as well as a Cricket mode. Players can engage in matches with one or two players or challenge the built-in DartsBot. The app features automatic checkout suggestions, bust detection, and comprehensive leg/set tracking to enhance gameplay accuracy.

In addition to scoring, Crazy Darts provides match history with editing options and detailed statistics, such as 3-dart averages and checkout percentages. Users can also benefit from voice call features available in 10 different languages, making it user-friendly across different regions. The application offers both dark and light themes, allowing customization to suit user preferences.