Tallyr

Tallyr can be used for all kinds of score tracking needs. From card games, board games, and more, its simple round-based scoring makes it a pleasure to use!
Features:
Rounds & Players -- Keep track of multiple player scores across multiple rounds.
Casting -- Cast a game you are playing to a cast enabled device (such as a TV) and see real-time score updates.
Score Input Options -- Radial & slider score input options.
Point Scale -- Multiple point scale options for incrementing or decrementing scores.
Sorting -- Sort by total scores or a specific round.
Game History -- Keep a history of all of your games you have played.
Seamless Automatic Sync -- All data is automatically synced and backed up to a secure cloud.
Tallyr is free to use for up to 10 games. This gives you the ability to try it out with the full feature set before you have to spend any money. After the 10th game you will be asked to buy Tallyr Pro which enables you to add unlimited games.