Chess Clock

Allows you to easily play blitz chess games with your friends. Supports normal blitz modus as well as Fischer modus. It comes with the following modes: 1m, 1m + 1s, 3m, 3m + 3s, 5m, 15m + 10s and 25m. You can quickly add your own time modes. Different times per player is also supported. In addition the app has a variety of clock themes so you can adjust the app perfectly to your environment. If that's not enough you can also create your own themes.