Simply Game Clock
就是計時器目前可在 App Store 上免費下載， 如果您有任何建議，請透過 yrchern [at] hikago.org 與我聯絡。
Simply Game Clock is an easy use game clock designed for the game of Go. It supports different time control rules such as Japanese Byoyomi, Canadian overtime and Sudden death and comes with several common used clock settings. You also can customize and save the clock for future use.
Simply Game Clock is currently offered free from App Store. If you have any suggestions, please contact me yrchern [at] hikago.org.