GCT is an app designed to help You sustain fasting goals. It also combines fasting time with movement data, so that closing the ring gets easier the more You move. 

In the upcoming updates, GCT will also give You ability to exchange fasting time for real-life benefits, such as coupon codes or cool gadgets.

GCT also connects with Apple Health, providing you with insights on your daily steps and burnt calories, adjusting the fasting time to fit your body the best.