Shu Zhang

The quickest, prettiest and most handy watch tip calculator ever! Calculate tip and split the bill among friends in seconds! Highlights- Elegant and e …

The designed apple watch extension can perform calculations quickly without using your cell phone. - All basic functions included - Super big buttons- …

Count down to your next event, Keep track of Birthdays, Wedding, Anniversaries, Trips and other exciting events that are happening around you. You won …