Watch Tips is a simple way to calculate and split a food or drinks bill with your friends.
You can enter the bill amount, the tip you want to add and how many people you want to split the bill between. The app will then show you the cost per person.
There is also a companion Watch App that offers the same functionality and communicates with the phone version of the app.
With the watch app if you calculate a bill on you watch the same bill and costing will be sent to the phone app.