The data persistence stack that is an appropriate decision today may not be an optimal solution when your app has grown. You would need to design your app to withstand the test of time and be extensible for as it grows. Read more to learn how.
How to Sell watchOS Applications as an In-App Purchase
How do you sell a watchOS app? Through in-app purchase of course, like these fine apps have done. However there’s a caveat condition that you need to guard for, otherwise you risk having angry customers.