Apple’s Start Developing iOS Apps tutorial. Learning Swift is like learning how to draw. It’s one of the base skills that you will use to make apps, but it’s not everything you need to use.

According to Apple, Swift will provide a number of significant speed advantages to developers. A complex object sort, for example, will run 3.9x faster than an implementation of the same algorithm ...

When updated to Swift 5 in iOS 12.2, the app size will be reduced by more than 20%, down to under 30 MB. PCalc has a size of 86.8 MB, including 7.5 MB of Swift libraries.

Swift Playgrounds: Learn to Code 1&2: Use this set of lessons with the Swift Playgrounds app. Developing iOS 10 Apps with Swift: The course is offered by the Stanford University School of Engineering.

Unsurprisingly, most usage of Swift in iOS 13 is in new features such as Sidecar, Find My and Reminders. Other apps using Swift include Health, Books and Shortcuts.

Since January, Telegram has operated two versions of its messaging app on Android and iOS: the original and an experimental one called Telegram X. The app was rewritten from scratch for X; it's ...