It's possible to create your iPhone app entirely in Swift Playgrounds, but you can also export projects into Xcode (Apple’s full-fat development environment).

It has sections that guide someone looking to begin making apps from starting, through set-up, tutorials, fundamentals, developing and guiding them to further resources.

This article takes a (largely) unbiased look at the strengths and weaknesses of developing for Android vs iOS. Which is easier and most profitable?

You can offload iOS apps instead of deleting them. Freeing up space without losing your personal data. Its super-easy to do, find out how right here.