Last summer, after watching an inspiring showcase featuring apps created by young coders using Apple's Swift Playgrounds programming language, I resolved to enlist my kids to develop an iPhone app.

Developer Mode lets you run unsigned code on your iPhone or iPad. Enable it, and you can download and run apps that are not from the App Store (or alternative app marketplaces) or in TestFlight, Apple ...

While most popular smartphone apps are present on both Android and iOS, here are some apps that work better on an iPhone than ...