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.

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. Your smartphone reveals an ...

These underrated iPhone apps with powerful free features will solve real problems, save time, and prove the App Store still hides real gems.