Kid phone

You can buy your kid a dumbphone, or purchase an app (with paid subscription!) to make a spare smartphone dumber, but Jeremy White at Wired figured out that you can also use the buried options in an iPhone to craft a perfect device for a kid. These options are somewhat hidden under the Accessibility menu, and seem to be designed for those with cognitive disabilities, but also work to constrain the access your child has. Full instructions in this Wired article, This Buried Apple Feature Turns an iPhone Into the Perfect Kids’ Dumb Phone. — KK