Your iPhone apps should update automatically, but if they aren't, you can check for updates manually through the App Store.

It's easy to update Snapchat on your iPhone, and it should do so automatically. But if you need to do it manually, here's how.

At some point, maybe during setup, possibly after encountering a pop-up you barely read, you agreed to let your iPhone update apps automatically. It made sense at the time. Automatic updates mean less ...