KEY POINTS
  • The iPhone has a built-in magnifying glass app.
  • Unlike the flashlight app, however, it's an option you need to turn on in settings.
  • CNBC's Todd Haselton shows you how to use the magnifying app on your iPhone.
Girl with magnifying glass.

The Apple iPhone has a built-in magnifying glass that can help you read small text on the fly.

It's perfect if you're in a dark restaurant and forgot your glasses. While most folks seem to know about the flashlight option on the iPhone, the magnifying feature, which uses the phone's camera to zoom in on text, seems a little less well known. That's because it's buried in the settings menu.