11 iPhone tricks you really need to know about

iPhones are not cheap. So to make the most of your investment, you’ll want to be aware of all of its features – including some of the most useful ones that many people don’t know about.

For example, did you know that your trusty iPhone can function as a measuring tape using the power of augmented reality (AR)? Or that Apple’s Back Tap feature means you can take a screenshot just by knocking on the rear of your mobile?

Below, we’ve pulled together some handy tips so you can get more from your iPhone, including our favourites from Which? members.

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1. Use your iPhone to measure nearby objects

The Measure App (available on iOS 12 and above) uses your mobile’s rear camera to measure real-world objects. Your phone can automatically detect the dimensions of a rectangular object, or you can manually tap the screen to set start and end points.

To try it yourself, open the Measure app and move the iPhone camera slowly to scan a nearby object. For automatic measurements, the iPhone will detect the edge of the object and frame it in a white box – tap the white box or select the symbol to see the dimensions. 

You can take a picture of the measurement with the camera shutter.

If you’re taking a manual measurement, align the on-screen dot at the center of your screen with the point where you want to start measuring, then tap Add. Slowly move your phone to the end point, then hit the + symbol to see the measured length. 

Again, use the camera shutter button to save the results. Otherwise, tap Clear to start again.

Ruler view

On iPhones equipped with a LiDAR Scanner (iPhone 12 Pro and 12 Pro Max, iPhone 13 Pro and 13 Pro Max, iPhone 14 Pro and 14 Pro Max), you can measure the height and straight…

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