How to use the built-in bubble level on iPhone

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mobtkr26 May 2022Last Update : 1 month ago
How to use the built-in bubble level on iPhone

As someone who just moved into a new house, having a built-in level on my iPhone was a lifesaver – or rather, a shelf saver. As good as I like to think I am at DIY, I’m just human, and I’m definitely prone to installing wonky wall mounts here and there.

Indeed, with tools spread all over the house, there have definitely been times when I’ve been DIYing, shelf in hand, and reaching my usual level only to realize with annoyance that it’s in another half-decorated room on the other side of the house.

Luckily, the one thing I always have on me – my iPhone 13 Pro Max – has always covered me thanks to its built-in level. It’s features like this that make the iPhone one of the best phones for me.

The iPhone level is hidden in the Measure app, which comes pre-installed on the iPhone, but can be downloaded through the App Store if you’ve deleted it. It is not obvious that this application, which mainly serves as an augmented reality ruler, also serves as an upgrade device. So we are here to show you how to enable inbuilt level on iPhone.

How to Use Built-in Level on iPhone

  • Download the Measure app
  • Open the Measure app
  • Tap Level in the bottom right
  • Place your iPhone on or against what you need to level
  • Tap the screen to save the angle or tilt for comparison

Read on to see detailed instructions for each step.


1. Download the Measure app from the App Store if you haven’t already installed it.

(Image credit: future)

2. Swipe down from the home screen to open Spotlight and type “measure”. Tap the Measure app tile when it appears to open the app.

(Image credit: future)

3. By default, the application is configured in ruler mode. Press Level at the bottom right of the screen.

(Image credit: future)

4. Alternatively, to open Level from your home screen, long press the Measure app tile. When a menu appears, tap Level.

(Image credit: future)

5. Place or hold your iPhone on a surface, either on its side or on its extremity, to measure the horizontal angle of the surface. You will see a degree measurement in the center telling you the side angle of the surface.

Align the two side indents with the top edge of the black block to get a flat horizontal line (0 degree angle), at which point the black block will turn green. The two dashes will also tell you the height of the phone, which can change even on a flat surface.

(Image credit: future)

6. Alternately, place your iPhone flat on a surface, screen side up, to measure whether a surface is flat. When the two circles meet, the surface is flat and the black block turns green.

(Image credit: future)

7. The level can also be used to compare surfaces, if you need to make sure you have the same angle on one or more surfaces. Place your iPhone on the surface whose angle/tilt you want to measure. Touch the screen record measurements; the green block will turn black and stay fixed to represent the angle you recorded.

(Image credit: future)

8. Place your iPhone on the following surface. A red block will indicate how far you are from your recorded angle. It will turn green once you match the recorded horizontal angle. To match the terrain, line up the green and black blocks.

(Image credit: future)

Simply tap your screen again to delete the recorded angle.

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