Instant Spirit Level

If you need a spirit level tool but don't have one with you, you can use your phone as an instant Spirit level. 

You don't need to install an app, just click on this link Spirit Level

image generated by artificial intelligence (chatGPT) 

If you don't want to click on the link, you could just type spirit level on the Google search bar.

The instant spirit level will use your phone's gravity sensors to move the virtual bubble.