Who needs a dedicated level tool when you have an iPhone? Here’s how to measure out a flat surface via the Compass tool and apps like iHandy Level and Bubble Level.

As you use iOS 17, you find over and over that there are small updates that make a big difference — and one of them is that the Camera app now comes with a spirit level.

Then take the 4x4 block over to the miter saw and line up the blade with the mark you just made. Lock the saw in place and use this setting to cut the bottom of the post.