Does Perlite make a difference?

"Coarser perlite, with its larger particles, is better for improving aeration in potting mixes and is commonly used for plants that require well-draining soil, such as succulents," says Tony O ...

Many gardeners use the terms “potting mix” and “potting soil” interchangeably ... which helps with drainage. Perlite, a porous white volcanic rock that improves drainage and aeration.