If you are using a Cricut machine, it is mandatory to use the companion app. The Cricut Design Space app comes with multiple OS compatibility and provides cloud-based storage features. As a result, it allows you to work on multiple devices on the same projects without any issues. In addition, the app also helps in setting up the machine and operating it. If you want to download the Cricut app or learn more about it, then go to cricut.com/setup to get a full understanding.