They download the file (which you can usually do with a little Inspect Element action + yt-dlp), but then also decrypt the file.
Most of the big streaming services use Widevine DRM (or at least did at one point, I might be outdated by now), so just downloading the file gives you appropriately-sized gibberish. These apps tend to be expensive because getting around the DRM is usually non-trivial.
They download the file (which you can usually do with a little
Inspect Elementaction + yt-dlp), but then also decrypt the file.Most of the big streaming services use Widevine DRM (or at least did at one point, I might be outdated by now), so just downloading the file gives you appropriately-sized gibberish. These apps tend to be expensive because getting around the DRM is usually non-trivial.