It is optional if you would like to have a quick access to your liked YouTube Videos & Playlist, but not obligatory.
– Softorino YouTube Converter, at the same time, works Perfectly without YouTube verification. In this case, you have to create a YouTube account first. The thing is that you can’t use Airy YouTube Downloader for Mac if you decide not to, or you simply don’t have one. On the other hand, when you launch Airy for Mac, the first thing you’re asked to do – is Login to your YouTube Account.