I am giving out Yoast SEO premium to all members of this community. I have been asked several times which is better YOAST and AIO.
I keep telling people Yoast is ten times better because of its many features, I am not AIO isn't cool, it is also one of the best seo plugin for WordPress.
Reasons why I choose Yoast
1. Readability features
2. Multiple Keywords unlike AIO
If you are a blogger you should know the importance of keywords, so if you are the type that uses keywords a lot then Yoast is the perfect one for you and in general Yoast is the best seo plugin for WordPress.
Don't worry about licence key because I have configured it for you, all you have to do is download, install and activate.
If you use AMP, you might want to read how to link Yoast with AMP