I use the free version and it's fine for what I need. I haven't had any issues with it personally.

The features are great if you want to improve how easily your videos show up on search results. From finding which keywords work best, to getting a daily video suggestion (in testing currently.)

(I use this with tubebuddy for a better experience... Shhh! Don't tell them I told you ;)

this is best

plaice grow my channel,with 100k subscribe

Oke