The first two features on the "Major Features" list are paywalled, and this is mentioned only on the bottom of the description.

Clickbait for Premium purchases

Requires payment

Maybe it used to be good, but it now requires payment to download as mp3 (and some video type(s))

1080p not free

An automatic update today, rendered my down loader useless. I've enjoyed it for a long time. What can I do? Do I have to pay more money?

This addon will pop up a new tab every couple of days while your trying to beg you for money, there is no way to stop firefox launching and going to this new tab, I've had virus's which were less invasive. Avoid.

Annoying popups every time it updates.

Бесплатно не работает

Shortcuts don't show up under the video.

Can't get fullHD video

malakia

Pay only, I wouldn't give a one star rated if they warned about this at the time of downloading, you only know this AFTER you downloaded and installed it.

Debería indicar bien visible que está limitado en funciones al no ser que pagues por él.

expensive

Fonctionne plus mais pour demander une cotisation ca fonctionne !