Why do I need to purchase – Thumbnail Maker for YT Videos Review

I try to click on other stuff it shows to buy “the better version” I try to save my stuff but I need to buy something and it to much money I’m trying to make my channel grow but I can’t make thumbnails with this I’m sorry but I’m going back to what I had This was a good app tho!
Review by Kaito anims on Thumbnail Maker for YT Videos.