Niche Finder Mobile - Is this legit? Someone use it?

Monetizing, Advertising & Marketing Marketing Methods
1

Hello

Someone know / use this? It’s like SensorTower research tool for keywords, but most automatic.
Is this legit?

2

I visit their site looks like its a legit one. The the price is kinda expensive 79/per month for PRO and 399/per month for Business. Good luck using it btw.