Maybe a scam? It wont stop charging me $2.99!

I downloaded the 7 day trial and cancelled my subscription before that ended. The app continued to charge me. I have tried to cancel the subscription three times now! I have been charged $2.99 once a week for the last few months! It will look like you have cancelled the app, but then it will keep charging you! Dont do it!

n0regard about Free Karaoke! Sing karaoke on YouTube with Yokee, v4.1.5