How to Get rid of this app please help !!! – Math games for kids, toddlers Review

This App I installed long back and uninstalled/removed within week. But still I keep getting monthly bill. I reported issue to Apple and even this app owner. Nothing happened so far and there is no way I can officially unsubscribe this... checking like hell to unsubscribe ( iTunes / purchased app ) there is no option to remove I sent email to Apple.No response yet and again I see monthly bill. I think it’s better to take my credit card help. I will tell them Apple and these people are simply robbing the money please cancel all transactions and block Apple for ever.
Review by V4win on Math games for kids, toddlers.