Ads audio

I bought the in app purchase to remove ads but when I pause audio of quran, the ads audio play but without a video. I want the ads removed completely even the ads audio. Could you please help out with fixing this issue.

Device:
iPhone 6

iOS:
9.2

App:
Quran 3.1.7

Musicstwters12362 about Quran Pro: القران الكريم, v3.1