Audio issues!

Ive been using this app on my iPad for about three months. Everything was great until these past two updates. When I click on the speaker sign for most words, I dont hear anything (its quite annoying!). Such a feature was one of the reasons I bought this app in the first place. I wanted to rate this app five stars but this problem needs fixing for this to happen. Please, fix that so I can continue enjoying the app!

Gospelder about Dictionnaire Anglais/Français, v2.2