Wrong pronunciation on iPhone?

I’ve noticed that the audio from Clozemaster is sometimes inconsistent when played on an iPhone. For example イギリス人です。is pronounced correctly as いぎりすじんです。but イギリス人。is pronounced as いぎりすひと

Conversely I hear じん in both cases when using my windows desktop .

Anyone else experienced this? I’ve tried all the Japanese voices on the iPhone. They sound different in tone but they all have the same issue. Is there a way to force a particular reading of a character or kanji?

Thanks!