I don't have an iPhone so I can't install it but it could be a case of bad communication. At least the product page doesn't explain what problem it is trying to

I don't have an iPhone so I can't install it but it could be a case of bad communication. At least the product page doesn't explain what problem it is trying to solve or what the difference is between this an hangout or whatsapp. So it just looks like just another app. And maybe it is