I did not read it all and took the time to explore it all, but this is an absolute essential for those who really want to learn how to pronounce words in UK English or American English correctly. One thing seems to be missing and this is the rules that allow to think of how to pronounce or write some specific words though. This is not a reproach at all. Such a tool should have been done much before!
Apps Retriever about Sounds: The Pronunciation App, v3.0