Увы, нет.
Вот ответ с оф.форума NChat
As I mentioned before it generally seems to be bandwidth or host related. It is not a browser or software fault. Occasionally it was turning up on chat before we migrated to a faster server and better plan.
Хотя по мне он выглядит немного странно, а яблочное устройство это iPhone через GPRS или .... ?
