Ipad on click sub menu select page under the menu

Hallo to all,
Last month I'we to buy the JUX "Mega Menu - A responsive Joomla Mega Menu"
so, now I'we a problem !
I don't understand why in Apple Pc, samsung mobile san oder all' it's ok,
but in iOS mobile iPhone / iPad it does not work:
in particular :
when we open menu and click on submenu voice, for example "Pialla" the menu do not work and the iPad select the under element (Trattore usato Marca Ford, picture attach) !
This is very atypical, it's ok in windows mobile, android, ex.
Please help us we do not understand why !
Tks
Simone

Hi rambelli!
Please send ticket for me. I will check for you.
Best Regards,
Huyen Tran