wp-tiles iPad / iPhone no Image Effect

Hello,
it is a feature or a problem?
Open on iMac Safari : https://wp-tiles.com/example-pages/team-members/
Hover on image of Danielle Mudoch . Display Info ( Byline effect ) .

Open Safari on the iPhone : https://wp-tiles.com/example-pages/team-members/
Hover on image of Danielle Mudoch . No Hover effect Byline .

Same problem https://nhp-herten.de on my side .
Hover on any image … No Hover effect on iPhone Byline >> Safari

Except I’m on my page logged in as Admin . ( https://nhp-herten.de/wp-admin/admin.php )
Then the Hover Effect works also on my iPhone…

Please help!
greetingxxxx

Hi,
please help me with this problem…

greetingxxx