ownCloud does sync with iPhone, yes. I am still basically on Google myself, but did a trial install of ownCloud and it worked pretty much instantly. Just add as

ownCloud does sync with iPhone, yes. I am still basically on Google myself, but did a trial install of ownCloud and it worked pretty much instantly. Just add as CalDAV and CardDAV accounts on the iPhone, the correct addresses to use is shown in ownCloud somewhere.