I'm using iOS 9.1 and I want to assign one ringtone for all known contacts and a different one for non-contacts.
I also have another ringtone for a few specific contacts, but in general I want to know if the person who's calling is on my contact list.
How can this be achieved without any jailbreaks or the like ?
I'm also aware that I could just define a ringtone for my entire contacts list. But this is just inconvenient. Every time I add a contact on my Google Account I would have to assign the ringtone on the iPhone.