[marsokod]

When you collect contacts, shouldn't you state the purpose of the communication? If so, I would assume most of the contacts in the address book never consented to being contacted about the non-payment of the bill. So European citizens can't use the app legally.

[BrandoElFollito]

Yes, but you can always get back to them and ask for permission.

The point I am trying to make is that the person who is sharing the information takes the responsibility, not the application (which uses it as advertized, at least according to the quotes here as I did not read the tos myself).