Discover Mobile 2.0 (iTunes App Store)
The only information needed to transfer funds is the payee’s email address or mobile phone number. The person receiving the payment needs a valide PayPal account. The person sending money is not charged a fee. An individual receiving the money are not charged a fee either. However, business who receive payment through Money Messenger are charged a fee to accept the money. The person sending the money from their Discover Card account does not need a PayPal account. Those holding Business, Corporate and Titanium cards cannot use Money Messenger at this time.
via socialtimes.com