Sean King, 25, and Shalina Watts, 25, both of Elkins Park, Pa. are facing theft and related charges.
The robberies all happened Thursday between 8:30 p.m. and 10:30 p.m. in the University City section.
Police say King, Watts and a third suspect stole cell phones and wallets from people in four separate locations:
King and Watts were arrested at 44th and Baltimore Avenue shortly after the last robbery.
The third suspect remains at large.
Police tell Action News no one was hurt during the robberies.
In addition, police are warning everyone to be more aware of their surroundings.
It's estimated that one out of three robberies nationwide involves the theft of a mobile phone.