Roll20 for iPad is a free-to-use set of digital tools optimized for pen-and-paper tabletop games. Take advantage of Roll20’s powerful “QuantumRoll” dice engine, community-submitted roleplaying character sheets, visual handouts, text chat and more at your physical gaming table, or as a second screen with the online Roll20 Virtual Tabletop.
Be advised that currently the application must be used in conjunction with a campaign started via the free-to-use Roll20 Virtual Tabletop.