Sophie's Dice app for iPhone and iPad

The ultimate 3D dice roller: roll many kinds of virtual dice, and make custom dice suited for almost any game.

Features:
• Select dice from your collection, or enter roll expressions using standard dice notation
• Support for many roll behaviours such as keeping or dropping highest/lowest X dice, explosion, dice pool counting, and more
• Save roll expressions you frequently use, to easily re-roll them
• Includes dice for most table-top RPGs*
• Easily edit dice to make them your own
• Includes many pre-made dice, over 300 rollable dice shapes, and lots of images/sound effects/visual effects for all kinds of custom dice
• Input stats from your character sheet to use in roll expressions

*d20 system (DnD), Fudge/Fate, Narrative system (Star Wars, Genesys), Storytelling (Vampire), Lancer. If your RPG needs some other kind of dice, you can make them pretty easily.