RPG Simple Dice is the most easy to use dice roller app for tabletop RPG games. Available features: default dice: d4, d6, d8, d10, d12, d20 and d100. Custom dice: make a d3 or any other die specifying the number of sides. Roll X times the dice (1 100). Modifier (-100 +100). History. No ads or weird permissions. I hope you enjoy it! Any suggestions please send me an e-mail.