What it does
Type dice notation, tap Roll, and get an instant result. Tap Simulate to run thousands of trials and see the full probability distribution as a histogram — handy for weighing the odds before the real roll.
Features
- Standard notationNdM, modifiers, and quick presets.
- Advantage & disadvantageRoll twice, keep the best or worst.
- Keep / dropKeep or drop highest/lowest dice (kh/kl/dh/dl).
- Exploding diceMax rolls explode and roll again.
- Probability simulationMonte-Carlo histogram of outcomes.
- Fully offlineNo account, no network, no tracking.
Notation examples
1d20 roll one twenty-sided die2d6+3 two six-sided dice, plus three4d6dl1 roll four d6, drop the lowest2d20kh1 roll with advantage (keep highest)1d100 percentile roll