Dicey: Fair Dice Roller

The number is decided by cryptography before the dice ever move — and you can check it. Real 3D physics, mixed hands, custom faces, Table Mode. Free for a week.

Dicey is the dice app for people who actually play at a table.

EVERY ROLL IS PROVABLE The result is generated by a cryptographically secure engine and committed to storage BEFORE the animation begins. The dice are choreography — they receive the number and cannot change it. Watch the commitment hash appear while the dice are still tumbling, share a verification receipt, re-derive any past roll from its seed, and replay it — never reroll it.

REAL DICE, REALLY THROWN A full physics simulation throws your dice — real tumbling, real collisions, real settling — rendered like a product shoot: soft studio light, reflections, true dice-set proportions from the d4 to the percentile pair. In a hurry? Quick and Instant modes, and one tap skips any animation without touching the result.

BUILT FOR THE TABLE • Mix any dice in one roll — 2d6 + d20 + d100 • Results in roll order with order badges (sorting is only a view) • A total you can read across the table • Tap a die to lock it; roll again for the rest • Named presets: your board-game hand, your attack roll, advantage — one tap • Table Mode: everyone rolls the same hand in turns, each player keeps their score chip, and the latest total faces the player sitting across • Custom dice: put symbols, words, or emoji on the faces; give each face its own score and meaning; they render engraved into the same premium plastic • Eleven dice materials and eleven tables — frosted, ivory, walnut, aluminium, steel, bronze, chrome, obsidian, dichroic, glow

ONE PRICE, NOTHING ELSE One week free, then 4.99 a year. That is the whole business model. No ads, no consumables, no "premium dice" that roll differently, and no rating prompt between throws. Nothing you can buy changes what a die lands on. Everything in the app is included the moment you start, and it is shared with your family through Family Sharing at no extra cost.

WHAT LEAVES YOUR PHONE Nothing you roll. Not the value, not the seed, not the commitment hash. The whole claim of this app is that the number was decided on your device and committed before it was shown, and a copy of that on a server is the one thing that would undermine it.

HONEST BY DESIGN Every roll writes a commit-before-reveal record you can audit in the history drawer, where each row's badge is re-derived live from its stored seed. The app announces each die in roll order for VoiceOver, and values are never communicated by colour alone.

Dicey. The number was already true before the dice stopped.

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