Dice Probabilities Calculator

Know Your Odds Before You Roll

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Build mixed dice pools, set a target, get exact probabilities instantly. The essential calculator for board gamers and game designers. Build any dice pool. Get instant probabilities. Make smarter decisions at the table. Dice Probabilities is a fast, elegant calculator for board gamers and game designers. Mix and match dice types — 2d6, 1d10, 3d8, whatever your game needs — set a target number, and instantly see the exact probability of hitting it. FEATURES - Mixed dice pools: combine d4, d6, d8, d10, d12, and d20 in any combination - Three comparison modes: Exactly, At Least, or At Most your target - Instant results with percentage, simplified fraction, and plain-English description - Save your favourite dice pools to the library for quick access - Clean visual display with animated probability chart - Light and dark mode support - No ads. No account required. No internet needed. PERFECT FOR - Board gamers settling odds debates mid-game - RPG players weighing risky rolls - Game designers balancing mechanics - Maths students exploring probability - Anyone who's ever wondered "what are my chances?" The probability engine uses exact convolution — no simulation, no approximation. Every result is mathematically precise.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, FishLight, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Fishlight Ltd.
    Size
    • 863.2 KB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Fishlight Ltd 2026
  • Developer Website
  • Privacy Policy

    • More by FishLight