Probability Lab

Distribution Calculator

Free · In‑App Purchases

Probability Lab is an interactive toolkit for exploring probability distributions and statistical concepts. Choose from a wide range of continuous and discrete probability distributions, including the Normal, Binomial, Poisson, Beta, Gamma, Student's t, Chi-Square, and many more. Instantly compute probability density (PDF), cumulative distribution (CDF), inverse CDF (quantile), and other distribution functions with precise results. Visualize every distribution using smooth, interactive graphs. Adjust parameters in real time and watch the curve update instantly, making it easy to build intuition about how each parameter affects the distribution. Whether you're studying for a statistics course, teaching probability, or simply exploring mathematical concepts, Probability Lab provides a fast, intuitive, and beautiful way to understand probability distributions. **Features** • 15+ continuous and discrete probability distributions • Compute PDF, PMF, CDF, inverse CDF (quantile), and more • Interactive graphs with real-time parameter adjustment • Smooth, high-quality visualizations • Designed for students, educators, and anyone learning probability and statistics For questions or feedback, contact us anytime at chordstudio3572@outlook.com Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

  • 5.0
    out of 5
    1 Ratings

The developer, Jin Zhang, 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

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

    Seller
    • Jin Zhang
    Size
    • 3.8 MB
    Category
    • Education
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    • English and Simplified Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © Jin Zhang 2026