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/
Ratings & Reviews
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Probability Lab Pro $9.99
- Copyright
- © Jin Zhang 2026
