# Distributions — Statistical Distributions

> Statistical Distributions (iPhone/iPad app by Joao Frasco.)

- Source: https://appshunter.io/ios/app/distributions/id1671719077 (this page in markdown: same URL + `.md`)
- Developer: [Joao Frasco](https://appshunter.io/developer/1105081507)
- Category: Education, Utilities
- Price: $4.99
- Age rating: 4+
- Requires: iOS 26.0 · 3 MB
- Languages: American English
- Released: 2023-02-18
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/distributions/id1671719077/reviews.md

## What is Distributions?

Distributions – Explore Probability Visually

Distributions is an educational app that helps you understand how parameters affect the shape and properties of 35 probability distributions. With interactive charts, sliders, and real-time statistics, you can see how changes in parameters impact the distribution instantly. Perfect for students, teachers, and anyone interested in statistics or data science.

Key Features:
• Explore both discrete and continuous distributions
• Interactive charts for probability mass/density and cumulative functions
• Real-time parameter editing with sliders and text fields
• View mean, variance, skewness, and more
• Random sampling demonstration
• Predefined examples and parameter sets
• Supports dark mode for comfortable viewing

How It Works:
1. Select a distribution to explore
2. Adjust parameters and watch the chart update
3. View key statistics and properties
4. Try random sampling to see variability

Perfect For:
• Students learning statistics
• Teachers demonstrating concepts
• Data scientists and analysts

Distributions makes learning probability intuitive and visual. Download now and start exploring!


## Version history (last 5 releases)

### 2025.11.02 — 2025-11-03

Small bug fix!

### 2025.11.01 — 2025-11-02

Updated to iOS 26!

• Added 10 new distributions: Gumbel, Rayleigh, Log-Logistic, Triangular, Erlang, Inverse Gamma, Inverse Chi-Squared, Lévy, Fréchet, and Logarithmic
• Now includes 35 total distributions (10 discrete, 25 continuous)
• Support for 3-parameter distributions (Triangular, Fréchet)
• Improved numerical stability for edge cases
• Enhanced chart rendering for heavy-tailed distributions
• Updated help and documentation

### 2024.12.23 — 2024-12-23

Updated to iOS18!

### 2023.10.11 — 2023-10-11

Updated to iOS 17.0!

### 2023.05.28 — 2023-05-28

Updated to iOS 16.4.

## Apps similar to Distributions

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Uncertainty Calculator](https://appshunter.io/ios/app/uncertainty-calculator/id1170905440) | 5.0 (1) | $3.99 | Education |
| [Birdathon](https://appshunter.io/ios/app/birdathon/id1211977440) | 4.7 (15) | Free | Education |
| [Campus Labs® Event Check-in](https://appshunter.io/ios/app/campus-labs-event-check-in/id1221503400) | 4.8 (1,381) | Free | Education |
| [Solar System Simulator](https://appshunter.io/ios/app/solar-system-simulator/id1190193240) | 2.0 (3) | Free | Education |
| [Geostationary Orbit 3D Lab](https://appshunter.io/ios/app/geostationary-orbit-3d-lab/id1190211000) | — | Free | Education |
| [DoodleConnect](https://appshunter.io/ios/app/doodleconnect/id1176073180) | 4.7 (55) | Free | Education |

## More apps by Joao Frasco

- [Cricket Darts Chalkboard](https://appshunter.io/ios/app/cricket-darts-chalkboard/id1105081508)
- [FinCalc](https://appshunter.io/ios/app/fincalc/id1116399493)
- [WhenLast?](https://appshunter.io/ios/app/whenlast/id1142224693)
- [Speedometers](https://appshunter.io/ios/app/speedometers/id1146874201)
- [Learn Graphs](https://appshunter.io/ios/app/learn-graphs/id1155922532)
- [PongPin](https://appshunter.io/ios/app/pongpin/id1219753081)

All apps by Joao Frasco: https://appshunter.io/developer/1105081507

## Related topics

[distributions](https://appshunter.io/ios/topics/distributions)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*