# Probability Distribution — Visual Probability Calculator

> Calculate and visualize probability distributions for statistical analysis. (iPhone/iPad app by Madiyar Aitbayev.)

- Source: https://appshunter.io/ios/app/probability-distribution/id6447695305 (this page in markdown: same URL + `.md`)
- Developer: [Madiyar Aitbayev](https://appshunter.io/developer/1229466587)
- Category: Education, Utilities
- Price: Free with in-app purchases (on sale, was $2.99)
- Rating: 4.50/5 from 15 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 7 MB
- Languages: American English
- Released: 2023-05-01
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/probability-distribution/id6447695305/reviews.md

## What is Probability Distribution?

Calculate probabilities and visualize probability distributions.

Supported continuous probability distributions:
- Normal (Gaussian)
- t (Student's t)
- Chi-Squared
- F
- Exponential
- Gamma
- Beta
- Log-normal

Supported discrete probability distributions:
- Binomial
- Poisson
- Pascal
- Geometric 
- Hypergeometric

and more are coming.

## Key features

- Calculate probabilities
- Visualize distributions
- Normal (Gaussian) distribution
- Binomial distribution
- Poisson distribution
- Exponential distribution

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock All Distributions | $2.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/probability-distribution/id6447695305/reviews.md

### 5/5 — Near perfect app for its purpose

*2025-12-30*

If you need various statistical distributions this is the app. Quite comprehensive and very useful. If it had the inverse-gamma distribution it would be absolutely perfect.

**Developer response:** Thank you for the feedback! The inverse gamma distribution is now available in the latest version
.

### 1/5 — Don't Understand This

*2024-06-10*

Where are instructions how to use?

### 1/5 — Auto-opens on iPhone

*2024-06-03*

App constantly opens itself

## Frequently asked questions about Probability Distribution

### What probability distributions does Probability Distribution support?

Probability Distribution supports several continuous distributions like Normal, t, Chi-Squared, F, Exponential, Gamma, Beta, and Log-normal. It also includes discrete distributions such as Binomial, Poisson, Pascal, Geometric, and Hypergeometric.

### Is Probability Distribution free to use?

No, Probability Distribution is a paid application. It is available for a one-time purchase price of $2.99.

### What devices is Probability Distribution available on?

Probability Distribution is compatible with both iPhone and iPad devices, offering a seamless experience across Apple's mobile ecosystem.

### How often is Probability Distribution updated?

The app was last updated on April 11, 2026, indicating a commitment to ongoing development and improvements. Specific update frequency is not detailed, but the recent update suggests active maintenance.

### What is the age rating for Probability Distribution?

Probability Distribution has an age rating of 4+, making it suitable for a wide range of users including younger learners and adults.

### What do users think of Probability Distribution?

Users have rated Probability Distribution highly, with an average of 4.5 stars from 15 ratings, suggesting positive user sentiment and satisfaction with its functionality.

### Does Probability Distribution have ads?

No, Probability Distribution does not contain advertisements. Users can enjoy an uninterrupted experience while performing calculations and visualizations.

### Can Probability Distribution be used offline?

The provided data does not specify offline functionality. However, as a calculation and visualization tool, it is likely designed to function without a constant internet connection once installed.

## Version history (last 5 releases)

### 2.0.0 — 2026-05-10

Converted this app to in app purchase so that you can try it out before purchasing.

### 1.36.1 — 2026-04-11

Added support for French and Italian.

### 1.35.0 — 2026-04-02

• Added support for Chinese (Simplified) and Japanese languages.
• Improved localization and internal fixes.

### 1.34.0 — 2026-03-19

Now app is available in German, Russian, Spanish (Mexico), Spanish (Spain), and Spanish (Argentina).

### 1.33.0 — 2026-03-17

This app now supports the following localizations: German, Spanish (Mexican), Spanish (Spain), Russian

## Apps similar to Probability Distribution

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Art of Stat: Distributions](https://appshunter.io/ios/app/art-of-stat-distributions/id1564877193) | 4.8 (53) | Free | Education |
| [IntroStat - Statistics Solver](https://appshunter.io/ios/app/introstat-statistics-solver/id1592602025) | 4.9 (24) | Free | Education |
| [Binomial Distribution Calc](https://appshunter.io/ios/app/binomial-distribution-calc/id6472449122) | — | Free | Education |
| [Matrix Operations](https://appshunter.io/ios/app/matrix-operations/id1546613436) | 4.7 (18) | Free | Education |
| [Art of Stat: Explore Data](https://appshunter.io/ios/app/art-of-stat-explore-data/id1599474757) | 4.9 (24) | Free | Education |
| [Probability-Distributions](https://appshunter.io/ios/app/probability-distributions/id889106396) | 4.9 (193) | $1.99 | Education |

## More apps by Madiyar Aitbayev

- [Unlimited Math Problems](https://appshunter.io/ios/app/unlimited-math-problems/id1244547440)
- [Selfie Stickers](https://appshunter.io/ios/app/selfie-stickers/id1619509105)
- [Fraction Steps: Learn Visually](https://appshunter.io/ios/app/fraction-steps-learn-visually/id1639786814)

All apps by Madiyar Aitbayev: https://appshunter.io/developer/1229466587

## Related topics

[probability distribution](https://appshunter.io/ios/topics/probability-distribution) · [binomial distribution pro](https://appshunter.io/ios/topics/binomial-distribution-pro) · [distributions](https://appshunter.io/ios/topics/distributions) · [probability for kids](https://appshunter.io/ios/topics/probability-for-kids) · [binomial distribution](https://appshunter.io/ios/topics/binomial-distribution) · [binomial distribution calc](https://appshunter.io/ios/topics/binomial-distribution-calc)

---

*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.*