# Probability vs Galton Board

The clearest difference is price: Galton Board at Free against Probability's $1.99. Galton Board also leads on iOS requirement (16.0 vs 26.0). Probability's advantage is review sentiment (97% vs 60%) and rating (4.9 vs 4.6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Galton Board is free to download; Probability costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Probability holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 193 and 44 respectively. Written reviews point the same way: 97% of Probability's written reviews are positive against 60% of Galton Board's.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Probability | Galton Board |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.9 (193 ratings)](https://appshunter.io/ios/app/probability-distributions/id889106396/reviews)** | [4.6 (44 ratings)](https://appshunter.io/ios/app/galton-board/id1419746563/reviews) |
| Number of ratings | **193** | 44 |
| Positive reviews | **97.2% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Best chart rank | **#196** | — |
| Size | 7 MB | 8 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Matthew Bognar](https://appshunter.io/developer/889106399) | [Edwin Veger](https://appshunter.io/developer/1025412576) |

## What reviewers say

### Probability

[App page](https://appshunter.io/ios/app/probability-distributions/id889106396)

**Currently charting:** #196 Top Paid · Education (US App Store)

Calculate probabilities, find percentiles, and visualize probability density or mass functions for a wide range of continuous and discrete statistical distributions. Explore common distributions like normal, binomial, Poisson, and many more.

**Highlights:** Compute probabilities, Determine percentiles, Plot probability density function, Plot probability mass function, Supports 10+ continuous distributions, Supports 5+ discrete distributions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 📊 Great for probability distributions
- 💡 Useful for checking work and homework
- 💰 Free advanced functions
- 📈 Visualizes data and distributions

**What reviewers complain about**

- 🚫 Not allowed on some exams
- 🤔 Some users want more features

**Requested features**

- Exam mode similar to Geogebra
- Poisson distribution
- Allow setting plot boundaries (e.g., for Beta distribution)
- Make formulae available in offline mode
- Clearly introduce parameters


### Galton Board

[App page](https://appshunter.io/ios/app/galton-board/id1419746563)

Explore probability theory with a simulation of the classic Galton board. Adjust board size, send numerous balls through a pin maze, and observe emergent patterns visualized in a bar chart. Ideal for educational purposes, it helps grasp concepts of chance and their relation to Pascal's Triangle.

**Highlights:** Galton board simulation, Adjustable board size, Simulate over a thousand balls, Bar chart visualization of results, Educational tool for probability, Related to Pascal's Triangle

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probability free?

Probability costs $1.99, with no in-app purchases.

### Is Galton Board free?

Galton Board is free to download, with no in-app purchases.

### Which has better reviews, Probability or Galton Board?

Probability is rated higher. Probability averages 4.9 out of 5 from 193 ratings, while Galton Board averages 4.6 from 44 ratings.

### Do Probability or Galton Board have ads?

Neither Probability nor Galton Board shows ads.

### Which is updated more often, Probability or Galton Board?

Probability ships an update every 3 months, and Galton Board every 3 months. Most recently, Probability was updated on October 24, 2026 and Galton Board on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*