# Easy Probability vs Galton Board App

The clearest difference is review sentiment: Galton Board App at 100% against Easy Probability's 0%. Galton Board App also leads on rating (5.0 vs 4.2) and ratings volume (116 vs 5). Easy Probability's advantage is iOS requirement (8.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Easy Probability sells 1 one-off in-app purchase and Galton Board App sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Galton Board App holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Galton Board App has 116 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Easy Probability's written reviews are positive against 100% of Galton Board App's.

Easy Probability ships an update every 2 weeks, Galton Board App every 3 weeks. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Easy Probability | Galton Board App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/easy-probability/id1503574851/reviews) | **[5.0 (116 ratings)](https://appshunter.io/ios/app/galton-board-app/id6446604966/reviews)** |
| Number of ratings | 5 | **116** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 67 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | +4 | 4+ |
| Developer | [Jelle Van den Eynde](https://appshunter.io/developer/1494263169) | [Index Fund Advisors, Inc](https://appshunter.io/developer/914924558) |

## What reviewers say

### Easy Probability

[App page](https://appshunter.io/ios/app/easy-probability/id1503574851)

Master basic probability with interactive quizzes designed to improve your academic performance and decision-making skills. The app offers a gradual learning curve, starting with simple problems and progressing to more complex challenges, all without advertisements.

**Highlights:** Gradual learning curve, Interactive quizzes, Voice-over narration, Voice input for answers, Dark theme support, Portrait and landscape modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 2 quizzes | $0.99 | one-time |


### Galton Board App

[App page](https://appshunter.io/ios/app/galton-board-app/id6446604966)

Explore probability and mathematical concepts through an interactive simulation. This app uses your device's gyroscope to create a dynamic Galton Board, illustrating binomial and normal distributions. It also offers a stock market simulation to demonstrate market return probabilities.

**Highlights:** Interactive Galton Board simulation, Binomial and normal distribution demonstration, Stock market data simulation, Detailed mathematical concept explanations, Pause and slow-motion controls, Historical market return bead simulation

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stock Market Data | Free | one-time |

**What reviewers like**

- 👍 Great for understanding bell curves
- 👍 Excellent educational tool
- 👍 Visually appealing and well-designed
- 👍 Helpful for STEM and psychology classes
- 👍 Simplifies complex math concepts

**Requested features**

- Bring back the physical product (commented by EJ's App, likely not a feature request for the app itself but a general wish)


## Frequently asked questions

### Is Easy Probability free?

Easy Probability is free to download, with in-app purchases available.

### Is Galton Board App free?

Galton Board App is free to download, with in-app purchases available.

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

Galton Board App is rated higher. Easy Probability averages 4.2 out of 5 from 5 ratings, while Galton Board App averages 5.0 from 116 ratings.

### Do Easy Probability or Galton Board App have ads?

Neither Easy Probability nor Galton Board App shows ads.

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

Easy Probability ships an update every 2 weeks, and Galton Board App every 3 weeks. Most recently, Easy Probability was updated on September 20, 2026 and Galton Board App on September 19, 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.*