# Fibonacci Sequence vs Galton Board App

The clearest difference is in-app purchases: Fibonacci Sequence at none against Galton Board App's 1. Fibonacci Sequence also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.3 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Galton Board App sells 1 one-off in-app purchase. Fibonacci Sequence asks for nothing beyond the download.

Fibonacci Sequence ships an update every 4 days, Galton Board App every 3 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fibonacci Sequence | Galton Board App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (116 ratings)](https://appshunter.io/ios/app/galton-board-app/id6446604966/reviews)** |
| Number of ratings | — | **116** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 67 MB |
| Requires iOS | **13.3** | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) | [Index Fund Advisors, Inc](https://appshunter.io/developer/914924558) |

## What reviewers say

### Fibonacci Sequence

[App page](https://appshunter.io/ios/app/fibonacci-sequence/id1660404184)

**In-app purchases:** none


### 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 Fibonacci Sequence free?

Fibonacci Sequence is free to download, with no in-app purchases.

### Is Galton Board App free?

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

### Do Fibonacci Sequence or Galton Board App have ads?

Neither Fibonacci Sequence nor Galton Board App shows ads.

### Which is updated more often, Fibonacci Sequence or Galton Board App?

Fibonacci Sequence ships an update every 4 days, and Galton Board App every 3 weeks. Most recently, Fibonacci Sequence was updated on October 12, 2026 and Galton Board App on October 8, 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.*