Comparison

Fibonacci Sequence vs Galton Board App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fibonacci Sequence

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Calculation of up to 999th term of Fibonacci sequence. Engaging string arithmetic to overcome big integer processing limitations of computers

About

Galton Board App

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
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Unlock the power of probabilities and explore the beauty of mathematics in motion with the Galton Board App. This innovative application transforms your mobile device into a dynamic, interactive probability demonstrator that brings centuries-old mathematical concepts to life. The app utilizes your iPhone's and iPad's gyroscope capabilities, creating an immersive experience where the beads appear as if they are rolling around inside your device. The Galton Board was invented by Sir Francis Galton in 1873 to illustrate the binomial distribution. Through our app, we've recreated this educational tool to demonstrate how, with a large number of beads and rows of hexagons, it approximates the normal distribution - a concept known as the Central Limit Theorem. Key Features: • An interactive Galton Board that displays the principles of probabilities and the binomial distribution. • Detailed explanations of related mathematical concepts, including probability theories, independent identically distributed (IID) random variables, regression to the mean, the law of large numbers, the random walk, the Gambler's Fallacy, and more. • A "Stock Market Data" version, simulating the probabilities of a range of historical monthly market returns, and demonstrating their correlation with the binomial distribution. • The 'Historical Monthly Return Beads' featured with the Stock Market Data, where beads fall through the board based on monthly historical returns for a choice of 20 index portfolios. • Pause or slow-motion options to study the bead movement and distribution patterns in detail. The Galton Board App is ideal for statistics, math, and stock market enthusiasts. It is not just an app, it's an immersive, hands-on approach to understanding probabilities, the binomial distribution, and the stock market behavior. Presented by Index Fund Advisors, this app is your go-to educational tool. Download now and embark on a fascinating journey into the world of probabilities and the "law of unreason" as referred to by Sir Francis Galton himself!

Screenshots

Fibonacci Sequence1 screens
Galton Board App4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Fibonacci Sequence versus Galton Board App: the parameters behind the verdict, then further details
ParameterFibonacci SequenceGalton Board App
PriceFreeFree
Rating—5.0 (116 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—116 — better
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Mac
Requires iOS13.3 — better15.0
Further details — not scored
Size1 MB67 MB
Age rating4+4+
DeveloperKonstantinos LadiellisIndex Fund Advisors, Inc

Bugs and requests

Fibonacci Sequence

Not enough reviews yet to summarise bugs or requests.

Galton Board App

Requested features

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

In-app purchases

None

Fibonacci Sequence

No in-app purchases

1 purchases

Galton Board App

One-time1
  • Stock Market DataFree

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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