Comparison

Galton Board App vs NSOperation

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

Head to head
About

Galton Board App

Explore probability and mathematical concepts through an interactive simulation. This app demonstrates the binomial and normal distributions using a dynamic Galton Board, with options to simulate stock market data. It's an engaging tool for learning complex theories.

Highlights
  • Interactive Galton Board simulation
  • Demonstrates binomial and normal distributions
  • Stock market data simulation
  • Detailed mathematical concept explanations
  • Pause and slow-motion options
  • Gyroscope-enhanced bead movement
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!

About

NSOperation

Features
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Your radar for iOS programming developments

Screenshots

Galton Board App4 screens
NSOperation4 screens

Verdict

The call

The clearest difference is in-app purchases: NSOperation at none against Galton Board App's 1. Galton Board App's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 18.2). On price and ads 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. NSOperation asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Galton Board App versus NSOperation: the parameters behind the verdict, then further details
ParameterGalton Board AppNSOperation
PriceFreeFree
Rating5.0 (116 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings116 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better18.2
Further details — not scored
Size67 MB2 MB
Age rating4+4+
DeveloperIndex Fund Advisors, IncDaniel Romero

Bugs and 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)

NSOperation

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Galton Board App

One-time1
  • Stock Market DataFree
None

NSOperation

No in-app purchases

Questions

Is Galton Board App free?
Galton Board App is free to download, with in-app purchases available.
Is NSOperation free?
NSOperation is free to download, with no in-app purchases.
Do Galton Board App or NSOperation have ads?
Neither Galton Board App nor NSOperation shows ads.

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