# Probability Distribution vs Bundesland

The clearest difference is review sentiment: Bundesland at 100% against Probability Distribution's 33%. Bundesland also leads on in-app purchases (none vs 1). Probability Distribution's advantage is price (Free vs $0.99) and update cadence (every 2 weeks vs every 11 months). On ads, monetization model, device support and iOS requirement there is nothing between them.

Probability Distribution is free to download; Bundesland costs $0.99 up front. Probability Distribution sells 1 one-off in-app purchase. Bundesland asks for nothing beyond the download.

Probability Distribution ships an update every 2 weeks, Bundesland every 11 months. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Probability Distribution | Bundesland |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/probability-distribution/id6447695305/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Madiyar Aitbayev](https://appshunter.io/developer/1229466587) | [Martin Hanske](https://appshunter.io/developer/1716050508) |

## What reviewers say

### Probability Distribution

[App page](https://appshunter.io/ios/app/probability-distribution/id6447695305)

This app allows users to calculate probabilities and visualize various continuous and discrete probability distributions. It supports a wide range of common distributions and plans to add more in the future.

**Highlights:** Calculate probabilities, Visualize distributions, Normal (Gaussian) distribution, Binomial distribution, Poisson distribution, Exponential distribution

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Distributions | $2.99 | one-time |


### Bundesland

[App page](https://appshunter.io/ios/app/bundesland-profi/id6480050389)

Explore the diversity of Germany with this app. Learn capitals, flags, and coats of arms of the 16 German federal states through interactive quizzes and games. Ideal for travelers or anyone interested in German culture.

**Highlights:** Learn German federal state capitals, Discover state flags and coats of arms, Interactive quizzes and games, Engaging visual presentations, Detailed regional descriptions, No data collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probability Distribution free?

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

### Is Bundesland free?

Bundesland costs $0.99, with no in-app purchases.

### Do Probability Distribution or Bundesland have ads?

Neither Probability Distribution nor Bundesland shows ads.

### Which is updated more often, Probability Distribution or Bundesland?

Probability Distribution ships an update every 2 weeks, and Bundesland every 11 months. Most recently, Probability Distribution was updated on November 3, 2026 and Bundesland on November 10, 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.*