# Stats & Probability Calculator vs Discrete Probability

The clearest difference is in-app purchases: Discrete Probability at none against Stats & Probability Calculator's 3. Discrete Probability also leads on update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stats & Probability Calculator sells 3 in-app purchases, starting at $0.99 per month. Discrete Probability asks for nothing beyond the download.

Stats & Probability Calculator ships an update every 4 months, Discrete Probability every 4 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | Stats & Probability Calculator | Discrete Probability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/discrete-probability/id6752967885/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 27 MB | 9 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Stats & Probability Calculator

[App page](https://appshunter.io/ios/app/stats-and-probability-calculator/id6748586083)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $2.99 | per year |
| Remove ADS | $3.99 | one-time |


### Discrete Probability

[App page](https://appshunter.io/ios/app/discrete-probability/id6752967885)

This app provides a comprehensive tool for learning and calculating discrete probability distributions. It includes formulas with derivations, visual tools like histograms, and descriptions of optimized computation methods. It covers general concepts and several specific distributions.

**Highlights:** User-friendly calculator, Formulas with derivations, Exportable formulas (image/LaTeX), Optimized computation methods, Histograms and visual tools, General concepts and specific distributions

**In-app purchases:** none


## Frequently asked questions

### Is Stats & Probability Calculator free?

Stats & Probability Calculator is free to download, with in-app purchases available.

### Is Discrete Probability free?

Discrete Probability is free to download, with no in-app purchases.

### Do Stats & Probability Calculator or Discrete Probability have ads?

Neither Stats & Probability Calculator nor Discrete Probability shows ads.

### Which is updated more often, Stats & Probability Calculator or Discrete Probability?

Stats & Probability Calculator ships an update every 4 months, and Discrete Probability every 4 days. Most recently, Stats & Probability Calculator was updated on October 13, 2026 and Discrete Probability on October 13, 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.*