# Matrix vs Discrete Probability

The clearest difference is ads: Discrete Probability at none against Matrix's shown. Discrete Probability also leads on update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Matrix ships an update every 5 weeks, Discrete Probability every 4 days. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Matrix | 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 | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 32 MB | 9 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Matrix

[App page](https://appshunter.io/ios/app/matrix-analysis/id1619005601)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Matrix free?

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

### Is Discrete Probability free?

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

### Do Matrix or Discrete Probability have ads?

Matrix shows ads; Discrete Probability does not.

### Which is updated more often, Matrix or Discrete Probability?

Matrix ships an update every 5 weeks, and Discrete Probability every 4 days. Most recently, Matrix was updated on October 12, 2026 and Discrete Probability on September 28, 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.*