# Probability(Math Drills) vs Discrete Probability

The clearest difference is update cadence: Discrete Probability at every 4 days against Probability(Math Drills)'s every 3 weeks. Probability(Math Drills)'s advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Probability(Math Drills) ships an update every 3 weeks, Discrete Probability every 4 days. The most recent releases landed on August 4, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Probability(Math Drills) | 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 | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 28 MB | 9 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Probability(Math Drills)

[App page](https://appshunter.io/ios/app/probabilitymath-drills/id1632889899)

**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 Probability(Math Drills) free?

Probability(Math Drills) 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 Probability(Math Drills) or Discrete Probability have ads?

Neither Probability(Math Drills) nor Discrete Probability shows ads.

### Which is updated more often, Probability(Math Drills) or Discrete Probability?

Probability(Math Drills) ships an update every 3 weeks, and Discrete Probability every 4 days. Most recently, Probability(Math Drills) was updated on August 4, 2026 and Discrete Probability on July 17, 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.*