# Probability(Math Drills) vs Probability Theory Foundations

The clearest difference is iOS requirement: Probability(Math Drills) at 12.0 against Probability Theory Foundations's 15.1. 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.

## The numbers

| Metric | Probability(Math Drills) | Probability Theory Foundations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 28 MB | 38 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Probability(Math Drills)

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Probability Theory Foundations

[App page](https://appshunter.io/ios/app/probability-theory-foundations/id6773734025)

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

**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 Probability Theory Foundations free?

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

### Do Probability(Math Drills) or Probability Theory Foundations have ads?

Neither Probability(Math Drills) nor Probability Theory Foundations shows ads.

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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.*