# Probability Theory Foundations vs Calculus Path

Probability Theory Foundations and Calculus Path are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Probability Theory Foundations | Calculus Path |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 38 MB | 6 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AFTW LLC](https://appshunter.io/developer/1886356149) | [Alaric Pow Ian-Jun](https://appshunter.io/developer/6808502683) |

## What reviewers say

### Probability Theory Foundations

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

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

**In-app purchases:** none


### Calculus Path

[App page](https://appshunter.io/ios/app/calculus-path/id6808502681)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probability Theory Foundations free?

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

### Is Calculus Path free?

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

### Do Probability Theory Foundations or Calculus Path have ads?

Neither Probability Theory Foundations nor Calculus Path 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.*