# 0xCalc vs Combinations & Probabilities

The clearest difference is price: Combinations & Probabilities at Free against 0xCalc's $0.99. 0xCalc's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Combinations & Probabilities is free to download; 0xCalc costs $0.99 up front. Combinations & Probabilities sells 1 one-off in-app purchase. 0xCalc asks for nothing beyond the download.

## The numbers

| Metric | 0xCalc | Combinations & Probabilities |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 0 MB | 33 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Thomas J Foster](https://appshunter.io/developer/1299823120) | [Joao Carrion](https://appshunter.io/developer/1044104256) |

## What reviewers say

### 0xCalc

[App page](https://appshunter.io/ios/app/0xcalc/id6736621440)

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

**In-app purchases:** none


### Combinations & Probabilities

[App page](https://appshunter.io/ios/app/combinations-and-probabilities/id6758729922)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C&P Pro | $2.99 | one-time |


## Frequently asked questions

### Is 0xCalc free?

0xCalc costs $0.99, with no in-app purchases.

### Is Combinations & Probabilities free?

Combinations & Probabilities is free to download, with in-app purchases available.

### Do 0xCalc or Combinations & Probabilities have ads?

Combinations & Probabilities shows ads; 0xCalc does not.

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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.*