# Stats & Probability Calculator vs Probability Lab

The clearest difference is iOS requirement: Stats & Probability Calculator at 16.6 against Probability Lab's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stats & Probability Calculator sells 3 in-app purchases, starting at $0.99 per month and Probability Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stats & Probability Calculator | Probability Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 27 MB | 4 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Jin Zhang](https://appshunter.io/developer/1830436291) |

## What reviewers say

### Stats & Probability Calculator

[App page](https://appshunter.io/ios/app/stats-and-probability-calculator/id6748586083)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $2.99 | per year |
| Remove ADS | $3.99 | one-time |


### Probability Lab

[App page](https://appshunter.io/ios/app/probability-lab/id6794881706)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Probability Lab Pro | $9.99 | one-time |


## Frequently asked questions

### Is Stats & Probability Calculator free?

Stats & Probability Calculator is free to download, with in-app purchases available.

### Is Probability Lab free?

Probability Lab is free to download, with in-app purchases available.

### Do Stats & Probability Calculator or Probability Lab have ads?

Neither Stats & Probability Calculator nor Probability Lab 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.*