# Stats & Probability Calculator vs Statistics & Probability Tutor

The clearest difference is update cadence: Statistics & Probability Tutor at every 10 days against Stats & Probability Calculator's every 4 months. Stats & Probability Calculator's advantage is iOS requirement (16.6 vs 18.2). 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 Statistics & Probability Tutor sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stats & Probability Calculator ships an update every 4 months, Statistics & Probability Tutor every 10 days. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Stats & Probability Calculator | Statistics & Probability Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 27 MB | 48 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [ByteCraft Solutions](https://appshunter.io/developer/1866155956) |

## 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 |


### Statistics & Probability Tutor

[App page](https://appshunter.io/ios/app/statistics-and-probability-tutor/id6767269528)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is Stats & Probability Calculator free?

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

### Is Statistics & Probability Tutor free?

Statistics & Probability Tutor is free to download, with in-app purchases available.

### Do Stats & Probability Calculator or Statistics & Probability Tutor have ads?

Neither Stats & Probability Calculator nor Statistics & Probability Tutor shows ads.

### Which is updated more often, Stats & Probability Calculator or Statistics & Probability Tutor?

Stats & Probability Calculator ships an update every 4 months, and Statistics & Probability Tutor every 10 days. Most recently, Stats & Probability Calculator was updated on October 13, 2026 and Statistics & Probability Tutor on October 20, 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.*