# Вероятности vs Statistics & Probability Tutor

The clearest difference is iOS requirement: Вероятности at 11.0 against Statistics & Probability Tutor's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Вероятности sells 1 one-off in-app purchase 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.

Вероятности ships an update every 8 days, Statistics & Probability Tutor every 10 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Вероятности | Statistics & Probability Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 98.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Size | 43 MB | 48 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alena Sakharova](https://appshunter.io/developer/1607864944) | [ByteCraft Solutions](https://appshunter.io/developer/1866155956) |

## What reviewers say

### Вероятности

[App page](https://appshunter.io/ios/app/id1608366283)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Курс Вероятности | $249.99 | 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 Вероятности free?

Вероятности 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 Вероятности or Statistics & Probability Tutor have ads?

Neither Вероятности nor Statistics & Probability Tutor shows ads.

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

Вероятности ships an update every 8 days, and Statistics & Probability Tutor every 10 days. Most recently, Вероятности was updated on October 9, 2026 and Statistics & Probability Tutor on October 3, 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.*