# Statistics Calculator vs Statistics & Probability Tutor

The clearest difference is iOS requirement: Statistics Calculator at 15.0 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. Statistics Calculator sells 8 one-off in-app purchases 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.

Statistics Calculator ships an update every 3 weeks, Statistics & Probability Tutor every 10 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Statistics Calculator | Statistics & Probability Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 179 MB | 48 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [ByteCraft Solutions](https://appshunter.io/developer/1866155956) |

## What reviewers say

### Statistics Calculator

[App page](https://appshunter.io/ios/app/statistics-calculator-basics/id6472452972)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | 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 Statistics Calculator free?

Statistics 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 Statistics Calculator or Statistics & Probability Tutor have ads?

Neither Statistics Calculator nor Statistics & Probability Tutor shows ads.

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

Statistics Calculator ships an update every 3 weeks, and Statistics & Probability Tutor every 10 days. Most recently, Statistics Calculator was updated on October 2, 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.*