# Quick Correlation Coefficients vs StatThor

The clearest difference is in-app purchases: Quick Correlation Coefficients at none against StatThor's 3. Quick Correlation Coefficients also leads on iOS requirement (12.3 vs 15.6). StatThor's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. StatThor sells 3 in-app purchases, starting at $2.99 per month. Quick Correlation Coefficients asks for nothing beyond the download.

Quick Correlation Coefficients ships an update every 4 months, StatThor weekly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Quick Correlation Coefficients | StatThor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/quick-correlation-coefficients/id478355922/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 1 MB | 67 MB |
| Requires iOS | **12.3** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MSYapps](https://appshunter.io/developer/458482419) | [Andersen Honorat](https://appshunter.io/developer/1787336856) |

## What reviewers say

### Quick Correlation Coefficients

[App page](https://appshunter.io/ios/app/quick-correlation-coefficients/id478355922)

This app calculates the correlation coefficient between two or three sets of numerical data. It offers flexible data entry methods, including a slider and keypad, and handles missing values to compute relationships accurately.

**Highlights:** Calculate correlation coefficient (rho), Relate two or three data sets, Slider data entry, Keypad data entry, Handles missing data (n/a), Minimum 3 data pairs required

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

**In-app purchases:** none


### StatThor

[App page](https://appshunter.io/ios/app/statthor-stats-calculator/id6739861578)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Statthor basic premium | $2.99 | per month |
| StatThor Premium Pro | $4.99 | per month |
| Statthor premium access | $3.99 | one-time |


## Frequently asked questions

### Is Quick Correlation Coefficients free?

Quick Correlation Coefficients is free to download, with no in-app purchases.

### Is StatThor free?

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

### Do Quick Correlation Coefficients or StatThor have ads?

Neither Quick Correlation Coefficients nor StatThor shows ads.

### Which is updated more often, Quick Correlation Coefficients or StatThor?

Quick Correlation Coefficients ships an update every 4 months, and StatThor weekly. Most recently, Quick Correlation Coefficients was updated on October 6, 2026 and StatThor on October 7, 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.*