# Quick Correlation Coefficients vs Statistics AI

The clearest difference is in-app purchases: Quick Correlation Coefficients at none against Statistics AI's 2. Quick Correlation Coefficients also leads on iOS requirement (12.3 vs 18.6). Statistics AI's advantage is update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Statistics AI sells 2 in-app purchases, starting at $3.99 per 7 days. Quick Correlation Coefficients asks for nothing beyond the download.

Quick Correlation Coefficients ships an update every 4 months, Statistics AI every 2 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Quick Correlation Coefficients | Statistics AI |
| --- | --- | --- |
| 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 | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 22 MB |
| Requires iOS | **12.3** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MSYapps](https://appshunter.io/developer/458482419) | [Ideas All Day Ltd.](https://appshunter.io/developer/1628099296) |

## 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


### Statistics AI

[App page](https://appshunter.io/ios/app/statistics-ai-solve-it/id6758206200)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly access | $3.99 | per 7 days |
| Yearly access | $29.99 | per year |


## Frequently asked questions

### Is Quick Correlation Coefficients free?

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

### Is Statistics AI free?

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

### Do Quick Correlation Coefficients or Statistics AI have ads?

Neither Quick Correlation Coefficients nor Statistics AI shows ads.

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

Quick Correlation Coefficients ships an update every 4 months, and Statistics AI every 2 months. Most recently, Quick Correlation Coefficients was updated on October 6, 2026 and Statistics AI on September 30, 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.*