# Correlation Finder vs 4k Weeks

The clearest difference is price: Correlation Finder at Free against 4k Weeks's $1.99. Correlation Finder also leads on iOS requirement (13.0 vs 18.4). On ads, in-app purchases and device support there is nothing between them.

Correlation Finder is free to download; 4k Weeks costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Correlation Finder | 4k Weeks |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/correlation-finder/id6497331166/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 68 MB | 9 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Livanda - Internetkliniken AB](https://appshunter.io/developer/1607972909) | [ALBERT DONAIRE ESCRIGAS](https://appshunter.io/developer/1805379390) |

## What reviewers say

### Correlation Finder

[App page](https://appshunter.io/ios/app/correlation-finder/id6497331166)

Discover how your daily habits impact your health. Track sleep, diet, exercise, and mood to uncover hidden correlations. Visualize data with clear graphs and diagrams for deeper well-being insights.

**Highlights:** Track sleep, exercise, diet, and mood, Create custom tracking parameters, Analyze correlations between habits and health, Visualize data with graphs and diagrams, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 4k Weeks

[App page](https://appshunter.io/ios/app/4k-weeks/id6744328745)

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

**In-app purchases:** none


## Frequently asked questions

### Is Correlation Finder free?

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

### Is 4k Weeks free?

4k Weeks costs $1.99, with no in-app purchases.

### Do Correlation Finder or 4k Weeks have ads?

Neither Correlation Finder nor 4k Weeks shows ads.

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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.*