# Correlation Finder vs How Often

The clearest difference is review sentiment: How Often at 100% against Correlation Finder's 0%. How Often also leads on rating (5.0 vs 2.0). Correlation Finder's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 26.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. How Often sells 3 one-off in-app purchases. Correlation Finder asks for nothing beyond the download.

How Often holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of Correlation Finder's written reviews are positive against 100% of How Often's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Correlation Finder | How Often |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/correlation-finder/id6497331166/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/how-often/id6762408751/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 3 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Livanda - Internetkliniken AB](https://appshunter.io/developer/1607972909) | [Square Remix Inc](https://appshunter.io/developer/440995491) |

## 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


### How Often

[App page](https://appshunter.io/ios/app/how-often/id6762408751)

Log events and discover hidden patterns in your life, family, or pets. Automatically identifies correlations and trends, presenting them in clear language and visual charts. Export data for sharing with professionals or personal records.

**Highlights:** Automatic pattern discovery, Cross-profile correlations, Frequency charts with overlays, Day/time heatmaps, Milestone and streak tracking, CSV data export, PDF summary reports

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 Profile | $1.99 | one-time |
| Add 2 Profiles | $2.99 | one-time |
| Add Unlimited Profiles | $6.99 | one-time |


## Frequently asked questions

### Is Correlation Finder free?

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

### Is How Often free?

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

### Which has better reviews, Correlation Finder or How Often?

How Often is rated higher. Correlation Finder averages 2.0 out of 5 from 2 ratings, while How Often averages 5.0 from 3 ratings.

### Do Correlation Finder or How Often have ads?

Neither Correlation Finder nor How Often shows ads.

### Which is updated more often, Correlation Finder or How Often?

Correlation Finder ships an update every 2 months, and How Often every 2 months. Most recently, Correlation Finder was updated on September 28, 2026 and How Often on October 6, 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.*