# ClusterUck vs Headache Companion

The clearest difference is in-app purchases: ClusterUck at none against Headache Companion's 1. ClusterUck also leads on ratings volume (38 vs 4). Headache Companion's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (100% vs 88%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Headache Companion sells 1 one-off in-app purchase. ClusterUck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for ClusterUck against 4.8 for Headache Companion. That said, the two scores are not equally well evidenced: ClusterUck has 38 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 88% of ClusterUck's written reviews are positive against 100% of Headache Companion's.

ClusterUck ships an update every 3 months, Headache Companion every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ClusterUck | Headache Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (38 ratings)](https://appshunter.io/ios/app/clusteruck/id1072769448/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/headache-companion/id6446802809/reviews) |
| Number of ratings | **38** | 4 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [S.J.M. Kolff](https://appshunter.io/developer/882594477) | [Richard Kresslein](https://appshunter.io/developer/1654544600) |

## What reviewers say

### ClusterUck

[App page](https://appshunter.io/ios/app/clusteruck/id1072769448)

This app provides a comprehensive tool for individuals experiencing recurring headaches to log and monitor their episodes in detail. It allows for tracking duration, pain location, triggers, symptoms, medications, and even weather data. Gain insights into your headache patterns through clear data analysis and easily share reports with healthcare providers.

**Highlights:** Detailed headache episode logging, Track duration, pain location, triggers, Record symptoms and medications, Monitor weather data for insights, Analyze headache patterns with graphs, Export reports in PDF/CSV format

**Features:** Apple Watch app

**In-app purchases:** none


### Headache Companion

[App page](https://appshunter.io/ios/app/headache-companion/id6446802809)

Record detailed information about your headache and migraine attacks, including medications and activities. View your logged data in organized overviews to understand patterns or share with your doctor. Your data remains private and is never collected or sold.

**Highlights:** Track headache and migraine attacks, Record medications and activities, Detailed data overviews, Customizable time-frames, Private data storage, Notes for self and doctor

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extras | $5.00 | one-time |


## Frequently asked questions

### Is ClusterUck free?

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

### Is Headache Companion free?

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

### Which has better reviews, ClusterUck or Headache Companion?

ClusterUck is rated higher. ClusterUck averages 4.8 out of 5 from 38 ratings, while Headache Companion averages 4.8 from 4 ratings.

### Do ClusterUck or Headache Companion have ads?

Neither ClusterUck nor Headache Companion shows ads.

### Which is updated more often, ClusterUck or Headache Companion?

ClusterUck ships an update every 3 months, and Headache Companion every 3 weeks. Most recently, ClusterUck was updated on October 24, 2026 and Headache Companion on October 21, 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.*