# Chiari Symptom Tracker vs Cranium

The clearest difference is review sentiment: Cranium at 73% against Chiari Symptom Tracker's 0%. Cranium also leads on rating (4.6 vs 3.5) and ratings volume (164 vs 6). Chiari Symptom Tracker's advantage is iOS requirement (12.1 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cranium holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Cranium has 164 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of Chiari Symptom Tracker's written reviews are positive against 73% of Cranium's.

Chiari Symptom Tracker ships an update every 9 months, Cranium every 5 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Chiari Symptom Tracker | Cranium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/chiari-symptom-tracker/id1458297447/reviews) | **[4.6 (164 ratings)](https://appshunter.io/ios/app/cranium-headache-diary/id6443540431/reviews)** |
| Number of ratings | 6 | **164** |
| Positive reviews | 0.0% of reviews | **73.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 9 MB | 31 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Brian Smith](https://appshunter.io/developer/421170267) | [Elena Zhalina](https://appshunter.io/developer/1646949800) |

## What reviewers say

### Chiari Symptom Tracker

[App page](https://appshunter.io/ios/app/chiari-symptom-tracker/id1458297447)

This app allows users to log symptoms related to Chiari malformations, noting their intensity. It automatically records the date and time for each entry, providing a structured way to monitor health.

**Highlights:** Track Chiari malformation symptoms, Log symptom intensity, Automatic date and time stamping, User-friendly interface, Medical symptom logging

**Features:** macOS Compatibility

**In-app purchases:** none


### Cranium

[App page](https://appshunter.io/ios/app/cranium-headache-diary/id6443540431)

Easily log headache attacks, symptoms, and medication use. Generate clear reports to identify triggers and discuss with your doctor. Integrates with Health app for menstrual cycle correlation.

**Highlights:** Quick attack logging, Symptom and trigger tracking, Medication tracking, Doctor-shareable reports, Menstrual cycle correlation

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

**In-app purchases:** none


## Frequently asked questions

### Is Chiari Symptom Tracker free?

Chiari Symptom Tracker is free to download, with no in-app purchases.

### Is Cranium free?

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

### Which has better reviews, Chiari Symptom Tracker or Cranium?

Cranium is rated higher. Chiari Symptom Tracker averages 3.5 out of 5 from 6 ratings, while Cranium averages 4.6 from 164 ratings.

### Do Chiari Symptom Tracker or Cranium have ads?

Neither Chiari Symptom Tracker nor Cranium shows ads.

### Which is updated more often, Chiari Symptom Tracker or Cranium?

Chiari Symptom Tracker ships an update every 9 months, and Cranium every 5 months. Most recently, Chiari Symptom Tracker was updated on October 20, 2026 and Cranium on October 27, 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.*