# Migraine Tracker vs DFCI Study

The clearest difference is in-app purchases: DFCI Study at none against Migraine Tracker's 18. DFCI Study also leads on ads (none vs shown) and iOS requirement (15.5 vs 18.0). Migraine Tracker's advantage is update cadence (weekly vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Migraine Tracker sells 17 in-app purchases, starting at $2.99 per month. DFCI Study asks for nothing beyond the download.

Migraine Tracker ships an update weekly, DFCI Study every 5 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Migraine Tracker | DFCI Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (840 ratings)](https://appshunter.io/ios/app/migraine-tracker-pressure-pal/id6463206739/reviews)** | — |
| Number of ratings | **840** | — |
| Positive reviews | 67.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 103 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Mikhail Manev](https://appshunter.io/developer/1576742601) | [Vibrent Health, Inc.](https://appshunter.io/developer/1236953707) |

## What reviewers say

### Migraine Tracker

[App page](https://appshunter.io/ios/app/migraine-tracker-pressure-pal/id6463206739)

Track migraines, headaches, and other symptoms alongside barometric pressure changes. See upcoming pressure forecasts and identify personal triggers with detailed charts and logs. Understand how weather patterns affect your well-being.

**Highlights:** Migraine & Symptom Logging, Barometric Pressure Forecast, Accurate Real-time Barometer, 24-Hour Pressure Chart, 7-Day Pressure Forecast, Medication & Trigger Log, Personal Trigger Analysis

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $2.99 | per month |
| Monthly plan | $2.99 | per month |
| Weekly Plan | $3.99 | per 7 days |
| Monthly | $3.99 | per month |
| Monthly plan | $3.99 | per month |
| Monthly plan | $3.99 | per month |
| Monthly plan | $5.99 | per month |
| Monthly | $5.99 | per month |
| Monthly plan | $5.99 | per month |
| Yearly | $34.99 | per year |
| Year plan | $35.95 | per year |
| Year plan | $35.95 | per year |
| Annual | $59.99 | per year |
| Year plan | $59.99 | per year |
| Lifetime | $39.99 | one-time |
| Lifetime | $49.99 | one-time |
| Lifetime purchase | $99.99 | one-time |

**What reviewers like**

- 📊 Accurate barometric pressure readings and forecasts
- 📈 Clear, intuitive graphs showing pressure trends
- 🎯 Helps identify migraine and pain triggers related to pressure
- 🌙 Dark mode option available
- 📝 Symptom and pain logging capabilities

**What reviewers complain about**

- 💰 Expensive subscription pricing ($2.99-$3.99/month plus $59.99/year for history)
- 🔐 Limited free features and paywall for basic functionality
- 📉 Symptom tracking lacks customization and detail options
- 🐛 Inconsistent dark mode (resets on each use in older versions)
- ⚠️ Overly sensitive 'highly unstable' pressure alerts

**Reported bugs**

- Dark mode resets every use (fixed in recent update)
- Graph display shows blank/white area instead of pressure data
- Cannot view previous day's data after midnight
- Subscription charges not properly applied or acknowledged
- Notifications not sending despite being enabled

**Requested features**

- Dark mode widget for Home Screen
- Apple Watch app and watch complications
- Family Sharing subscription support
- Multi-user tracking with individual profiles and color coding
- Detailed symptom customization (type, duration, severity)


### DFCI Study

[App page](https://appshunter.io/ios/app/dfci-study/id6473790559)

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

**In-app purchases:** none


## Frequently asked questions

### Is Migraine Tracker free?

Migraine Tracker is free to download, with in-app purchases available.

### Is DFCI Study free?

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

### Do Migraine Tracker or DFCI Study have ads?

Migraine Tracker shows ads; DFCI Study does not.

### Which is updated more often, Migraine Tracker or DFCI Study?

Migraine Tracker ships an update weekly, and DFCI Study every 5 weeks. Most recently, Migraine Tracker was updated on October 30, 2026 and DFCI Study on October 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.*