# ISY vs Migraine Tracker

The clearest difference is in-app purchases: ISY at none against Migraine Tracker's 6. ISY also leads on iOS requirement (11.0 vs 18.0). Migraine Tracker's advantage is update cadence (every 6 days vs every 3 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Migraine Tracker sells 6 in-app purchases, starting at $6.99 per 7 days. ISY asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ISY against 4.9 for Migraine Tracker. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ISY ships an update every 3 weeks, Migraine Tracker every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ISY | Migraine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/isy/id878295958/reviews)** | [4.9 (10 ratings)](https://appshunter.io/ios/app/migraine-tracker-migra/id6759878642/reviews) |
| Number of ratings | 5 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 127 MB | 21 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ISY S.A.](https://appshunter.io/developer/1105620245) | [ALEJANDRO PORTILO GUERRERO](https://appshunter.io/developer/1784974929) |

## What reviewers say

### ISY

[App page](https://appshunter.io/ios/app/isy/id878295958)

This platform offers safety services to help users monitor their communities and loved ones. It provides emergency assistance, location tracking, and alerts for dangerous zones. Users become community safety agents by participating.

**Highlights:** Emergency services, Assistance services, Location tracking, Video monitoring, Alarm system, GPS tracking, Dangerous zone alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Migraine Tracker

[App page](https://appshunter.io/ios/app/migraine-tracker-migra/id6759878642)

Easily log migraine attacks with a single tap, even in a dim interface. Track triggers, medications, and weather changes to understand your patterns. Get insights and reports to share with your doctor.

**Highlights:** 1-tap attack logging, Migraine Mode interface, Apple Watch integration, Barometric pressure alerts, Treatment effectiveness analysis, On-device AI for pattern detection, PDF reports for doctors

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Monthly | $9.99 | per month |
| Annual Special | $24.99 | per year |
| Annual | $29.99 | per year |
| Annual | $59.99 | per year |


## Frequently asked questions

### Is ISY free?

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

### Is Migraine Tracker free?

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

### Which has better reviews, ISY or Migraine Tracker?

ISY is rated higher. ISY averages 5.0 out of 5 from 5 ratings, while Migraine Tracker averages 4.9 from 10 ratings.

### Do ISY or Migraine Tracker have ads?

Neither ISY nor Migraine Tracker shows ads.

### Which is updated more often, ISY or Migraine Tracker?

ISY ships an update every 3 weeks, and Migraine Tracker every 6 days. Most recently, ISY was updated on November 1, 2026 and Migraine Tracker on October 31, 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.*