# MyGrain vs Migraine Diary

The clearest difference is update cadence: MyGrain at weekly against Migraine Diary's every 2 weeks. MyGrain also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MyGrain sells 2 in-app purchases, starting at $2.99 per month and Migraine Diary sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

MyGrain ships an update weekly, Migraine Diary every 2 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MyGrain | Migraine Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 50 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Alfonso Matos](https://appshunter.io/developer/1751243701) | [graimatter](https://appshunter.io/developer/1841322252) |

## What reviewers say

### MyGrain

[App page](https://appshunter.io/ios/app/mygrain/id6504174607)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Grain Monthly Subscription | $2.99 | per month |
| My Grain Annual Subscription | $29.99 | per year |


### Migraine Diary

[App page](https://appshunter.io/ios/app/migraine-diary-headyogi/id6752848965)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeadYogi Pro Maandelijks | $3.99 | per month |
| HeadYogi Pro Jaarlijks | $29.99 | per year |


## Frequently asked questions

### Is MyGrain free?

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

### Is Migraine Diary free?

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

### Do MyGrain or Migraine Diary have ads?

Neither MyGrain nor Migraine Diary shows ads.

### Which is updated more often, MyGrain or Migraine Diary?

MyGrain ships an update weekly, and Migraine Diary every 2 weeks. Most recently, MyGrain was updated on October 18, 2026 and Migraine Diary on October 24, 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.*