# Nook vs Migraine Attack Diary

The clearest difference is iOS requirement: Nook at 15.5 against Migraine Attack Diary's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nook sells 3 in-app purchases, starting at $1.99 per month and Migraine Attack Diary sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Nook | Migraine Attack Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 69 MB | 41 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [原 田](https://appshunter.io/developer/1871034186) | [慧 刘](https://appshunter.io/developer/1857113525) |

## What reviewers say

### Nook

[App page](https://appshunter.io/ios/app/nook/id6759198790)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nook Pro Monthly | $1.99 | per month |
| Nook Pro Yearly | $9.99 | per year |
| Nook Pro Lifetime | $29.99 | one-time |


### Migraine Attack Diary

[App page](https://appshunter.io/ios/app/migraine-attack-diary/id6761049092)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $3.99 | per year |
| Lifetime Pro | $4.99 | one-time |


## Frequently asked questions

### Is Nook free?

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

### Is Migraine Attack Diary free?

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

### Do Nook or Migraine Attack Diary have ads?

Neither Nook nor Migraine Attack Diary shows ads.

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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.*