# 頭痛メモ vs PetTrack

The clearest difference is ads: PetTrack at none against 頭痛メモ's shown. 頭痛メモ's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.4). On price 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.

## The numbers

| Metric | 頭痛メモ | PetTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 142 MB | 15 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [ryuji miyazaki](https://appshunter.io/developer/1853995060) |

## What reviewers say

### 頭痛メモ

[App page](https://appshunter.io/ios/app/id6478766087)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetTrack

[App page](https://appshunter.io/ios/app/pettrack/id6755449885)

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

**In-app purchases:** none


## Frequently asked questions

### Is 頭痛メモ free?

頭痛メモ is free to download, with no in-app purchases.

### Is PetTrack free?

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

### Do 頭痛メモ or PetTrack have ads?

頭痛メモ shows ads; PetTrack does not.

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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.*