# ペトリ vs Pet Note

The clearest difference is update cadence: ペトリ at every 5 days against Pet Note's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ペトリ sells 2 in-app purchases, starting at $2.99 per month and Pet Note sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ペトリ ships an update every 5 days, Pet Note every 2 months. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ペトリ | Pet Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 127 MB | 74 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinji hagihara](https://appshunter.io/developer/1859404930) | [LUNLU Studio](https://appshunter.io/developer/6793837092) |

## What reviewers say

### ペトリ

[App page](https://appshunter.io/ios/app/id6776859985)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ペトリ プレミアム 月額プラン | $2.99 | per month |
| ペトリ プレミアム 年額プラン | $29.99 | per year |


### Pet Note

[App page](https://appshunter.io/ios/app/pet-note-diary/id6798578054)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Pet | $1.99 | one-time |
| Data Backup | $4.99 | one-time |


## Frequently asked questions

### Is ペトリ free?

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

### Is Pet Note free?

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

### Do ペトリ or Pet Note have ads?

Neither ペトリ nor Pet Note shows ads.

### Which is updated more often, ペトリ or Pet Note?

ペトリ ships an update every 5 days, and Pet Note every 2 months. Most recently, ペトリ was updated on October 28, 2026 and Pet Note on October 19, 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.*