# BOO vs Curio~趣味コレクション管理~

The clearest difference is in-app purchases: Curio~趣味コレクション管理~ at none against BOO's 1. BOO's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BOO sells 1 one-off in-app purchase. Curio~趣味コレクション管理~ asks for nothing beyond the download.

BOO ships an update every 4 days, Curio~趣味コレクション管理~ every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | BOO | Curio~趣味コレクション管理~ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 11 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hsien-Te Hsieh](https://appshunter.io/developer/1719651563) | [Kai Inoue](https://appshunter.io/developer/1870824246) |

## What reviewers say

### BOO

[App page](https://appshunter.io/ios/app/boo-pos/id6762549059)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BOO-POS Premium | $7.99 | one-time |


### Curio~趣味コレクション管理~

[App page](https://appshunter.io/ios/app/curio/id6801472158)

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

**In-app purchases:** none


## Frequently asked questions

### Is BOO free?

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

### Is Curio~趣味コレクション管理~ free?

Curio~趣味コレクション管理~ is free to download, with no in-app purchases.

### Do BOO or Curio~趣味コレクション管理~ have ads?

Curio~趣味コレクション管理~ shows ads; BOO does not.

### Which is updated more often, BOO or Curio~趣味コレクション管理~?

BOO ships an update every 4 days, and Curio~趣味コレクション管理~ every 3 weeks. Most recently, BOO was updated on October 31, 2026 and Curio~趣味コレクション管理~ 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.*