# BC在庫管理 vs PH System

The clearest difference is in-app purchases: PH System at none against BC在庫管理's 2. PH System also leads on ads (none vs shown) and device support (3 vs 1). BC在庫管理's advantage is update cadence (every 6 weeks vs every 15 months). On price there is nothing between them.

Both are free to download. BC在庫管理 sells 2 one-off in-app purchases. PH System asks for nothing beyond the download.

BC在庫管理 ships an update every 6 weeks, PH System every 15 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BC在庫管理 | PH System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Size | 4 MB | 25 MB |
| Requires iOS | 26.5 | **13** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUTOSHI KINOSHITA](https://appshunter.io/developer/1148380017) | [barnet Inc.](https://appshunter.io/developer/1203142034) |

## What reviewers say

### BC在庫管理

[App page](https://appshunter.io/ios/app/bc/id1430485121)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メール作成回数 | $0.99 | one-time |
| 棚卸しの結果メール作成回数(160回分） | $0.99 | one-time |


### PH System

[App page](https://appshunter.io/ios/app/ph-system/id1438705034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BC在庫管理 free?

BC在庫管理 is free to download, with in-app purchases available.

### Is PH System free?

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

### Do BC在庫管理 or PH System have ads?

BC在庫管理 shows ads; PH System does not.

### Which is updated more often, BC在庫管理 or PH System?

BC在庫管理 ships an update every 6 weeks, and PH System every 15 months. Most recently, BC在庫管理 was updated on September 21, 2026 and PH System on September 9, 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.*