# 勤怠＆給与管理 vs OSSU

The clearest difference is in-app purchases: OSSU at none against 勤怠＆給与管理's 1. OSSU also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 勤怠＆給与管理 sells 1 one-off in-app purchase. OSSU asks for nothing beyond the download.

勤怠＆給与管理 ships an update every 2 months, OSSU every 4 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 勤怠＆給与管理 | OSSU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 48.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 14 MB | 40 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Desheng Deng](https://appshunter.io/developer/853752939) | [Raon Corp.](https://appshunter.io/developer/1851653875) |

## What reviewers say

### 勤怠＆給与管理

[App page](https://appshunter.io/ios/app/id861774061)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムに昇格 | $1.99 | one-time |


### OSSU

[App page](https://appshunter.io/ios/app/ossu/id1509242120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 勤怠＆給与管理 free?

勤怠＆給与管理 is free to download, with in-app purchases available.

### Is OSSU free?

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

### Do 勤怠＆給与管理 or OSSU have ads?

勤怠＆給与管理 shows ads; OSSU does not.

### Which is updated more often, 勤怠＆給与管理 or OSSU?

勤怠＆給与管理 ships an update every 2 months, and OSSU every 4 months. Most recently, 勤怠＆給与管理 was updated on October 28, 2026 and OSSU on October 25, 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.*