# 施設警備業務2級 検定 500問 vs 乙4

The clearest difference is price: 乙4 at Free against 施設警備業務2級 検定 500問's $4.99. 施設警備業務2級 検定 500問's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 17.6). On update cadence there is nothing between them.

乙4 is free to download; 施設警備業務2級 検定 500問 costs $4.99 up front. 乙4 sells 1 in-app purchase, starting at $4.99 per 7 days. 施設警備業務2級 検定 500問 asks for nothing beyond the download.

施設警備業務2級 検定 500問 ships an update every 6 weeks, 乙4 monthly. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 施設警備業務2級 検定 500問 | 乙4 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 34 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [satoshi yoshida](https://appshunter.io/developer/1873856165) | [CapCat LLC](https://appshunter.io/developer/1654095841) |

## What reviewers say

### 施設警備業務2級 検定 500問

[App page](https://appshunter.io/ios/app/2-500/id6764222628)

**In-app purchases:** none


### 乙4

[App page](https://appshunter.io/ios/app/4-4-2026/id6764290217)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 無料でお試しする | $4.99 | per 7 days |


## Frequently asked questions

### Is 施設警備業務2級 検定 500問 free?

施設警備業務2級 検定 500問 costs $4.99, with no in-app purchases.

### Is 乙4 free?

乙4 is free to download, with in-app purchases available.

### Which is updated more often, 施設警備業務2級 検定 500問 or 乙4?

施設警備業務2級 検定 500問 ships an update every 6 weeks, and 乙4 monthly. Most recently, 施設警備業務2級 検定 500問 was updated on October 28, 2026 and 乙4 on October 13, 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.*