# N vs サステナ経営検定3級

The clearest difference is price: N at Free against サステナ経営検定3級's $4.99. N also leads on update cadence (every 4 days vs monthly). サステナ経営検定3級's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

N is free to download; サステナ経営検定3級 costs $4.99 up front. N sells 1 in-app purchase, starting at $0.99 per month. サステナ経営検定3級 asks for nothing beyond the download.

N ships an update every 4 days, サステナ経営検定3級 monthly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | N | サステナ経営検定3級 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Monthly |
| Size | 21 MB | 33 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [chunson yamada](https://appshunter.io/developer/1538754889) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### N

[App page](https://appshunter.io/ios/app/n-back-training/id1627478554)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １ヶ月プラン | $0.99 | per month |


### サステナ経営検定3級

[App page](https://appshunter.io/ios/app/3/id6767457927)

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

**In-app purchases:** none


## Frequently asked questions

### Is N free?

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

### Is サステナ経営検定3級 free?

サステナ経営検定3級 costs $4.99, with no in-app purchases.

### Do N or サステナ経営検定3級 have ads?

N shows ads; サステナ経営検定3級 does not.

### Which is updated more often, N or サステナ経営検定3級?

N ships an update every 4 days, and サステナ経営検定3級 monthly. Most recently, N was updated on October 9, 2026 and サステナ経営検定3級 on October 14, 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.*