# 2級建築施工管理技士 vs Dual N

The clearest difference is ads: 2級建築施工管理技士 at none against Dual N's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 2級建築施工管理技士 sells 1 one-off in-app purchase and Dual N sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 2級建築施工管理技士 | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Size | 5 MB | 13 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Takanori Horitsu](https://appshunter.io/developer/1896386009) |

## What reviewers say

### 2級建築施工管理技士

[App page](https://appshunter.io/ios/app/2-1/id6758235934)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ２級建築施工管理技士・第一次検定 試験対策 | $1.99 | one-time |


### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-brain-trainer/id6767109556)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $0.99 | one-time |


## Frequently asked questions

### Is 2級建築施工管理技士 free?

2級建築施工管理技士 is free to download, with in-app purchases available.

### Is Dual N free?

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

### Do 2級建築施工管理技士 or Dual N have ads?

Dual N shows ads; 2級建築施工管理技士 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*