# 下水道技術検定3種Pass vs とび技能検定1級 | 2026年対策問題

The clearest difference is price: 下水道技術検定3種Pass at Free against とび技能検定1級 | 2026年対策問題's $1.99. 下水道技術検定3種Pass also leads on iOS requirement (15.1 vs 17.0). とび技能検定1級 | 2026年対策問題's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

下水道技術検定3種Pass is free to download; とび技能検定1級 | 2026年対策問題 costs $1.99 up front. 下水道技術検定3種Pass sells 1 one-off in-app purchase. とび技能検定1級 | 2026年対策問題 asks for nothing beyond the download.

## The numbers

| Metric | 下水道技術検定3種Pass | とび技能検定1級 | 2026年対策問題 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 40 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KANDK](https://appshunter.io/developer/1867080143) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### 下水道技術検定3種Pass

[App page](https://appshunter.io/ios/app/3pass/id6788900627)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


### とび技能検定1級 | 2026年対策問題

[App page](https://appshunter.io/ios/app/1-2026/id6788952656)

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

**In-app purchases:** none


## Frequently asked questions

### Is 下水道技術検定3種Pass free?

下水道技術検定3種Pass is free to download, with in-app purchases available.

### Is とび技能検定1級 | 2026年対策問題 free?

とび技能検定1級 | 2026年対策問題 costs $1.99, with no in-app purchases.

### Do 下水道技術検定3種Pass or とび技能検定1級 | 2026年対策問題 have ads?

下水道技術検定3種Pass shows ads; とび技能検定1級 | 2026年対策問題 does not.

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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.*