# 下水道技術検定3種Pass vs 下水道2種 技術検定 過去問対策 378問

The clearest difference is ads: 下水道2種 技術検定 過去問対策 378問 at none against 下水道技術検定3種Pass's shown. 下水道2種 技術検定 過去問対策 378問 also leads on update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 下水道技術検定3種Pass sells 1 one-off in-app purchase and 下水道2種 技術検定 過去問対策 378問 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

下水道技術検定3種Pass ships an update every 2 weeks, 下水道2種 技術検定 過去問対策 378問 weekly. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 下水道技術検定3種Pass | 下水道2種 技術検定 過去問対策 378問 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 40 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KANDK](https://appshunter.io/developer/1867080143) | [Takuro Fukuma](https://appshunter.io/developer/1896728656) |

## 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 |


### 下水道2種 技術検定 過去問対策 378問

[App page](https://appshunter.io/ios/app/2-378/id6792697634)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全機能を解放 | $6.99 | one-time |


## 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 下水道2種 技術検定 過去問対策 378問 free?

下水道2種 技術検定 過去問対策 378問 is free to download, with in-app purchases available.

### Do 下水道技術検定3種Pass or 下水道2種 技術検定 過去問対策 378問 have ads?

下水道技術検定3種Pass shows ads; 下水道2種 技術検定 過去問対策 378問 does not.

### Which is updated more often, 下水道技術検定3種Pass or 下水道2種 技術検定 過去問対策 378問?

下水道技術検定3種Pass ships an update every 2 weeks, and 下水道2種 技術検定 過去問対策 378問 weekly. Most recently, 下水道技術検定3種Pass was updated on September 29, 2026 and 下水道2種 技術検定 過去問対策 378問 on September 27, 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.*