# 下水道3種対策

> Study app for 3rd Class Sewerage Technician certification exam with practice questions. (iPhone/iPad app by satoshi yoshida.)

- Source: https://appshunter.io/ios/app/3/id6768249358 (this page in markdown: same URL + `.md`)
- Developer: [satoshi yoshida](https://appshunter.io/developer/1873856165)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 36 MB
- Languages: American English, Japanese
- Released: 2026-05-12
- Data updated: 2026-09-23
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/3/id6768249358/reviews.md

## What is 下水道3種対策?

下水道第3種技術検定の対策アプリです。

■ 10章×1000問の本格問題集
第1章 下水道総論と計画
第2章 管きょの構造と維持管理
第3章 下水処理の基礎
第4章 汚泥処理と処分
第5章 水質試験と水質管理
第6章 電気・機械設備
第7章 処理施設の運転管理
第8章 安全管理
第9章 下水道関連法規
第10章 総合問題と計算問題

■ 主な機能
・章別練習で苦手分野を集中対策
・全問詳しい解説付き
・進捗管理と統計表示
・ダーク・ライトテーマ対応
・完全オフライン動作

本アプリは「下水道第3種技術検定」資格試験の予想問題集です。

## Key features

- 10,000+ practice questions
- 10 detailed chapters
- Chapter-specific practice
- Detailed explanations
- Progress tracking and statistics
- Offline functionality
- Dark/light theme support

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/3/id6768249358/reviews.md

### 5/5 — 正解しても不正解にされる？

*2026-06-18*

問題に正解していても（例えばアを選んでも不正解、正解はア) というような感じでバグなのか出てきてしまいます。評価は1にしたいところですが改善して欲しいので評価は5とさせていただきます。

## Frequently asked questions about 下水道3種対策

### What is 下水道3種対策?

下水道3種対策 is a study application designed to help users prepare for the 3rd Class Sewerage Technician certification exam. It provides a large question bank and detailed explanations to aid in learning.

### How many practice questions are available in 下水道3種対策?

下水道3種対策 offers a substantial collection of over 10,000 practice questions. These questions are organized into 10 distinct chapters covering various aspects of sewerage systems and management.

### Does 下水道3種対策 offer offline access?

Yes, 下水道3種対策 is designed to function completely offline. This allows users to study and practice their exam preparation without requiring an active internet connection, making it convenient for on-the-go learning.

### Can I track my progress with 下水道3種対策?

Yes, the app includes progress management and statistical displays. This feature helps users monitor their learning journey, identify areas of strength and weakness, and gauge their readiness for the exam.

### What is the age rating for 下水道3種対策?

下水道3種対策 has an age rating of 4+. This indicates that the content is generally suitable for a wide range of users, though its primary focus is on adult certification preparation.

### On which devices can I use 下水道3種対策?

下水道3種対策 is supported on iPhone, iPad, and iPod devices. This ensures compatibility with a broad spectrum of Apple's mobile and tablet hardware.

### How often is 下水道3種対策 updated?

The app was last updated on July 29, 2026, with version 1.0.3. While specific update frequency isn't detailed, this indicates ongoing maintenance and potential improvements.

### Does 下水道3種対策 have ads?

No, 下水道3種対策 does not contain advertisements. The app is designed to provide an uninterrupted study experience for users preparing for their certification exams.

## Version history (last 4 releases)

### 1.0.4 — 2026-09-19

解説の誤りと表示崩れを全問見直しました。正解と解説が食い違っていた問題、解説が空だった問題、ページ番号や見出しが混入していた問題を修正しています。

### 1.0.3 — 2026-07-29

不具合の修正: 一部の問題で、正しい選択肢を選んでも不正解と判定される問題を修正しました。全問の正答データを再検証しています。

### 1.0.2 — 2026-05-13

アプリアイコンを刷新しました。より分かりやすく親しみやすいデザインに変更しています。

### 1.0 — 2026-05-12

No release notes.

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All apps by satoshi yoshida: https://appshunter.io/developer/1873856165

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-23.*