# 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ vs 旅する！色彩検定2級

The clearest difference is monetization model: 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ at free against 旅する！色彩検定2級's paid. 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ also leads on iOS requirement (12.0 vs 15.0). 旅する！色彩検定2級's advantage is update cadence (every 3 weeks vs every 8 months). On ads, in-app purchases and device support there is nothing between them.

技術士 上下水道部門 過去問集 | 専門科目の対策アプリ ships an update every 8 months, 旅する！色彩検定2級 every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ | 旅する！色彩検定2級 |
| --- | --- | --- |
| Price | — | **$1.99** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/id6746373176/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 58 MB | 146 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [KAORI YAMAWAKI](https://appshunter.io/developer/1827654606) |

## What reviewers say

### 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ

[App page](https://appshunter.io/ios/app/id6746373176)

This app provides past exam questions for the first-stage professional subject of civil engineering and waterworks for the Professional Engineer exam. It features offline use, ad-free study, and progress tracking with results analysis.

**Highlights:** Past exam questions (3 years), Offline use, Ad-free study environment, Question breakdown by exam, Randomized question sets, Review of incorrect/unanswered questions, Performance analysis with radar charts

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

**In-app purchases:** none


### 旅する！色彩検定2級

[App page](https://appshunter.io/ios/app/2/id6759063339)

This app offers over 400 practice questions to prepare for the Color Aptitude Test Level 2. It's designed as a comprehensive study guide, covering all exam topics with hints to aid understanding and reinforce knowledge through interactive problem-solving.

**Highlights:** 400+ original practice questions, Comprehensive study guide, Hints for all questions, Covers all Level 2 exam topics, Interactive learning experience, Visual color recognition practice

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

**In-app purchases:** none


## Frequently asked questions

### Is 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ free?

Pricing for 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ is not currently listed on the App Store.

### Is 旅する！色彩検定2級 free?

旅する！色彩検定2級 costs $1.99, with no in-app purchases.

### Do 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ or 旅する！色彩検定2級 have ads?

Neither 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ nor 旅する！色彩検定2級 shows ads.

### Which is updated more often, 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ or 旅する！色彩検定2級?

技術士 上下水道部門 過去問集 | 専門科目の対策アプリ ships an update every 8 months, and 旅する！色彩検定2級 every 3 weeks. Most recently, 技術士 上下水道部門 過去問集 | 専門科目の対策アプリ was updated on October 8, 2026 and 旅する！色彩検定2級 on October 24, 2026.

---

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