# 技術士 一次試験（建設部門） vs コンクリート診断士試験対策 (AI生成搭載)

The clearest difference is in-app purchases: コンクリート診断士試験対策 (AI生成搭載) at none against 技術士 一次試験（建設部門）'s 1. コンクリート診断士試験対策 (AI生成搭載) also leads on update cadence (every 8 days vs every 5 months) and iOS requirement (13.0 vs 16.0). 技術士 一次試験（建設部門）'s advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 技術士 一次試験（建設部門） sells 1 one-off in-app purchase. コンクリート診断士試験対策 (AI生成搭載) asks for nothing beyond the download.

技術士 一次試験（建設部門） ships an update every 5 months, コンクリート診断士試験対策 (AI生成搭載) every 8 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 技術士 一次試験（建設部門） | コンクリート診断士試験対策 (AI生成搭載) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 72 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Hiroshige Ueyama](https://appshunter.io/developer/1841523126) |

## What reviewers say

### 技術士 一次試験（建設部門）

[App page](https://appshunter.io/ios/app/id6757377376)

This app offers a comprehensive study tool for the Technician Grade 1 exam (Construction Department). It features approximately 500 practice questions with detailed explanations and progress tracking to maximize learning efficiency. Study anytime, anywhere, even offline.

**Highlights:** Approximately 500 practice questions, Detailed explanations for each question, Progress tracking and visualization of weak areas, Intuitive and one-handed operation, Random and review question modes, Offline study capability

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 技術士（建設部門） 試験対策 | $1.99 | one-time |


### コンクリート診断士試験対策 (AI生成搭載)

[App page](https://appshunter.io/ios/app/ai/id6760418607)

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

**In-app purchases:** none


## Frequently asked questions

### Is 技術士 一次試験（建設部門） free?

技術士 一次試験（建設部門） is free to download, with in-app purchases available.

### Is コンクリート診断士試験対策 (AI生成搭載) free?

コンクリート診断士試験対策 (AI生成搭載) is free to download, with no in-app purchases.

### Do 技術士 一次試験（建設部門） or コンクリート診断士試験対策 (AI生成搭載) have ads?

コンクリート診断士試験対策 (AI生成搭載) shows ads; 技術士 一次試験（建設部門） does not.

### Which is updated more often, 技術士 一次試験（建設部門） or コンクリート診断士試験対策 (AI生成搭載)?

技術士 一次試験（建設部門） ships an update every 5 months, and コンクリート診断士試験対策 (AI生成搭載) every 8 days. Most recently, 技術士 一次試験（建設部門） was updated on October 31, 2026 and コンクリート診断士試験対策 (AI生成搭載) on October 25, 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.*