# コンクリート診断士試験対策 (AI生成搭載) vs 河川点検士対策

The clearest difference is price: コンクリート診断士試験対策 (AI生成搭載) at Free against 河川点検士対策's $4.99. 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 2 months) and iOS requirement (13.0 vs 15.1). 河川点検士対策's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

コンクリート診断士試験対策 (AI生成搭載) is free to download; 河川点検士対策 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

コンクリート診断士試験対策 (AI生成搭載) ships an update every 8 days, 河川点検士対策 every 2 months. The most recent releases landed on October 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | コンクリート診断士試験対策 (AI生成搭載) | 河川点検士対策 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 2 months |
| Size | 72 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroshige Ueyama](https://appshunter.io/developer/1841523126) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 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


### 河川点検士対策

[App page](https://appshunter.io/ios/app/id6769263513)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 河川点検士対策 free?

河川点検士対策 costs $4.99, with no in-app purchases.

### Do コンクリート診断士試験対策 (AI生成搭載) or 河川点検士対策 have ads?

コンクリート診断士試験対策 (AI生成搭載) shows ads; 河川点検士対策 does not.

### Which is updated more often, コンクリート診断士試験対策 (AI生成搭載) or 河川点検士対策?

コンクリート診断士試験対策 (AI生成搭載) ships an update every 8 days, and 河川点検士対策 every 2 months. Most recently, コンクリート診断士試験対策 (AI生成搭載) was updated on October 9, 2026 and 河川点検士対策 on September 23, 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.*