# 1分間クレペリン計算 vs 潜水士 一問一答 試験対策問題集

The clearest difference is in-app purchases: 1分間クレペリン計算 at none against 潜水士 一問一答 試験対策問題集's 1. 潜水士 一問一答 試験対策問題集's advantage is ads (none vs shown) and iOS requirement (16.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 潜水士 一問一答 試験対策問題集 sells 1 one-off in-app purchase. 1分間クレペリン計算 asks for nothing beyond the download.

1分間クレペリン計算 ships an update weekly, 潜水士 一問一答 試験対策問題集 every 4 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | 1分間クレペリン計算 | 潜水士 一問一答 試験対策問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/1/id1617191525/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 9 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yutaka Kamoto](https://appshunter.io/developer/1459379625) | [Particles and Waves](https://appshunter.io/developer/1812653811) |

## What reviewers say

### 1分間クレペリン計算

[App page](https://appshunter.io/ios/app/1/id1617191525)

Practice the Crepelin test in a fun, one-minute game format. Track your daily progress with graphs, identify weak areas with analysis, and compete with others on the leaderboard. Ideal for exam preparation and job hunting.

**Highlights:** One-minute gameplay, Progress tracking graphs, Analysis of weak areas, Competitive leaderboard, Job interview practice

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

**In-app purchases:** none


### 潜水士 一問一答 試験対策問題集

[App page](https://appshunter.io/ios/app/id6812901669)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Full Unlock) | $2.99 | one-time |


## Frequently asked questions

### Is 1分間クレペリン計算 free?

1分間クレペリン計算 is free to download, with no in-app purchases.

### Is 潜水士 一問一答 試験対策問題集 free?

潜水士 一問一答 試験対策問題集 is free to download, with in-app purchases available.

### Do 1分間クレペリン計算 or 潜水士 一問一答 試験対策問題集 have ads?

1分間クレペリン計算 shows ads; 潜水士 一問一答 試験対策問題集 does not.

### Which is updated more often, 1分間クレペリン計算 or 潜水士 一問一答 試験対策問題集?

1分間クレペリン計算 ships an update weekly, and 潜水士 一問一答 試験対策問題集 every 4 days. Most recently, 1分間クレペリン計算 was updated on October 9, 2026 and 潜水士 一問一答 試験対策問題集 on October 9, 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.*