# 潜水士免許試験 合格ドリル vs 潜水士 一問一答 試験対策問題集

The clearest difference is in-app purchases: 潜水士免許試験 合格ドリル at none against 潜水士 一問一答 試験対策問題集's 1. 潜水士免許試験 合格ドリル also leads on device support (3 vs 1). 潜水士 一問一答 試験対策問題集's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price and iOS requirement 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. 潜水士免許試験 合格ドリル asks for nothing beyond the download.

潜水士免許試験 合格ドリル ships an update every 2 months, 潜水士 一問一答 試験対策問題集 every 4 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 潜水士免許試験 合格ドリル | 潜水士 一問一答 試験対策問題集 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 53 MB | 9 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AFTW LLC](https://appshunter.io/developer/1886356149) | [Particles and Waves](https://appshunter.io/developer/1812653811) |

## What reviewers say

### 潜水士免許試験 合格ドリル

[App page](https://appshunter.io/ios/app/id6772105356)

**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 潜水士免許試験 合格ドリル free?

潜水士免許試験 合格ドリル 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 潜水士免許試験 合格ドリル or 潜水士 一問一答 試験対策問題集 have ads?

潜水士免許試験 合格ドリル shows ads; 潜水士 一問一答 試験対策問題集 does not.

### Which is updated more often, 潜水士免許試験 合格ドリル or 潜水士 一問一答 試験対策問題集?

潜水士免許試験 合格ドリル ships an update every 2 months, and 潜水士 一問一答 試験対策問題集 every 4 days. Most recently, 潜水士免許試験 合格ドリル was updated on October 28, 2026 and 潜水士 一問一答 試験対策問題集 on October 26, 2026.

---

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