# CamWorkbook vs 潜水士 一問一答 試験対策問題集

The clearest difference is update cadence: 潜水士 一問一答 試験対策問題集 at every 4 days against CamWorkbook's every 9 months. CamWorkbook's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. CamWorkbook sells 1 one-off in-app purchase and 潜水士 一問一答 試験対策問題集 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CamWorkbook ships an update every 9 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 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CamWorkbook | 潜水士 一問一答 試験対策問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 59.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 9 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Prime System Laboratory Co.,Ltd.](https://appshunter.io/developer/480082595) | [Particles and Waves](https://appshunter.io/developer/1812653811) |

## What reviewers say

### CamWorkbook

[App page](https://appshunter.io/ios/app/camworkbook-study-anywhere/id564776269)

Transform photos of study materials into interactive workbooks. Practice questions, focus on weak points, and share your creations. Supports various file types and cloud storage for easy access and backup.

**Highlights:** Create workbooks from photos, Practice questions, Focus on weak points, Import from JPEG/PDF via iTunes/Dropbox, Share workbooks with friends, Backup workbooks to Dropbox

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Default Upgrade Functions | $2.99 | one-time |


### 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 CamWorkbook free?

CamWorkbook is free to download, with in-app purchases available.

### 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 CamWorkbook or 潜水士 一問一答 試験対策問題集 have ads?

Neither CamWorkbook nor 潜水士 一問一答 試験対策問題集 shows ads.

### Which is updated more often, CamWorkbook or 潜水士 一問一答 試験対策問題集?

CamWorkbook ships an update every 9 months, and 潜水士 一問一答 試験対策問題集 every 4 days. Most recently, CamWorkbook was updated on October 15, 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.*