# Study Vision AI 復習ノート vs 潜水士Pass

The clearest difference is update cadence: Study Vision AI 復習ノート at every 2 days against 潜水士Pass's every 9 days. 潜水士Pass's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Study Vision AI 復習ノート sells 2 in-app purchases, starting at $12.99 per month and 潜水士Pass sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Study Vision AI 復習ノート ships an update every 2 days, 潜水士Pass every 9 days. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Study Vision AI 復習ノート | 潜水士Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 6 MB | 44 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [KANDK](https://appshunter.io/developer/1867080143) |

## What reviewers say

### Study Vision AI 復習ノート

[App page](https://appshunter.io/ios/app/study-vision-ai/id6757267244)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Plan | $12.99 | per month |
| PREMIUMプラン | $24.99 | per month |


### 潜水士Pass

[App page](https://appshunter.io/ios/app/pass/id6788178627)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is Study Vision AI 復習ノート free?

Study Vision AI 復習ノート is free to download, with in-app purchases available.

### Is 潜水士Pass free?

潜水士Pass is free to download, with in-app purchases available.

### Do Study Vision AI 復習ノート or 潜水士Pass have ads?

Both Study Vision AI 復習ノート and 潜水士Pass show ads.

### Which is updated more often, Study Vision AI 復習ノート or 潜水士Pass?

Study Vision AI 復習ノート ships an update every 2 days, and 潜水士Pass every 9 days. Most recently, Study Vision AI 復習ノート was updated on October 8, 2026 and 潜水士Pass on September 26, 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.*