# AI作文メーカー：完全オリジナル作文を３０秒で生成 vs 潜水士Pass

The clearest difference is ads: AI作文メーカー：完全オリジナル作文を３０秒で生成 at none against 潜水士Pass's shown. 潜水士Pass's advantage is update cadence (every 9 days vs every 8 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI作文メーカー：完全オリジナル作文を３０秒で生成 sells 4 one-off in-app purchases and 潜水士Pass sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI作文メーカー：完全オリジナル作文を３０秒で生成 ships an update every 8 months, 潜水士Pass every 9 days. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | AI作文メーカー：完全オリジナル作文を３０秒で生成 | 潜水士Pass |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 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

### AI作文メーカー：完全オリジナル作文を３０秒で生成

[App page](https://appshunter.io/ios/app/ai/id6738920715)

Generate original essays in 30 seconds with this AI-powered writing assistant. Tailor content by grade level and keywords for personalized compositions. Ideal for students, parents, and writers seeking quick creative support.

**Highlights:** 30-second essay generation, Grade-level optimization, Keyword-based content creation, Essay editing and refinement, Original composition generation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5ポイントパック | $1.99 | one-time |
| 10ポイントパック | $2.99 | one-time |
| 30ポイントパック | $6.99 | one-time |
| 50ポイントパック | $11.99 | one-time |


### 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 AI作文メーカー：完全オリジナル作文を３０秒で生成 free?

AI作文メーカー：完全オリジナル作文を３０秒で生成 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 AI作文メーカー：完全オリジナル作文を３０秒で生成 or 潜水士Pass have ads?

潜水士Pass shows ads; AI作文メーカー：完全オリジナル作文を３０秒で生成 does not.

### Which is updated more often, AI作文メーカー：完全オリジナル作文を３０秒で生成 or 潜水士Pass?

AI作文メーカー：完全オリジナル作文を３０秒で生成 ships an update every 8 months, and 潜水士Pass every 9 days. Most recently, AI作文メーカー：完全オリジナル作文を３０秒で生成 was updated on October 4, 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.*