# QualityStudy PRO vs 縦式

The clearest difference is in-app purchases: QualityStudy PRO at none against 縦式's 7. QualityStudy PRO also leads on ads (none vs shown) and iOS requirement (13.4 vs 26.5). 縦式's advantage is update cadence (every 3 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 縦式 sells 7 one-off in-app purchases. QualityStudy PRO asks for nothing beyond the download.

QualityStudy PRO ships an update every 2 months, 縦式 every 3 days. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | QualityStudy PRO | 縦式 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (56 ratings)](https://appshunter.io/ios/app/id1415281201/reviews)** |
| Number of ratings | — | **56** |
| Positive reviews | — | 87.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 15 MB |
| Requires iOS | **13.4** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNICUS Co., Ltd.](https://appshunter.io/developer/295442842) | [Kazuyuki Mitsui](https://appshunter.io/developer/382975066) |

## What reviewers say

### QualityStudy PRO

[App page](https://appshunter.io/ios/app/qualitystudy-pro/id1159586346)

**Features:** macOS Compatibility

**In-app purchases:** none


### 縦式

[App page](https://appshunter.io/ios/app/id1415281201)

This app is a simple vertical writing text editor for novels, essays, and reports. It supports features like ruby text, emphasis marks, and PDF output in various paper sizes. It also includes input assistance and iCloud Drive integration.

**Highlights:** Vertical writing support, Ruby text and emphasis marks, PDF export (multiple paper sizes), Input assistance, iCloud Drive integration, Custom font installation, Character palette

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 飾り線 | $0.99 | one-time |
| 追加用紙 | $1.99 | one-time |
| 飾り枠（画像） | $1.99 | one-time |
| 擬似小口染め | $1.99 | one-time |
| アップグレード3.0 | $1.99 | one-time |
| アップグレード 2.0 | $3.99 | one-time |
| 広告削除 | $4.99 | one-time |


## Frequently asked questions

### Is QualityStudy PRO free?

QualityStudy PRO is free to download, with no in-app purchases.

### Is 縦式 free?

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

### Do QualityStudy PRO or 縦式 have ads?

縦式 shows ads; QualityStudy PRO does not.

### Which is updated more often, QualityStudy PRO or 縦式?

QualityStudy PRO ships an update every 2 months, and 縦式 every 3 days. Most recently, QualityStudy PRO was updated on September 9, 2026 and 縦式 on September 22, 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.*