# Osmo Masterpiece vs 世界で一番やさしい囲碁問題集

The clearest difference is rating: 世界で一番やさしい囲碁問題集 at 5.0 against Osmo Masterpiece's 3.9. 世界で一番やさしい囲碁問題集 also leads on review sentiment (58% vs 49%). Osmo Masterpiece's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 世界で一番やさしい囲碁問題集 sells 1 one-off in-app purchase. Osmo Masterpiece asks for nothing beyond the download.

世界で一番やさしい囲碁問題集 holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Osmo Masterpiece has 625 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 49% of Osmo Masterpiece's written reviews are positive against 58% of 世界で一番やさしい囲碁問題集's.

Osmo Masterpiece ships an update every 2 months, 世界で一番やさしい囲碁問題集 every 8 months. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Osmo Masterpiece | 世界で一番やさしい囲碁問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (625 ratings)](https://appshunter.io/ios/app/osmo-masterpiece/id947529440/reviews) | **[5.0 (21 ratings)](https://appshunter.io/ios/app/id1487753830/reviews)** |
| Number of ratings | **625** | 21 |
| Positive reviews | 49.0% of reviews | **58.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 272 MB | 114 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [UNBALANCE Corporation](https://appshunter.io/developer/358617691) |

## What reviewers say

### Osmo Masterpiece

[App page](https://appshunter.io/ios/app/osmo-masterpiece/id947529440)

Transform your device into a drawing assistant. Capture images, search online, or select from a gallery to trace onto paper. Enhance your artistic abilities with this interactive drawing tool.

**Highlights:** Draw from photos, web, or gallery, Trace images onto paper, Save and share creations, Works on iPhone and iPad, Interactive learning experience

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for improving drawing skills
- 🎨 Allows taking photos and drawing on them
- 💰 Free to use

**What reviewers complain about**

- 🐛 Frequent glitches and freezing issues
- 🤔 Compatibility issues with newer devices
- 🔍 Search function not working for some users

**Reported bugs**

- Camera freezing during use
- Drawing lines moving unexpectedly
- Compatibility issues with certain iPad models

**Requested features**

- Allow drawing without Osmo setup
- Improve search functionality
- Add option to save/share drawings


### 世界で一番やさしい囲碁問題集

[App page](https://appshunter.io/ios/app/id1487753830)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 (世界で一番やさしい囲碁問題集) | $5.99 | one-time |


## Frequently asked questions

### Is Osmo Masterpiece free?

Osmo Masterpiece is free to download, with no in-app purchases.

### Is 世界で一番やさしい囲碁問題集 free?

世界で一番やさしい囲碁問題集 is free to download, with in-app purchases available.

### Which has better reviews, Osmo Masterpiece or 世界で一番やさしい囲碁問題集?

世界で一番やさしい囲碁問題集 is rated higher. Osmo Masterpiece averages 3.9 out of 5 from 625 ratings, while 世界で一番やさしい囲碁問題集 averages 5.0 from 21 ratings.

### Do Osmo Masterpiece or 世界で一番やさしい囲碁問題集 have ads?

世界で一番やさしい囲碁問題集 shows ads; Osmo Masterpiece does not.

### Which is updated more often, Osmo Masterpiece or 世界で一番やさしい囲碁問題集?

Osmo Masterpiece ships an update every 2 months, and 世界で一番やさしい囲碁問題集 every 8 months. Most recently, Osmo Masterpiece was updated on November 4, 2026 and 世界で一番やさしい囲碁問題集 on November 7, 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.*