Comparison

Osmo Masterpiece vs 世界で一番やさしい囲碁問題集

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Osmo Masterpiece

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
Read full description

Draw anything you want with Masterpiece. Take a picture, search the web, or use one of the images from our gallery. Then using the Osmo stand put a piece of paper in front of your iPad and begin drawing. When you're done you can save and share your creation. Play your favourite Osmo Masterpiece on both iPhone and iPad! Use your iPhone with the "Osmo Base for iPad" *Requires the Osmo Base available at www.playosmo.com. * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 * Compatible iPhones: iPhone 12, 12 Pro, 12 Pro Max iPhone 13, 13 Pro, 13 Pro Max iPhone 14, 14 Plus * Not compatible: iPhone 14 Pro, 14 Pro Max iPhone 12 Mini,13 Mini iPhone SE (1-3) iPhone 11 Series and older About Osmo Osmo is using the screen to create a new healthy, hands-on learning experience that promotes creativity, problem-solving and social interaction. We do this with our reflective artificial intelligent technology. Warning: Masterpiece may display images from Bing Image SafeSearch but can be disabled (send questions to kids@playosmo.com)

About

世界で一番やさしい囲碁問題集

Features
Read full description

「これから囲碁を覚えたい」という方のために、入門者の指導に定評のある人気棋士、吉原由香里・王唯任・万波佳奈が監修した、「世界でいちばんやさしい」囲碁の問題集をご用意。 やさしい問題を繰り返し解くことで、自然と囲碁のルールと基本的な打ち方が身につきます! 「囲碁は難しそうだから・・・」と、これまで囲碁を始めることに躊躇していた方も、この問題集で楽しみながら囲碁をマスターしてみませんか? ■テーマ別に収録された基本問題合計540問 世界でいちばんやさしい囲碁問題集は、20コのテーマから構成されており、各テーマごとに「解説」と「問題」をご用意しました。 最初は4つのテーマが解放されており、進級することでどんどんと新しいテーマが解放されていきます。 ■「テストに挑戦」機能 問題集を進めていくと、「テストに挑戦」することができるようになります。こちらは、これまでに解いた問題の中から、ランダムに選ばれた30問がテスト形式で出題されるモードです。 どれだけ囲碁の基本をマスターできたのかを「テストに挑戦」することで確認してみてください! ■囲碁のルール解説 わかりやすい解説に定評のある先生方が、本アプリのために書きおろした囲碁のルール解説もご用意してありますので、初心者の方でも安心して囲碁を始められます!  ■テーマ一覧 ・アタリを取る レベル1、レベル2、レベル3 ・どっちが勝ち? ・アタリを守る ・石を仲間にする ・着手禁止点を探す ・打てるか打てないか ・死に石探し ・ダメ探し ・アタリ探し ・ナナメを狙う ・ナナメを守る ・侵入を止める ・石の追いかけ方 ・キズ探し ・侵入した石を取る ・終局 レベル1、レベル2、レベル3

Screenshots

Osmo Masterpiece4 screens
世界で一番やさしい囲碁問題集4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Osmo Masterpiece versus 世界で一番やさしい囲碁問題集: the parameters behind the verdict, then further details
ParameterOsmo Masterpiece世界で一番やさしい囲碁問題集
PriceFreeFree
Rating3.9 (625 ratings)5.0 (21 ratings) — better
Positive reviews49.0% of reviews58.0% of reviews — better
Number of ratings625 — better21
Update frequencyEvery 2 months — betterEvery 8 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size272 MB114 MB
Age rating4+4+
DeveloperTangible PlayUNBALANCE Corporation

Customer experience

Osmo Masterpiece

All ratings625 ratings
Positive70.6%
Neutral7.4%
Negative22.1%
Written reviews153 reviews
Positive49.0%
Neutral12.4%
Negative38.6%

世界で一番やさしい囲碁問題集

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews50 reviews
Positive58.0%
Neutral16.0%
Negative26.0%

Bugs and requests

Osmo Masterpiece

Reported bugs

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

Requested features

3 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Osmo Masterpiece

No in-app purchases

1 purchases

世界で一番やさしい囲碁問題集

One-time1
  • 広告削除 (世界で一番やさしい囲碁問題集)$5.99

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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