囲碁であそぼ! vs Euclid Quest
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
囲碁であそぼ!
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「囲碁であそぼ!」は囲碁の日本棋院が提供する全く新しい囲碁入門アプリで、可愛いキャラと日本全国を旅しながら、楽しく囲碁が学べます。 ◆どんどん進めたくなるストーリーモード◆ RPGのようなストーリーモード「探求の旅」では、日本全国を旅しながら楽しく囲碁を覚えられます。 舞台は囲碁戦国時代、47都道府県を巡ってご当地の戦国武将が持つ家紋を集めよう! ◆石取りゲーム、修行、道場◆ 囲碁を学習するためのストーリーモードだけでなく、石を取る練習ができる「石取りゲーム」、6路盤と9路盤の対局を遊べる「修行」、さらには真剣勝負で己の棋力を試すことができる「道場」モードも搭載。 ◆ゲーム感覚の学習だから継続して遊びたくなる◆ こばんを集めてお買い物、50種類のミッションなどのお楽しみ要素が盛り沢山。楽しいから自然と学習が継続でき、どなたでも簡単に囲碁を打てるようになります。 ◆初心者の指導に定評のある有名棋士3名による監修◆ アプリ内の問題・解説はすべて大橋拓文七段、吉原由香里六段、風間隼四段による完全書き下ろし。先生方は、アプリ内のMy先生としても登場します! 【先生方のコメント】 ・大橋拓文七段 日本全国を旅しながら楽しく囲碁を覚えられるよ。問題を解いて家紋をいっぱい集めよう。 ・吉原由香里六段 紫式部や徳川家康など多くの偉人が愛した囲碁。可愛いキャラと日本地図を旅しながら楽しく学べます。3日で囲碁が打てますよ! ・風間隼四段 ルールを覚えた後も対局や問題を解く事でより深いレベルの囲碁を楽しめるようになります。継続してやってみてね!
Euclid Quest
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Euclid Quest turns classical geometry proofs into a calm, paper-and-ink puzzle game. No typing, no formulas to memorize upfront: tap the angles, segments and triangles in the figure, pick a theorem, and watch your proof grow line by line until Q.E.D. HOW IT PLAYS • Tap elements in the figure, then choose the reason — every step is a real geometric inference • Equal values carry over automatically and appear right on the figure • Stuck? A hint can highlight what to select, and the free theorem guide shows a worked example for every rule WHAT'S INSIDE • A hand-crafted main journey across 6 chapters: vertical angles, parallel lines, triangles, congruence, circles and more • Thousands of extra practice puzzles in the puzzle bank, with fresh daily picks • A gentle tutorial guided by Euclid himself • Full offline play — proofs work anywhere • Available in English, 繁體中文, 简体中文, 日本語, 한국어, Español, Français and Deutsch For working adults who miss the satisfaction of a clean logical argument, students who want geometry to finally click, and anyone who enjoys puzzles with real substance. Every proof ends the same way: Q.E.D. — and it feels earned.
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Verdict
The clearest difference is in-app purchases: 囲碁であそぼ! at none against Euclid Quest's 4. 囲碁であそぼ! also leads on iOS requirement (12.0 vs 15.0). Euclid Quest's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support 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
Both are free to download. Euclid Quest sells 4 one-off in-app purchases. 囲碁であそぼ! asks for nothing beyond the download.
囲碁であそぼ! ships an update every 3 weeks, Euclid Quest weekly. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.
| Parameter | 囲碁であそぼ! | Euclid Quest |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 65.0% of reviews | — |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 154 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | UNBALANCE Corporation | First Mover Tech Co,. Ltd. |
In-app purchases
囲碁であそぼ!
No in-app purchases
Euclid Quest
- Small Shell Pack$0.99
- Medium Shell Pack$2.99
- Large Shell Pack$4.99
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- Unlimited Access$5.99









