Comparison

Go Challenger vs 碁楽 Goraku

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

Head to head
About

Go Challenger

Enhance your Go skills with daily Life & Death quizzes and AI-powered move analysis. Practice thousands of problems tailored to your level, compete globally, and test your abilities.

Highlights
  • AI-powered move analysis
  • 5,000+ Life & Death quizzes
  • Daily tailored quizzes
  • Global user competition
  • Level testing
  • Customizable Go stones and boards
Features
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High-quality Life&Death application that is more fun and easy to understand with AI responding to all moves! It is a Go game that was created with the long-standing know-how and technology of the global Go site TYGEM. Improve your Go skills with carefully selected Life&Death quizzes every day. Characteristics of the game - PRO AI will respond to all your moves until you understand them. AI accepts all the wrong moves, so you can try indefinitely with your own thoughts. If you try multiple times, you'll be close to the answer. - There are approximately 5,000 high-quality Life&Death quizzes waiting for you. The quizzes are divided by "To kill" and "To live", so you can choose the quiz you want and try it. Also, each is divided into 7 levels of difficulty, so experience the quiz that fits your level right away. - A new quiz tailored to your Go level is recommended every day. Challenge your own Life&Death quizzes that change every day. Life&Death quizzes tailored to your level will upgrade your Go level further. - Compete with users all over the world Each quiz has a record of the number of challenges and success rates of users worldwide. If you succeed in a Life&Death quiz for the first time, you will remain the eternal successful challenger of the quiz. Try challenging quizzes with low success rates - How strong is my Life&Death level? You don't have to solve all the quizzes to know your level. Check your level in a short period of time with the level test. If you knew your level, all you have to do is boost your level. - Various Go stones and Go board skins If you're tired of the classic Go background, try changing the Go skin to suit your taste. There are many combinations of Go stones and Go boards, so find the best combination that makes you feel the best.

About

碁楽 Goraku

Features
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--- 碁楽 – 誰でも遊べる囲碁アプリ 肢体に不自由のある方もハンズフリーで囲碁が楽しめる、誰でも遊べる囲碁アプリです。9路・13路・19路の3種類の盤面に対応し、 ローカル対局からオンライン対戦、検討モード、棋譜の保存まで、囲碁ライフに必要な機能を一つにまとめました。 【主な機能】 ・音声で石を打てる(日本語・英語対応) ・9路・13路・19路 の3種の盤面サイズ ・ローカル2人対局 ・オンライン対局(ルームコード共有) ・対局中チャット(碁盤を見ながら会話可能) ・検討モード(リアルタイム共有・変化図保存) ・棋譜のSGF書き出し ・投了・パス・一手戻すなど標準的な対局操作 【音声入力について】 画面に触れずに、声だけで石を打つことができます。 例: 「ごのご」→ 5の5に着手 「じゅういちのなな」→ 11の7に着手 「みぎ」「ひだり」「うえ」「した」→ 直前の手の隣へ 「とうりょう」「ぱす」「もどる」→ 投了・パス・一手戻す 手先がうまく使えない方も、画面に触れずに対局を進められます。日本語音声認識を使い、自然な発話で打てるよう調整しています。 【オンライン対局】 ルームコードを共有するだけで離れた相手と対局できます。 ・ホストは先手(黒)・後手(白)・ランダムから選択可能 ・ルームコードはメッセージ、メール、LINEなどから簡単に共有 ・対局中はワンタップでチャットを開閉、開いている間も碁盤は表示されたまま ・対局終了後はそのまま検討モードに移行、両者の画面が同期 【検討モード】 ・対局を1手ずつ進めたり戻したり、自由に局面を行き来 ・盤面タップで仮想着手「もしここに打っていたら…」を試せます ・分岐(変化図)を複数保存し、SGFファイルとして書き出せる ・オンライン対局では2人で同じ画面を見ながら検討できます 【棋譜保存・共有】 対局結果はSGF形式で保存・共有できます。検討モードで作成した変化図も個別のファイルとして書き出し可能。他の囲碁ソフトでもそのまま読み込めます。 【こんな方におすすめ】 ・手や指が不自由で、画面操作が難しい方 ・音声で囲碁を楽しみたい方 ・友人と離れた場所でオンライン対局したい方 ・対局を後で振り返って学習したい方 ・9路・13路・19路を気軽に遊びたい方 囲碁の楽しさを、すべての人に。 碁楽をぜひお楽しみください。 ---

Screenshots

Go Challenger4 screens
碁楽 Goraku4 screens

Verdict

The call

The clearest difference is in-app purchases: 碁楽 Goraku at none against Go Challenger's 5. 碁楽 Goraku also leads on ads (none vs shown). Go Challenger's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (13.0 vs 17.0). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Go Challenger sells 5 one-off in-app purchases. 碁楽 Goraku asks for nothing beyond the download.

UpkeepUpdate frequency

Go Challenger ships an update every 5 weeks, 碁楽 Goraku every 3 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Go Challenger versus 碁楽 Goraku: the parameters behind the verdict, then further details
ParameterGo Challenger碁楽 Goraku
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews58.3% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size109 MB12 MB
Age rating4+4+
DeveloperCom2uS TYGEM CorporationTsuyoshi Nakagawa

In-app purchases

5 purchases

Go Challenger

One-time5
  • Key Single Item 1$1.99
  • Ad Removal Item$1.99
  • Key Single Item 2$3.99
Show 2 more
  • Monthly limitation$5.99
  • Key Single Item 3$19.99
None

碁楽 Goraku

No in-app purchases

Questions

Is Go Challenger free?
Go Challenger is free to download, with in-app purchases available.
Is 碁楽 Goraku free?
碁楽 Goraku is free to download, with no in-app purchases.
Do Go Challenger or 碁楽 Goraku have ads?
Go Challenger shows ads; 碁楽 Goraku does not.
Which is updated more often, Go Challenger or 碁楽 Goraku?
Go Challenger ships an update every 5 weeks, and 碁楽 Goraku every 3 months. Most recently, Go Challenger was updated on November 3, 2026 and 碁楽 Goraku on October 24, 2026.

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