Comparison

日本史マスター vs AI Sensei Info I

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

Head to head
About

日本史マスター

Features
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「日本史マスター」は、大学入試に向けた日本史学習を強力にサポートする四択クイズアプリです。共通テスト・東大二次試験・私立医学部入試に対応した1,100問を収録。縄文時代から平成時代まで全14時代、政治史・文化史・外交史・社会経済史の4分野をカバーし、基礎から発展まで3段階の難易度で、あなたのレベルに合った学習が可能です。 【練習モード】 時代・テーマ・対象試験・難易度を自由に組み合わせて出題範囲を絞り込めます。10問・20問・30問・全問から出題数を選択でき、1問ごとに正誤判定と詳しい解説を確認。苦手分野を集中的に克服できます。 【模擬試験モード】 共通テスト・東大二次・私立医学部の3種類の模擬試験を搭載。各50問・制限時間60分の本番さながらの環境で実力を測定できます。残り5分で警告、残り1分で画面点滅の臨場感あるタイマー付き。タイムアップ時は自動採点されるので、時間配分の練習にも最適です。 【成績分析・学習履歴】 - 総合正答率・解答済み問題数・連続学習日数を一目で確認 - 日別正答率の推移グラフ(直近30日) - 時代別・テーマ別の正答率グラフで得意・苦手を可視化 - 苦手分野ランキングTOP5で弱点を明確に把握 - 模擬試験スコアの推移で成長を実感 【目標設定】 1日の目標問題数や試験別の目標点数を設定でき、計画的な学習をサポートします。 【データ管理】 学習データのエクスポート・インポートに対応。端末の買い替え時もデータを引き継げます。 【こんな方におすすめ】 - 共通テストの日本史で高得点を目指す受験生 - 東大をはじめとする難関大学の二次試験対策をしたい方 - 私立医学部の日本史対策を効率的に進めたい方 - 通学時間やスキマ時間を活用して日本史を学びたい方 - 苦手分野を把握して効率的に学習したい方 ネットワーク接続不要でいつでもどこでも学習できます。毎日コツコツ問題を解いて、日本史を得点源にしましょう!

About

AI Sensei Info I

Features
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Tap for Info I is a programming study app specialized for Japan's "Information I" Common Test (Joho I), a new compulsory subject for university entrance exams. Learn the pseudo-code (DNCL / Common Test program notation) required by the new curriculum, gamified. ▼ Best for - High school students studying "Information I" - Students aiming at the Common Test 2026 / 2027 - Beginners who want to learn Python or pseudo-code basics - Anyone reviewing in small chunks of free time - Both humanities and science track students who want to score on Info subjects ▼ Build code by tapping — no keyboard Just tap components to assemble Common Test pseudo-code (DNCL / DNCL2 standard code). No syntax stumbles — focus on algorithmic thinking: conditionals, loops, arrays, functions. ▼ See code run, one step at a time Run your code and watch variables and arrays change step by step. The trace feature lets you visually follow why each answer is what it is. Same format as the actual Common Test — great for past-question practice. ▼ AI tutor guides your thinking Stuck? Ask the AI tutor. It returns hints and ways to think instead of giving the whole answer — building metacognition. Backed by Gemini 2.5, tuned for the Information I exam style. ▼ Gamified learning design - Quest mode with stages and level ups - 32+ badges to collect - National leaderboard (12 metrics: XP, accuracy, streak…) - Daily streak tracker for habit building - Time Attack mode to sharpen quick thinking ▼ Wide topic coverage Programming (191 questions, DNCL2 compliant) plus Information Society, Networks, and Data Analysis (400+ questions total). Wrong answers loop back into your review queue automatically. ▼ AI tutor (free 3/day, unlimited for Premium) - Ask AI on any question - "Hint", "Alternative solution", "Meaning of the expression" — free-form - Chat history saved per question (Premium) ▼ Multilingual (Japanese / English / Simplified Chinese) Full interface, AI tutor, and glossary are localized — great for Japanese students, international students, and learners studying Japanese Info I from abroad. ▼ Privacy Stats stored anonymously in the cloud for the leaderboard. No name, email, or address collected. AdMob for ads, ATT compliant. ▼ When to use - 1 quick problem on the commute or in a free moment - Focused review of weak areas (programming, data analysis) - Run past-exam pseudo-code to truly understand it - Master the underlying algorithms instead of memorizing - Compete with friends and classmates on the leaderboard Conquer Japan's "Information I" Common Test like a game — fun and truly deep.

Screenshots

日本史マスター4 screens
AI Sensei Info I4 screens

Verdict

The call

The clearest difference is in-app purchases: 日本史マスター at none against AI Sensei Info I's 2. 日本史マスター also leads on ads (none vs shown). On price, update cadence, 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. AI Sensei Info I sells 2 in-app purchases, starting at $2.99 per month. 日本史マスター asks for nothing beyond the download.

UpkeepUpdate frequency

日本史マスター ships an update every 11 days, AI Sensei Info I every 2 weeks. The most recent releases landed on September 7, 2026 and June 25, 2026 respectively.

Scorecard2 real differences · 4 level
日本史マスター versus AI Sensei Info I: the parameters behind the verdict, then further details
Parameter日本史マスターAI Sensei Info I
PriceFreeFree
Update frequencyEvery 11 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size9 MB91 MB
Age rating4+4+
Developerma zheKazuaki Takahashi

In-app purchases

None

日本史マスター

No in-app purchases

2 purchases

AI Sensei Info I

Subscriptions2
  • 月額プラン$2.991 Month
  • 年額プラン$22.991 Year

Questions

Is 日本史マスター free?
日本史マスター is free to download, with no in-app purchases.
Is AI Sensei Info I free?
AI Sensei Info I is free to download, with in-app purchases available.
Do 日本史マスター or AI Sensei Info I have ads?
AI Sensei Info I shows ads; 日本史マスター does not.
Which is updated more often, 日本史マスター or AI Sensei Info I?
日本史マスター ships an update every 11 days, and AI Sensei Info I every 2 weeks. Most recently, 日本史マスター was updated on September 7, 2026 and AI Sensei Info I on June 25, 2026.

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