パブロフくんと学ぶITパスポート vs Oracle Java SE 21 Developer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
パブロフくんと学ぶITパスポート
Study for the IT Passport exam with over 1100 past questions. Practice efficiently by focusing on frequently asked or missed questions, and review specific topics or weak areas. This app is designed for convenient study during commutes or breaks.
- 1149 past questions (up to 2021)
- Focus on frequently asked questions
- Review missed questions
- Bookmark weak questions for practice
- Multiple study modes (topic, random, bookmark, missed)
- Companion book available
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パブロフくんと学ぶITパスポート! 過去問が1149問収録! りんご先輩、パブロフくんと一緒に勉強しよう! ▼アプリの利用 ・通勤の電車の中で ・眠る前に ・仕事の休み時間に スキマ時間に、ITパスポートの過去問をたくさん解こう! ▼パブロフくんと学ぶITパスポートの5つの特徴 ①充実の問題数。 2021年までの過去問が1149問。 ②よく出る問題だけ、効率的に解ける。 ③ミスした問題だけ集中して復習できる。 ④苦手な問題はチェックを付けて後で特訓できる。 ▼モード説明 1 よく出る問題 何度も出ている重要度の高い問題を解く。 2 細かい問題 重要度は高くないが、出題された事のある問題を解く。 3 つづきから 前回セーブした問題から解く。 4 分野別 分野ごとに問題を順番に解く。 5 チェックのみ 自分でチェックした問題だけ出題。苦手克服に最適。 6 ミスのみ 間違った問題だけ出題。効率的に復習できる。 7 ランダム 全問題の中からランダムに10問を出題。 ▼書籍 『パブロフくんと学ぶITパスポート 第3版 中央経済社 よせだあつこ著』 アプリと完全対応した書籍を同時発売。「書籍でインプット」&「アプリでアウトプット」が合格への近道。 ▼登場人物 【青木 りんご】 ハタマート株式会社システム部の先輩。優秀なシステムエンジニア。 【パブロフ】 ハタマート株式会社システム部の新入社員。 ▼製作者 よせだ あつこ willsi株式会社取締役。公認会計士。 監査法人勤務を経て、スマホアプリの企画・開発・販売をおこなうwillsi株式会社を設立。開発した学習アプリ「パブロフ」シリーズは100万ダウンロードの大ヒット。 監査法人時代はシステム監査部門に所属。さらに現職でのプログラミング、開発の経験から、ITパスポート受験生に「わかりやすい」「合格できる」書籍とアプリを届けている。 プログラミング・イラスト・漫画なんでもこなすレアな会計士。
Oracle Java SE 21 Developer
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Prepare for Oracle Java SE 21 Developer with one connected flow from core concepts to practice, review, and mock exams. Official credential reference: Oracle Java SE 21 Developer Professional The current question bank contains 500 questions. Study in 50-question sets or focus by domain, subdomain, and difficulty. Single-select and multiple-select items are supported where applicable. Immediately after answering, check the correct-answer explanation and the reasoning for every choice so you understand both why the answer is correct and why the alternatives do not fit. Structured study and records • 50-question set learning plus domain, subdomain, and difficulty filters • Immediate grading, correct-answer explanations, and choice-by-choice rationales • Separate saved progress and resume for set, domain, and difficulty study and for mock exams • A study-history calendar with daily question and key-term activity, monthly totals, and study streaks • Review of wrong answers, repeated misses, review notes, and weak-area analysis • Timed mock exams that hide explanations until submission, allow answer changes before submission, and show results by domain • Weekly goal reminders with a configurable notification time • Light, dark, and system themes A smooth learning flow Move quickly among Home, Study, Review, Mock Exam, and Settings. Each mode keeps its own learning state, and moving to the next item after a long explanation automatically returns the new question card to the top. Basic terms and optional audio study Use the basic-term flashcards as the primary memorization tool. When useful, turn on automatic audio playback to repeat key terms while walking, resting, or preparing for sleep without continuously reading the screen. The questions in this app are current as of August 2026, and we plan to review and update every exam’s question bank at least once a year. The questions are independently authored for study and do not reproduce live exam items, dumps, leaked questions, or third-party question banks. This is an independent study app and is not affiliated with, endorsed by, or sponsored by any certification body, exam provider, or trademark owner. Exam names and trademarks belong to their respective owners.
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Verdict
The clearest difference is price: Oracle Java SE 21 Developer at Free against パブロフくんと学ぶITパスポート's $3.99. Oracle Java SE 21 Developer also leads on update cadence (every 4 days vs every 18 months). パブロフくんと学ぶITパスポート's advantage is in-app purchases (none vs 1). On ads, 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
Oracle Java SE 21 Developer is free to download; パブロフくんと学ぶITパスポート costs $3.99 up front. Oracle Java SE 21 Developer sells 1 one-off in-app purchase. パブロフくんと学ぶITパスポート asks for nothing beyond the download.
パブロフくんと学ぶITパスポート ships an update every 18 months, Oracle Java SE 21 Developer every 4 days. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.
| Parameter | パブロフくんと学ぶITパスポート | Oracle Java SE 21 Developer |
|---|---|---|
| Price | $3.99 | Free — better |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 18 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 40 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Atsuko Yoseda | CHOI SEONGMIN |
In-app purchases
パブロフくんと学ぶITパスポート
No in-app purchases
Oracle Java SE 21 Developer
- Lifetime Access$4.99
Questions
Is パブロフくんと学ぶITパスポート free?
Is Oracle Java SE 21 Developer free?
Do パブロフくんと学ぶITパスポート or Oracle Java SE 21 Developer have ads?
Which is updated more often, パブロフくんと学ぶITパスポート or Oracle Java SE 21 Developer?
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