ExamNote vs ARURAKU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExamNote
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ExamNote ― 試験勉強を、もっとスマートに。 iPad 専用・Apple Pencil 対応 ◆ アプリ概要 ExamNote は、過去問などのPDF の読み込みから答案作成・自己採点・進捗分析までを 1 つにまとめた 試験学習プラットフォーム です。 手書きの自由度とデジタルの管理性を両立し、資格試験/大学入試/定期テストの“紙ベース学習”を iPad で快適に行えます。 ◆ 主な機能 PDF 簡単取り込みで試験作成 & 記述可能に 試験をカテゴリで綺麗に分類 過去問などの問題用紙と回答用紙 PDF を読み込み、2画面で直接書き込み 複数ページを高速切替。自動保存で安心 模範解答を重ねて比較。点数を入力すると履歴に自動記録し簡単に自己採点 ダッシュボード分析 各問題のコメントや点数は付箋として一覧管理。見返したい問題はチェックを入れて簡単に振り返られるように 学習時間・得点推移・弱点分野をチャート表示 ストップウォッチ機能 参考画像をペーストしてノートに即貼り付け ◆ プレミアムプランでできること - 試験ノート&カテゴリ作成無制限、 - PDF編集、最新機能もいち早く体験。
ARURAKU
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ARURAKU is an educational visualization app that helps you understand algorithms by watching them move, not by reading about them. Sorting, searching, and recursion come alive in animations that advance one step at a time. [ Algorithms ] Sorting (6) - Bubble sort / Selection sort / Insertion sort - Merge sort / Quick sort / Heap sort Race Mode runs two to four algorithms on the same array side by side, so the difference in complexity is obvious at a glance. Searching (4) - Breadth-first search (BFS) / Depth-first search (DFS) - Dijkstra's algorithm / A* Watch how each pathfinder spreads through a grid maze. Tap to edit walls, or generate a new maze. Recursion - Tower of Hanoi (3 to 8 discs) - Fractals: Koch curve, Sierpinski triangle, recursive tree (adjustable depth) [ Features ] - Colors and motion show what is happening: comparisons in orange, swaps in green - Speed control, pause, and step-by-step execution - Array patterns (random / nearly sorted / reversed / many duplicates) and element count - An explanation for every algorithm: how it works, complexity, strengths, weaknesses, and real-world use - No ads while an animation is playing - iPhone and iPad - Available in more than 70 languages (follows your device language) [ Who it's for ] - Students just starting to learn programming - Anyone preparing for IT certification exams - Engineers who want to sharpen their feel for complexity - Anyone who simply enjoys watching things move [ Pricing ] ARURAKU is free. There are no in-app purchases or subscriptions, and every feature is available from the start. To support development, the app shows ads, for example at the bottom of menu screens. Ads are never shown while an algorithm animation is playing. You can choose whether to allow ads based on your interests (personalized ads) at any time from "Ad settings" on the home screen. The first information-systems title of the Raku Series.
Screenshots
Verdict
The clearest difference is in-app purchases: ARURAKU at none against ExamNote's 2. ExamNote's advantage is 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
Both are free to download. ExamNote sells 2 in-app purchases, starting at $3.99 per month. ARURAKU asks for nothing beyond the download.
ExamNote ships an update every 5 days, ARURAKU every 8 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | ExamNote | ARURAKU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Every 8 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 73 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Ossoba.llc | Fuji Bit Inc. |
In-app purchases
ExamNote
- Premium1ヶ月プラン$3.991 Month
- 買い切りプラン$19.99
ARURAKU
No in-app purchases









