Cocoas vs YomuMark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cocoas
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Cocoasは、読書のひとときを邪魔せず、 心に残った気づきやセリフをそっとメモできる本管理アプリです。 落ち着いたデザインと手書き風の表現で、 まるでリングノートに書きとめるように自然に記録できます。 あとから見返したくなる、あなたらしい読書メモが残せます。 【Cocoasの3つの魅力】 1. 読書を妨げない、手書き風の気軽なメモ ・思いついた瞬間にすぐ書ける ・名言やセリフもさっと記録 ・ノートのような温かいデザインで、書くのが心地よい 2. AIがあとからやさしく整理 ・散らばったメモを自動でまとめて要約 ・ポイントを見逃さず、学びを深める ・読書の記録が一つのストーリーに 3. あなたの読書がつながる体験に ・本棚を「積読・読書中・読了・お気に入り」でわかりやすく整理 ・ナレッジグラフで、メモ同士のつながりを発見 ・表紙画像も自動取得。本探しもスムーズ 【こんな方におすすめ】 ・本を読みながら、気づきをメモしたい ・読書体験を、あとからじっくり振り返りたい ・静かに、でもしっかりと読書を楽しみたい ・自分だけの本棚を丁寧に育てたい Cocoasが届けたいのは、 「忙しい日常の中で、ほっと一息つける読書時間」。 あなたの読書のそばに、やさしく寄り添うアプリです。
YomuMark
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Snap a page. Save what matters. YomuMark is a reading notes app that lets you save pages from print books and eBooks, then organize them with highlights, underlines, handwriting, notes, and tags. Use OCR to capture text from saved pages and keep the passages, ideas, and insights you want to remember—all organized by book. It’s also perfect for anyone who doesn’t want to write directly in a physical book. Keep your books clean while moving your highlights and notes into a digital space. With tags and search, you can quickly find what you saved later and turn your reading into a personal collection of notes and knowledge. 【What You Can Do with YomuMark】 ■ Organize Your Books Keep the books you’re reading and the ones you want to revisit together on your in-app bookshelf. ■ Save Pages That Matter Capture and save important pages, then organize them by book for easy access later. ■ Capture Text with OCR Use OCR to recognize text from saved pages and select the passages you want to keep. ■ Add Highlights and Underlines Mark important sentences and memorable passages just like you would in a physical book. ■ Write and Draw on Pages Add freehand notes with pens and markers. Use circles, rectangles, arrows, and more to visually mark important areas. Eraser, Undo, and Redo are also supported. ■ Save Your Thoughts and Notes Keep your own thoughts, interpretations, and ideas together with the passages that inspired them. ■ Organize with Tags Add tags by topic or purpose so your reading notes are easier to organize and revisit. ■ Search Books, Pages, and Notes Search across saved books, pages, OCR text, highlights, notes, and more to quickly find what you’re looking for. ■ Keep Pages Organized Sort pages by page number or date added, and switch between different views to organize them the way you prefer. 【YomuMark Is Perfect For You If You…】 ・Don’t want to highlight or write directly in your books ・Want to keep physical books clean ・Want to save passages that catch your attention ・Want to manage reading notes on your phone ・Want to save and search book content with OCR ・Want to organize highlights, underlines, and notes by book ・Want to keep important points from books used for study or work ・Want to turn reading insights into your own knowledge collection 【Don’t Just Read It. Keep What You Learn.】 “I want to read this sentence again later.” “I want to remember this idea.” “I want to save what I just realized while reading.” YomuMark helps you capture those small moments of insight as they happen. Save the pages that matter, then add highlights, underlines, handwriting, and notes. When you want to revisit them, find everything again through your bookshelf, tags, and search. YomuMark isn’t just about saving pages. It helps you turn what you read into knowledge you can keep and use. Snap a page. Save your thoughts. With YomuMark, make every book worth coming back to.
Screenshots
Verdict
The clearest difference is in-app purchases: Cocoas at none against YomuMark's 1. Cocoas also leads on ads (none vs shown). YomuMark's advantage is update cadence (every 4 days vs every 3 weeks). On price, 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. YomuMark sells 1 one-off in-app purchase. Cocoas asks for nothing beyond the download.
Cocoas ships an update every 3 weeks, YomuMark every 4 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.
| Parameter | Cocoas | YomuMark |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 38 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | KOJI ASAMIZU | Tsuyoshi Ninomiya |
In-app purchases
Cocoas
No in-app purchases
YomuMark
- YomuMark Pro$9.99








