Clerk vs YomuMark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clerk
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Clerk(クラーク)は2022年8月リリースしたばかりの、本をオススメし合う、読書コミュニティアプリです。 あなたの人生を変えた一冊、価値観を変えた一冊。そんな本をみんなに教えてあげましょう! あなたの紹介文で誰かの人生が変わるかもしれません。 【紹介文を中心とした新しいUI】 本の書影・作者を伏せた、ユーザーの「紹介文」から本を探すインターフェースです。先入観なく、純粋な本のレビューから本に出会いたいという想いからできたアプリです。 【感受性のランキング機能を搭載!】 Clerkのランキングは、読んだ本の冊数では決まりません。 あなたがオススメした本が、どれだけみんなの興味をひいたかで決まります。 たった1冊でも、紹介文次第で、伝説の書店員になれるかもしれません。あなたの感受性が認められる、新しいタイプの読書コミュニティです。 【リリースキャンペーン中!】 いまだけ、オススメできる本の冊数を「3→50冊」に大幅増量中! 2022年8月にリリースしたばかりなので、ランキング上位を狙うチャンスです! 【こんな人におすすめ】 ・直木賞や芥川賞、本屋大賞など話題の本ばかり注目されるが、本当はもっといい本があると知っている ・新刊よりも過去の傑作本をよく読む ・読書メーター、ブクログ、Readee、蔵書マネージャーを使っていたが、周囲の読書量に圧倒されてしまった ・本当に好きな本は数冊だけ。1冊の本をもっと深く語りたい ・本屋の書店員になりたいと思ったことがある ・自分だけの本屋大賞リストを持っている 【主な機能】 ・紹介文からオススメ本を探せる ・あなたのとっておきの本をオススメできる ・読書仲間を探せる ・書籍データベースから、キーワードで書籍を登録 ・ISBNバーコードから本を登録 ・読書ログ機能 ・読書シェア機能 ・読書管理 ・ユーザーランキング ・期間ランキング
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: Clerk at none against YomuMark's 1. Clerk also leads on iOS requirement (11.0 vs 15.5). YomuMark's advantage is device support. On price 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. Clerk asks for nothing beyond the download.
| Parameter | Clerk | YomuMark |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 days |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 11.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 75 MB | 81 MB |
| Age rating | 17+ | 4+ |
| Developer | Tomofumi Ueba | Tsuyoshi Ninomiya |
In-app purchases
Clerk
No in-app purchases
YomuMark
- YomuMark Pro$9.99









