ぐるどく vs Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ぐるどく
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ぐるどくアプリは、グループで EPUB ファイルを読む際に便利なリーダーアプリです。気になる文章を長押しして選択し、リーダー下部のコメントボタンを押せば選択した文章に対してコメントすることが出来ます。これにより「自分とは立場の異なる人はどういう感想を抱くのか?」「読んでいてわからなかった部分の議論になる」などを始めとしたことが起こり、書籍に対する理解や見識を深めることができます。 活用方法はさまざまです。ソフトウェアエンジニアがよくおこなっている輪読会に利用することができます。チームビルディングの際の共通認識を作るために書籍を読み合わせるときにも活用できるでしょう。夫婦で子育てに関する書籍をぐるどくで読み、コメントしてそれぞれの考え方を理解する手助けになることもあるでしょう。ぜひご利用いただいて、皆様のご活用方法をお教えいただけると嬉しいです。
Book
This app supports multiple ebook formats and comics, allowing you to read them directly from your device without conversion. It includes features for tracking reading progress, taking notes, highlighting text, and translating passages. You can also listen to text-based books aloud and set daily reading goals to build a consistent habit.
- Supports 9 ebook and comic formats
- Reads books aloud with text-to-speech
- Built-in translation for passages
- Reading tracker with stats and goals
- Note-taking and highlighting
- Opens files from various sources
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Book opens the ebooks you already own and turns reading into a habit. One app for EPUB, MOBI, AZW3, FB2, PDF, TXT, DOCX, RTF and CBZ comics, with a reading tracker, text to speech and translation built in. OPENS WHAT OTHER READERS CAN'T • 9 formats: EPUB, FB2, PDF, TXT, MOBI, AZW3, RTF, DOCX and CBZ comics • Add books from the Files app, iCloud Drive, AirDrop, Mail, Safari or any app with Share • No conversion, no account, no upload. Books stay on your device and open offline READ YOUR WAY • Font, text size, spacing, light and dark themes • Your place is saved in every book • Hold any word to highlight it or leave a note LISTEN WHEN YOU CAN'T READ • Text to speech reads text-based books aloud, so the story goes on while you cook, commute or rest your eyes HIGHLIGHTS, NOTES & QUOTES • Save the best lines and keep notes for each book • Share quotes as cards ready for Instagram and Stories TRANSLATE ANY PASSAGE • Tap a word or a paragraph to translate it without leaving the page. Read in the original without a dictionary A READING TRACKER THAT MOTIVATES • Minutes, pages and sessions counted automatically while you read • Books finished this week, month and year, hours read, longest session • A forecast of how many books you will finish at your current pace • Weekly report and reading calendar BUILD A DAILY HABIT • Set a daily goal in minutes and keep your streak alive • A gentle reminder at the time you choose • Achievements and shareable recaps PAPER BOOKS COUNT TOO • Add a paper book, start the reading timer and log pages, no file needed WIDGETS & SIRI • Home Screen widgets: today's goal, achievements and continue reading • "Continue reading in Book" opens your page. Start or stop the reading timer with Siri and Shortcuts BOOK PRO Book is free to download. The free version holds up to 5 books. Book Pro removes the limit and unlocks read aloud, translation, extra fonts and themes, and full stats with monthly and yearly views, reading calendar and pace. Choose a monthly or yearly subscription or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period and are managed in your Apple Account settings. Terms of Use: https://appassistance.services/book/terms/ Privacy Policy: https://appassistance.services/book/privacy/ Finish the books you already have. Download Book and start reading today.
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Verdict
The clearest difference is iOS requirement: ぐるどく at 14.0 against Book's 17.0. On price, ads, in-app purchases and device support 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. ぐるどく sells 1 one-off in-app purchase and Book sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ぐるどく | Book |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 66 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | MAKASETE, Inc | Artem Dorozhkin |
In-app purchases
ぐるどく
- コメントの閲覧・投稿機能の利用$5.99
Book
- Book Pro Monthly3 Days trial$4.991 Month
- Book Pro Monthly$4.991 Month
- Book Pro Yearly$24.991 Year
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- Book Pro Annual1 Year trial$24.991 Year
- Book Pro Lifetime$34.99









