Comparison

Yomu EBook Reader vs Shiori Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Yomu EBook Reader

An independent ebook reader designed for distraction-free reading with customizable styles and layouts. Supports a wide range of formats and offers robust library management features. Cloud synchronization is available for pro users.

Highlights
  • Customizable reading styles and themes
  • Supports EPUB, MOBI, Kindle, CBZ, CBR, PDF
  • Dynamic text and margin adjustment
  • Library organization with folders and tags
  • Cloud synchronization for books and annotations (Pro)
  • Text highlighting and note-taking
  • Widgets for quick access to books and quotes
Features
Read full description

Yomu is an independent reader for book lovers. Yomu’s design is carefully crafted for ebooks and offers custom styles for better readability and distraction-free reading. Designed to let you focus on reading, Yomu has no unnecessary preferences. Just open a book and start reading. Yomu’s fluid layout dynamically adjusts all text properties and margins depending on your preferred styles and device, giving you an optimal reading experience. FORMATS Yomu supports standard ebooks without digital rights management. Supported formats: - EPub (.epub) - Mobi (.mobi, .prc) - Kindle (.azw, .azw3, .kf8) - Comics (.cbz, .cbr) - PDF (.pdf) Choose free books from publishers such as Standard Ebooks or Project Gutenberg. Download ebooks directly from your browser or copy files from other apps. Import files with iCloud Drive, iTunes File Sharing, or from Dropbox, Google Drive, OneDrive, OPDS and Calibre. READER The reader's design is carefully crafted for ebooks and offers custom styles for better readability. Choose your favorite theme font (Lato, Georgia, Lexend, OpenDyslexic, ...), reader mode (day, sepia, grey, black, ...), select a preset or custom font size, content layout (page, scroll) and many more options. All settings can be saved as your personal default for each book. Swipe or tap to go to the next page. You can also use the book's content outline or table of contents to navigate to another chapter. While reading EPub, Mobi and Kindle books, select text to take notes or highlight favorite sections. Create bookmarks or search inside ebooks to quickly find anything you are looking for. LIBRARY Organise your books in an easy to use library. Manage your library by creating folders or tags to organize your books. Sort your collection either by title, author, series, recently read or drag and drop for a custom order. You can edit a document's title, author, summary, cover or any other meta data. Save or export your books with all information and annotations in text, markdown or json format. CLOUD Yomu's Cloud Library (pro only) stores your books and annotations securely in Apple's iCloud. Keep all your ebooks safe and at hand on whatever device. Every time you change something on one device, it's synced to all your other devices. Always have the latest version, when you start reading on your iPad and continue on your iPhone on the go. Please note that you need to be signed in on your device with the same Apple ID on all platforms. WIDGETS See your recently read books or highlighted quotes. Yomu includes widgets to quickly view and open your books and quotes. Add a widget from the gallery and choose a list from the options. Tap on an entry to continue reading where you left off. YOMU PRO Yomu is free to use and includes all basic features. Every ebook format, theme or setting is available and lets you try out the unrestricted reader. However, the free version has some limitations and does not include certain features. Upgrade to Yomu Pro to get: - Cloud Library: Store and sync your library with Apple’s iCloud. - Unlimited Documents: No limit on the number of documents. - No Advertisement: Free version can display ads. Yomu is an independent app, your purchase supports the further development. When you buy an in-app purchase, you are doing so through Apple’s App Store and agree to their terms and conditions. Payments will be charged to the credit card of your Apple account. SERVICE Yomu is available for iPhone, iPad and Mac. In contrast to other apps, Yomu does not collect or sell any personal information. And it keeps your data private. Terms of Service: https://www.yomu-reader.com/terms/ Privacy Policy: https://www.yomu-reader.com/privacy/ Support: https://www.yomu-reader.com/support/

About

Shiori Reader

This EPUB reader is designed for Japanese language learners. It offers one-tap dictionary lookups, vocabulary saving, and Anki integration to help users expand their Japanese vocabulary and improve reading comprehension.

Highlights
  • One-tap dictionary lookup
  • Yomitan dictionary import
  • Seamless EPUB reading
  • Vocabulary list saving
  • Anki integration
  • Context-aware learning
  • Smart Japanese text support
Features
Read full description

Read Japanese books with ease - look up words with a tap and expand your vocabulary. Shiori Reader is the ultimate EPUB reader designed specifically for Japanese language learners. With a sleek interface and powerful learning tools, Shiori transforms your reading experience by making Japanese texts accessible and enjoyable. Key Features: • One-tap dictionary lookup - Simply tap any Japanese word to instantly see its meaning, reading, and pitch accent • Dictionary import - Import Yomitan-formatted dictionaries to help expand your Japanese vocabulary • Seamless EPUB reading - Enjoy a fluid reading experience with customizable themes and font settings • Vocabulary building - Save important words to your vocabulary list for later review • Anki integration - Export words directly to AnkiMobile for efficient spaced repetition study • Context-aware learning - See words in their original sentence context to enhance understanding • Smart Japanese support - Advanced support for kanji, furigana, pitch accent, and complex Japanese text • Customizable reading experience - Choose between scroll and page modes, adjust font size and theme colors Perfect for Japanese learners at any level, Shiori Reader bridges the gap between reading authentic Japanese content and building vocabulary. Import your own EPUB files and start improving your Japanese reading skills today.

Screenshots

Yomu EBook Reader4 screens
Shiori Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Shiori Reader at none against Yomu EBook Reader's 2. Shiori Reader also leads on update cadence (weekly vs monthly) and review sentiment (100% vs 80%). Yomu EBook Reader's advantage is ratings volume (1.6K vs 14). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Yomu EBook Reader sells 2 one-off in-app purchases. Shiori Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Yomu EBook Reader against 4.7 for Shiori Reader. That said, the two scores are not equally well evidenced: Yomu EBook Reader has 1.6K ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 80% of Yomu EBook Reader's written reviews are positive against 100% of Shiori Reader's.

UpkeepUpdate frequency

Yomu EBook Reader ships an update monthly, Shiori Reader weekly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Yomu EBook Reader versus Shiori Reader: the parameters behind the verdict, then further details
ParameterYomu EBook ReaderShiori Reader
PriceFreeFree
Rating4.8 (1.6K ratings) — better4.7 (14 ratings)
Positive reviews80.2% of reviews100.0% of reviews — better
Number of ratings1.6K — better14
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size60 MB310 MB
Age rating4+4+
DeveloperBeat RaessClint Russell Graviet Jr

Customer experience

Yomu EBook Reader

All ratings1,609 ratings
Positive95.4%
Neutral1.9%
Negative2.7%
Written reviews751 reviews
Positive80.2%
Neutral6.8%
Negative13.0%

Shiori Reader

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Yomu EBook Reader

Reported bugs

4 issues
  • Occasional crashes or freezes
  • Inconsistent behavior when swiping to turn pages
  • Syncing issues between devices
  • Formatting problems with certain ebook files

Requested features

6 requests
  • Add support for text-to-speech
  • Improve PDF handling with annotation and text selection
  • Implement nested folder structure for better organization
  • Expand font and theme customization options
  • Introduce a continuous scrolling mode
Show 1 more
  • Add a more prominent 'return to last read position' feature

Shiori Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Yomu EBook Reader

One-time2
  • Yomu Pro$7.99
  • Yomu Pro (Karma)$12.99
None

Shiori Reader

No in-app purchases

Questions

Is Yomu EBook Reader free?
Yomu EBook Reader is free to download, with in-app purchases available.
Is Shiori Reader free?
Shiori Reader is free to download, with no in-app purchases.
Which has better reviews, Yomu EBook Reader or Shiori Reader?
Yomu EBook Reader is rated higher. Yomu EBook Reader averages 4.8 out of 5 from 1.6K ratings, while Shiori Reader averages 4.7 from 14 ratings.
Do Yomu EBook Reader or Shiori Reader have ads?
Neither Yomu EBook Reader nor Shiori Reader shows ads.
Which is updated more often, Yomu EBook Reader or Shiori Reader?
Yomu EBook Reader ships an update monthly, and Shiori Reader weekly. Most recently, Yomu EBook Reader was updated on October 16, 2026 and Shiori Reader on October 2, 2026.

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