Release Notes

Yomu EBook Reader

Release notes.

Version 3.7.0

– Image Preview
New image preview that supports to zoom in and save images.

– Annotation Tabs
Filter book annotations to show either all or only notes, highlights and bookmarks.

– Document Editor
Optimized editor to easier change book metadata with cover picker to select images from Photos or iCloud Drive.

– Modal Controllers
Information, annotation or image screens are now standard modal controllers that can also be dismissed with gestures.

– iCloud Bugfix
Fixes an issue where iCloud sync might not work anymore on older operating system versions.

– Encoding Issues
Workaround for an issue where certain characters are not displayed correctly for some ebook formats.

– Google Drive Removed
Direct integration with Google Drive has been removed because Google changed their requirements. You still can access your books on Google Drive via their Apple Files app extension.


Version 3.6.2

– Reader Menu
Reader menu “Look Up” and “Translate” are no longer available because of an issue with an upcoming os version. They have been replaced with a “Define” action to show dictionaries and a new “Open …” option to lookup selected text on Wikipedia, translate it with Google Translate and DeepL or to query any other service.

Please note that “Define” is not available on macOS because this feature is somehow not supported on that platform.


Version 3.6.1

– Maintenance
Bug fixes and optimizations.

– Black Dark Mode
Additional black dark mode for pdf documents (inverted colors) and comic books (monochrome).


Version 3.6.0

– Dusk Theme
New dusk reader theme for text based formats (epub, mobi, kindle) with dark mode option.

– Reader Styles
Choose between the optimized reader design or original publisher book layout and styles (with limited customization).

– Style Options
Additional style options to disable image alignment, retina display scale or to remove the original publisher styles.

– Reader Spacing
Text alignment now allows to choose the alignment (left, justify) independent of paragraph spacing (margin or indent).

– Original Font
Preference option to select the original book font. But when not available, the default system font will be used.

– State Export
Current progress and reading status is included in json export and also available for Apple Shortcuts actions.

– Search Position
Search shows the last selected result when reopened with the same query.

– Publisher Formats
Support for additional publisher book formats.


Version 3.5.2

– macOS Sonoma Compatibility
Optimized for the new operating system.

– Maintenance
Bug fixes and optimizations.


Version 3.5.1

– Maintenance
Bug fixes and optimizations.


Version 3.5.0

– iOS 17 Compatibility
Optimized for the new operating system.

– StandBy Widgets (iPhone)
Support for the new iPhone StandBy mode widgets. Tip: Use the random quote widget to start your day with one of your book highlights.

– Lock Screen Widgets (iPad)
Widgets are now also available on the iPad lock screen. You can choose between the included book or annotation widgets in different sizes.


Version 3.4.0

– Reader Themes
New grey reader theme for text based formats (epub, mobi, kindle) in addition to day, sepia, night and black.


Version 3.3.0

– Backlink
When you open a footnote or annotation, you can now return to your previous reading position with a backlink in the bottom toolbar.

– Library Filter
Filter your library by tags (all, any, not tagged) or list books by their reading status (currently reading, not yet read, already read).


Version 3.2.2

– Bugfix
Workaround for an issue where the app won’t launch anymore on iOS 13.


Version 3.2.1

– Bugfix
Resolves an issue on iPadOS 16.4 for some device layouts.


Version 3.2.0

– Reading State
Mark books in your library as read/unread or reset reading state. Tap on the context button (3 dots) or long press to change it.


Version 3.1.4

– Maintenance
Bug fixes and optimizations.


Version 3.1.3

– Maintenance
Bug fixes and optimizations.


Version 3.1.2

– Maintenance
Bug fixes and optimizations.


Version 3.1.1

– Maintenance
Bug fixes and optimizations.


Version 3.1.0

– iOS 16 Compatibility
Optimized for the new operating system.

– Lock Screen Widgets
Additional lock screen widgets to see your recently read or latest books.

– App Shortcuts
New shortcuts to list documents or annotations and export them in text, markdown or json format.


Version 3.0.0

Yomu version 3 is here: a new reader with many more preferences and options for epub, mobi and kindle formats. Depending on your device and chosen styles, the fluid layout dynamically adjusts all properties for an optimal reading experience. Just open a book and start reading.

Choose presets for preferences like font size, line height or margins or try out the new true black mode and content layout options. Not enough? You can now also customize many preferences to your individual needs and save these settings as your personal default for any book.

And last but not least: Yomu v3 is a free update for all who previously purchased the app. Enjoy!

– Font Size
Select a preset or custom font size to adjust to your needs.

– Line Height
New line spacing option to fine-tune your reading experience.

– Reader Themes
Choose between new theme fonts or select any preinstalled system font.

– Black Mode
Additional true black mode to complement existing day, sepia and night.

– Page Margins
Adjust or customize page margins and vertical spacing for full screen layout.

– Content Layout
Multi column page layout and resize limit to max width options.

– Reading Direction
New preference for standard or reverse right-to-left and vertical reading direction.

– Preference Defaults
Save your customized preference options as your default and apply it to any or all your books.


Version 2.20.1

– Maintenance
Bug fixes and optimizations.


Version 2.20.0

– Annotation Menu
Context menu to copy, share or link annotations.

– JSON Format
Additional json format for book metadata export.

– Data Export
Setting option to export all book metadata including annotations.


Version 2.19.1

– Maintenance
Bug fixes and optimizations.


Version 2.19.0

– Table of Contents
Contents outline for PDF books (where available).

– Reading Direction
New preference for standard (left to right) or inversed (right to left) direction for Comic and PDF formats.

– Page Layout Options
Additional layout options for PDF and Comic books to choose between single/double page or two pages with cover.


Version 2.18.2

– Maintenance
Bug fixes and optimizations.


Version 2.18.1

– Maintenance
Bug fixes and optimizations.


Version 2.18.0

– iOS 15 Compatibility
Optimized for the new operating system.

– Quick Note (iPad)
Integration with Apple Quick Note to add links to chapters, pages, bookmarks or annotations.


Version 2.17.1

– Maintenance
Bug fixes and optimizations.


Version 2.17.0

– Storage Filter
Filter directory entries when importing books.

– OPDS Authentication
Support for basic and digest authentication with user and password.


Version 2.16.0

– Annotation Styles
New annotation styles (highlight, underline, dashed, dotted, double, wavy) and colors (yellow, red, green, blue, purple, orange).

– Annotation Widget
Additional widget to show your latest or random quotes.


Version 2.15.0

– Widgets
New widgets to list your recently read or latest books.


Version 2.14.0

– Reader Controls
Tap the top or center to show/hide navigation and toolbar controls.

– Auto Hide Controls
Setting option to automatically hide all reader controls when reading.

– Reader Auto Scroll
Long press on the bottom arrows to scroll to the next or previous pages.

– Keyboard Shortcuts
Additional space shortcut to go to the next page.


Version 2.13.2

– Library Search (Mac)
Search books by title, author or abstract.

– OPDS Integration (Mac)
Access Open Publication Distribution System catalogs or Calibre.

– Maintenance
Bug fixes and optimizations.


Version 2.13.1

– Reader Night Mode
Preference for automatic or disabled reader night mode.

– Annotation Export
Chapter headings for exported notes and highlights.

– Maintenance
Bug fixes and optimizations.


Version 2.13.0

– Library Layout
Additional options to view your library in grid, list or cover layout.

– Context Options
Context menu now also includes options to save, export or share a book.


Version 2.12.1

– Maintenance
Bug fixes and optimizations.


Version 2.12.0

– Big Sur Compatibility
Support for the new operating system.


Version 2.11.3

– Maintenance
Bug fixes and optimizations.


Version 2.11.2

– Maintenance
Bug fixes and optimizations.


Version 2.11.1

– iOS 14 Compatibility
Optimized for the new operating system.

– Sidebar Collections
In addition to folders and tags, collections let you view all books and by author or format.

– Font Sizes
New extra large font size.


Version 2.11.0

– iOS 14 Compatibility
Optimized for the new operating system.

– Sidebar Navigation
New sidebar layout and tag navigation.

– Scribble Support (iPad)
Use your Apple Pencil to write annotations by hand.


Version 2.10.1

– Reading Progress
Library shows the current reading progress of your books. Please note that the progress indicator is only available after you have opened a book.


Version 2.10.0

– Sort Options
Additional options to sort your library by recently read or imported books.


Version 2.9.0

– Batch Import
Download and import multiple books at once from iCloud, Dropbox, Google Drive or any other storage provider.


Version 2.8.1

– Universal Purchase
Enjoy Yomu Pro on your iPhone, iPad and Mac with one single purchase for all platforms. In case you previously downloaded Yomu for Mac, it is recommended to install the new compatible app.

– Context Menu
Use the context menu to access actions such as read, information, edit, tag, folder or delete for an individual ebook. Long press or right-click an item in your library to show the menu.

– Reader Modes
With system dark mode, reader modes day and sepia automatically adjust to night mode. When app light/dark mode is enabled, you can now manually choose day, sepia or night mode.

– OPDS Enhancements
Support for paginated Open Publication Distribution System (OPDS) feeds and multiple formats.

– Parser Bugfix
Fixes an issue with uppercase file extensions when importing books in cbr or cbz format.


Version 2.8.0

– Mouse and Trackpad Support
Yomu now also supports external mouse or trackpads to navigate and perform common actions. To use this feature, you need an iPad with iPadOS 13.4.

– Additional Keyboard Shortcuts
In addition to navigation and annotations, more shortcuts for actions like copy, define or search have been included. Hold down the command key on your iPad to see all.

– Context Actions
Shortcuts for common tasks like notes, highlights or copy are also available as context actions. Select some text and right click to show the corresponding context menu.

– Text Selection
Handling of selected text has been improved and should work more reliable.


Version 2.7.0

– Bookmarks
Bookmark a page for easy access or future reference. Find where you left off reading or quickly jump to an important passage.


Version 2.6.6

– iCloud Optimizations
Improved performance for large libraries.


Version 2.6.5

– Footnote Bugfix
Fixes an issue where footnotes would not work correctly.

– Navigation Bugfix
Fixes an issue where navigation could fail to load a chapter.


Version 2.6.4

– Maintenance
Bug fixes and performance improvements.


Version 2.6.3

– iCloud Drive Export
Save original ebook files or export annotations in text/markdown format directly to iCloud Drive.

– Optimized for iOS 13.3
Support for the new operating system and devices.


Version 2.6.2

– Maintenance
Bug fixes and performance improvements.


Version 2.6.1

– Keyboard Shortcuts
Use the arrow keys to go to the next/previous page or chapter.


Version 2.6.0

– Yomu for Mac
Yomu is now also available as a refined and optimized native Mac app.

With Yomu Pro, all books, annotations, folders and tags stored in your cloud library are automatically synced between Mac, iPhone and iPad.


Version 2.5.0

– Tags
Organize your library with custom tags.

– Cloud
Yomu now stores all your books, annotations, folders and tags in iCloud.

Your library needs to be migrated for these new features. It is recommended to update all your devices to the latest app version first.


Version 2.4.2

– Maintenance
Various optimizations and bugfixes.


Version 2.4.1

– Optimized for iOS 13.1
Support for the new operating system and devices.

– iPadOS Support
Optimized and redesigned for the new iPadOS operating system.

– Multiple Windows (iOS 13)
You can now open multiple instances of the app in separate windows on iPad.


Version 2.4.0

– Optimized for iOS 13
Support for the new operating system and devices.

– System Dark Mode
The new system dark mode is easy on your eyes and helps you focus.

– State Restoration (iOS 13)
Continue reading where you last left off.


Version 2.3.0

– Translations
Yomu is now available in Spanish and Italian as well.


Version 2.2.0

– Siri
Siri now knows your current reading list. Simply ask: “Hey Siri, show my reading list in Yomu”.

– Shortcuts
Each time you access an ebook, it is also donated as a Siri Shortcut. Siri learns your routines and can show suggestions.


Version 2.1.1

– Multiline Annotations
Fixes an issue with annotation note paragraphs.


Version 2.1.0

– Today Widget
Yomu now offers a Today widget to view and access your recent books or see your library statistics. Swipe right over the Home or Lock screen to add the new widget. Tap on an entry to continue reading where you last left off.

– Quick Actions
The library statistics and recently accessed books are also available as Home screen quick actions on devices that support 3D Touch. Like with the widget, tap on an entry loads the selected ebook at its last position.

– Spotlight Search
Your library is now also indexed in Spotlight. Search helps you quickly find and open any of your previously imported ebooks.

– Orientation Lock
Setting option to lock the screen orientation (iPhone only).


Version 2.0.1

– Font Size XXL
Super extra large font size option.

– Maintenance
Various optimizations and improvements.


Version 2.0.0

Yomu version 2 has been rebuilt from the ground up. Enjoy!

Some of the new and improved features include:

– Dark Mode
Are you reading during the night? The new app-wide dark mode is easy on your eyes and helps you focus.

– Library Layout
Yomu now uses large titles, search in the navigation bar and a sidebar navigation.

– Batch Editing
Library edit mode lets you select multiple documents to move to another folder or delete.

– Storage Import
Access iCloud, Documents, Dropbox, Google Drive or OneDrive directly from the new bottom sheet.

– Document Export
Export document metadata and annotations in text or markdown format.

– iPad Pro Support
Support and optimized layout for the latest 3rd generation devices.

PS: Already purchased version 1? Don’t worry, this is a free update.


Version 1.9.0

– Comic Books
Read ebooks in comic book format (.cbz, .cbr).

– iOS 12 Compatibility
Support for the new operating system and devices.


Version 1.8.7

– EPub3 Support
Improved support for epub3 formats.


Version 1.8.6

– OPDS Bugfix
Fixes an issue with Open Publication Distribution System (OPDS) imports.


Version 1.8.5

– Editing Bugfix
Fixes an issue when editing a library document.

– Transition Bugfix
Fixes a layout issue when transitioning to a book.


Version 1.8.4

– Maintenance
Various optimizations and improvements.

– iCloud Bugfix
Fixes an issue with importing books from iCloud.


Version 1.8.3

– Search
Finally. Full text search inside EPub, Mobi and Kindle books.


Version 1.8.2

– Sepia Theme
In addition to day/night, a new sepia reader theme is now available.

– Recent Documents
Force touch on the app’s home icon shows your recent documents. Tap to directly open a book and continue reading.

– Storage Import Fix
Fixes an issue with importing documents from the built-in iCloud Drive controller.

– Dropbox Export Fix
Fixes an issue where uploading an export to Dropbox could lead to a crash.


Version 1.8.1

– Drag and Drop Import (iOS 11 iPad)
Import epub and pdf documents with drag and drop from your iCloud Drive using Apple’s Files App.


Version 1.8.0

– Library Search
Search ebooks by title, author or abstract.


Version 1.7.6

– Reader Interaction
Tap detection for reader annotations, links and images has been improved.

– Chapter Navigation
Chapter navigation (at the bottom) now uses long press instead of a tap to avoid accidental activation.

– Home Indicator
The home indicator on iPhone X auto hides in reader mode.

– Library Optimizations
Library memory usage has been optimized for a faster app launch.

– Custom Sort Bugfix
Fixes an issue where custom sort dragging would not work correctly.


Version 1.7.5

– Photo Library Permission
Adds a required permission to access your photo library for exporting images.


Version 1.7.4

– iOS 11 Compatibility
Adds support for the new operating system.

– iPhone X Compatibility
Support for the upcoming iPhone X device.

– Memory Optimizations
Memory usage has been significantly reduced.

– Reader Layout
Layout for ebooks is optimized for larger screens.

– Reader Actions
Relevant reader actions like preferences are now directly accessible.

– Library Actions
All actions for managing and exporting documents have been directly integrated.


Version 1.7.2

– Cloud Library Cleanup
Old sync data is now periodically cleaned to free up disc space.

– Bugfix
Fixes an issue where ebooks would not load correctly.


Version 1.7.1

– Automatic Encoding
Books with missing or invalid character encoding are now automatically converted to utf8.

– Catalog Bugfix
Fixes a layout glitch of the catalog dropdown.

– Optimizations
Various smaller optimizations.


Version 1.7.0

– Reader Core
Yomu’s core reader engine has been rewritten from scratch. While using all advantages of Apple’s latest technology, this update ensures the ongoing support and availability of the app for the upcoming years.

– Continuous Reading
Content is preloaded in the background, just keep on reading without loading chapters.

– Context Menu
In addition to highlight and notes, the context menu now also allows to copy, define or share selected text.

– EPub3 Formats
More epub3 media formats like video, svg or images in spine are supported.

– State Sync
Document state synchronisation for chapters and pages has been improved. Please note that this release no longer syncs state with older versions of the app due to incompatibilities. Documents and notes are still exchanged though.

– Google Drive v2
Google Drive is updated to the latest version to avoid issues with authentication and downloading files. Depending on when you connected your account, you will need to sign in again.

– Local OPDS Server
An issue with ports of local opds servers like Calibre is fixed.

– Squashed Some Bugs
Various minor bugfixes.


Version 1.6.6

– OneDrive Authentication Bugfix
Fixes an issue with OneDrive where a previously linked account no longer was authenticated.

– Maintenance
Various improvements and fixes.


Version 1.6.5

– Microsoft OneDrive Support
Books can now be imported directly from Microsoft OneDrive.

– Dropbox Auth Bugfix
Fixes an issue with Dropbox authentication.


Version 1.6.4

– Bitcode Support
Yomu now supports Bitcode for an optimized application installation with minimal footprint.

– Dropbox Update
Dropbox has been updated to the latest version. Please note that you might need to sign in again.

– Cloud Bugfix
Fixes an issue where iCloud synchronisation would not work because of too many records.


Version 1.6.3

– EPub3 Support
Improved support for ebooks in EPub3 format.

– iOS10 Compatibility
Compatibility and optimisations for iOS10.


Version 1.6.2

– Keep Screen On
The screen is no longer dimmed or turned off while reading.

– Adjust Brightness
Adjust the display’s brightness level directly from the reading preferences.

– Storage Import
Fixes an issue with iCloud capabilities when importing from storage.

– Cloud Library
Various improvements.


Version 1.6.1

– Bugfix
Fixes a critical bug when enabling the cloud library.


Version 1.6.0

– Cloud Sync
Yomu Cloud (Yomu Pro only) keeps your books and annotations stored securely in Apple’s iCloud. Every time you change something on one device, it’s synced to all your other devices. Always have the latest versions of your books, when you start reading on your iPad and continue on your iPhone on the go.


Version 1.5.1

– Kindle Support
Read ebooks in Kindle format (.azw, .azw3, .kf8). Please note that Yomu only supports documents without copy protection.


Version 1.5.0

– Mobi Support
Yomu now also supports ebooks in Mobipocket (.mobi, .prc) format.


Version 1.4.6

– iPad Multitasking Support
Read your ebooks and pdfs alongside any other app.

– New Reader Themes
Yomu now uses Lato by Łukasz Dziedzic, Lora by Olga Karpushina, Alegreya by Juan Pablo del Peral, Vollkorn by Friedrich Althausen, Open Sans and Droid Serif by Steve Matteson, Merriweather by Eben Sorkin, Iowan by John Downer and Palatino by Hermann Zapf.

– iOS9 Annotation Bugfix
Fixes a bug where annotations sometimes would not work correctly.


Version 1.4.5

– Open Publication Distribution System (OPDS)
Import ebooks from OPDS based catalogs or programs like Calibre.


Version 1.4.4

– Improved & simplified user interface
Taking advantage of Apple’s latest technology, Yomu now supports all devices and screen sizes.

– EBook Formats
Support for more epub formats.

– Storage Import
Improved import from 3rd party storage providers (Dropbox, Google Drive).

– iOS9 Support
Adds support for the upcoming iOS9 release.


Version 1.4.3

– Bugfix
Fixes a (rare) crash during ebook import.


Version 1.4.2

– Preferences
Most recent preference is applied to newly imported books.

– Backup
Settings option to enable backups.


Version 1.4.1

– Stability
Improved PDF support and bugfixes.


Version 1.4.0

– PDF Reader
Yomu now also supports ebooks in pdf format.


Version 1.3.1

– Chapter Indicator
Improved rendering of the chapter indicators.

– Extended Styles
Support for preformatted text like code snippets.

– Maintenance
Various optimizations and bugfixes.


Version 1.3.0

– iOS8 Document Picker
Yomu supports now third-party document provider extensions like Dropbox to import and export ebooks. Please note that you may need to manually activate such providers before using them.

– Optimized Fluid Layout
Yomu’s fluid layout to dynamically adjust all text properties and margins depending on your choosen size (small, medium, large, extra large) has been optimized, giving you an even better reading experience.

– Library Management
A small arrow makes it more clear that you can tap the library title to sort your ebooks by either title, author, custom drag and drop and recently read/imported. As a reminder, you can also manage your library by creating custom folders to organize your ebooks.

– Maintenance
Various bugfixes and optimizations.


Version 1.2.8

– UI Enhancements
Various smaller usability and ui enhancements.

– iPhone 6 and iPhone 6+ Support
Support for the new screen sizes and resolution.


Version 1.2.7

– iOS8 Compatibility
Compatibility and optimisations for iOS8.


Version 1.2.6

– Fluid Layout
EBook layout is dynamically adjusted depending on your chosen size (small, medium, large, extra large), giving you an even better reading experience.

– Smart Preferences
Yomu now remembers your favorite reading preferences and applies them to newly imported ebooks.

– Paging
Long press on the bottom left/right arrows let’s you quickly flip through the pages of a chapter.

– Page Indicator
The current and total number of pages of a chapter is displayed.

– iOS8 Ready
This version already contains a number of fixes to be prepared for the upcoming iOS8 release. An update with full iOS8 compatibility will follow later.


Version 1.2.5

– Reader Themes
Yomu’s themes have been optimized for an even better readability on iPhone and iPad.

– Font Size XL
In addition to small, medium and large, you can now also choose an extra large font size for reading.


Version 1.2.4

– Yomu Pro Themes
Two more themes are available for Yomu Pro. Roboto uses a modern sans-serif typeface by Christian Robertson, made specifically for high density displays. Theme Vollkorn includes a modest and well working text face by Friedrich Althausen, with chunky serifs for good readability even at small sizes.

– Preferences Optimised
Switching between paging and reading mode is now even easier with just one tap.

– Library Editing Optimised
Long press on an ebook in your library shows all editing options (edit, move, delete, sort) consistently.


Version 1.2.3

– Yomu Selection
Yomu now offers 50 classic and contemporary ebooks in its selection. All books are available directly from within the app or you can visit www.yomu-reader.com/ebooks/ to download them for free.

– iOS 7.1 Compatibility
Support and enhancements for the latest iOS version.

– Bugfixes
Squashed some minor bugs.


Version 1.2.2

– Maintenance
Various optimizations.


Version 1.2.1

– Scrolling
Read your books now with scrolling like on a website.

– Chapter Navigation
Access the next or previous chapter by tapping on the bottom right/left corner.


Version 1.2.0

– Yomu Themes
Yomu now offers four different reading themes. Theme Lato with a sans-serif typeface by designer Łukasz Dziedzic, Lora uses a well-balanced contemporary serif with roots in calligraphy by Olga Karpushina, Avenir with Adrian Frutiger’s geometric typeface and Cardo by David Perry is a large unicode font specifically designed for the needs of classicists. Enjoy!


Version 1.1.1

– Google Drive Support
In addition to Dropbox, EBooks can now also be imported directly from Google Drive.

– Bugfixes
Various bugfixes and optimizations.


Version 1.1.0

– iOS7 Compatibility
Redesign and support for iOS7.


Version 1.0.3

– Yomu EBook Selection
Need some reading for your vacation? Yomu now offers a curated selection of free EBooks.

Have a good summer!

– Performance and Stability
Various improvements.


 Version 1.0.2

– Sharing
Share your highlights on Twitter, Facebook or Sina Weibo.

– Dropbox Export
Save EBooks and annotations to Dropbox.

– French Translations
Added translations.


Version 1.0.1

– Night-Reading Mode
Read with Yomu now also during the night.

– German Translations
Added translations.

– Optimized Animations
Much smoother transitions between library and reader.

– EPub Validation
EPub documents get validated during import.

Please note that EBooks must conform to official EPub standards. Otherwise, they can not be read or e.g. meta information like the Table of Contents can not be generated correctly.


Version 1.0.0

– Folders
Organize your EBooks in folders.

– Design
Enhanced look and feel. Back in black.


Version 0.9.1

– Image Preview
View images directly from within an EBook.

– Bugfixes
Various bug fixes and stability improvements.


Version 0.9.0

– Improved Import
Support for even more EBooks.

– Custom Sorting
Organize your library as you like.


Version 0.8.0

Yomu initial release.