True Epub
EPUB Document Reader
Free · Designed for iPad. Not verified for macOS.
True Epub is an EPUB reader built to help you open and read EPUB documents faster and more comfortably.
Import EPUBs directly from the Files app using the in-app Open button, or add them via the Share menu.
Adjust the font size for supplementary/reference content, create highlights and notes to capture what matters, and quickly revisit key parts later.
more 1. Real-time previous and next chapter navigation has been added.
2. Automatic sync has been added.
3. Other bugs have been fixed.
2.8 Sep 15
1. Pin and delete options have been added to quick book switching.
2. You can now customize all Light Mode and Dark Mode colors for underline and marker modes.
3. Fixed minor issues related to Dark Mode.
4. Other minor improvements.
2.7 Aug 6
1. A sorting option for quick book switching has been added. In Settings, you can turn on sorting by reading order.
2. Left and right chapter navigation buttons have been added. You can enable them in Settings, and they are especially convenient when using the app on Mac.
3. Fixed an issue where some body text was hard to read in Dark Mode.
4. Other minor improvements.
2.5 Jul 2
1. In Settings, you can choose whether to show pinyin for Chinese documents that include pinyin.
2. A favorites feature has been added to the library.
2.4 Jun 12
New feature: In-document date tracking and automatic opening
If a specific EPUB document contains chapters organized by date, the app can now track the date automatically each day and open the chapter that matches the current date when you read that document. To use this feature, first open the document, then tap the table of contents in the top menu bar and turn on the “Auto Date Tracking in Document” toggle.
Other bug fixes
2.3 May 14
English
Update Details
* Added full-screen mode
* Added an option in Settings to choose the highlight text selection method
* Added Low Performance Mode in Settings
* Fixed backup-related errors
* Improved the design of the highlight magnifier
* Improved the quick book switch button so its order can be changed
* Improved highlighting with Apple Pencil on iPad to make it faster and more convenient
* Improved delay issues when entering Chinese with a keyboard
* Fixed an issue where extra margins were sometimes added in highlight marker mode
* Fixed various other bugs
2.2 Apr 30
1. The supplementary panel can now be closed with a gesture.
2. You can now change the highlight color in Settings.
3. A quick book switch button has been added to the bottom of Reader View. (You can adjust the number of buttons in Settings.)
4. The bookmark feature has been integrated into the highlight feature.
5. A search acceleration feature for large-volume books has been added. It can be turned on or off within the search function for each book.
6. Existing highlights can now be freely changed between underline and highlighter styles.
2 Mar 25
Fixes Minor bug and improvements
1.9.1 Feb 27
@ Added Feature
* Highlighter Mode Added: You can now add highlights in either “underline” or “highlighter” style—whichever you prefer. Switch freely using the button at the bottom of the screen.
@ Other Improvements
* Adjusted the top menu layout in the Reader view for greater convenience.
* Added an **Add Bookshelf (+)** button at the bottom of the Bookshelf screen so you can create a bookshelf right away.
* Other bug fixes and improvements.
1.9 Feb 26
@ Added Features
* Added a “Dictionary” button to the highlight palette
* Custom resizing for the supplementary content panel
* Multiple bookshelves
* Book sharing
@ Other Improvements
* Changed highlighting behavior from overwrite to merge
* Enabled multi-select for books in the bookshelf
* Improved top menu bar visibility on small screens
* Fixed various bugs and improved UI layout and views
1.8 Feb 10
**New Features**
* **Footnotes Overview:** A Footnotes Overview button has been added to the bottom-right of the screen. If the supplementary panel is not open, tapping this button will show a collected view of footnotes. If the supplementary panel is already open, the button will work as a close button.
* **Use In-Book Table of Contents:** You can now choose to use each book’s built-in table of contents. After opening a book, tap the list (TOC) button at the top of the screen to find a toggle that lets you turn this feature on or off. Use whichever option is more convenient for you.
**Other Improvements**
* Restored the “X” close button for the supplementary panel, which had been removed in the previous update.
* Improved the cover display on the bookshelf.
* Fixed various bugs and improved usability.
1.6.0 Feb 2
* Fix various bugs
* Improve the design and behavior of the reader view and parts of the UI
1.5.1 Jan 29
1. Added Features
* Backup Merge: When importing a backup, you can now choose between Overwrite and Merge. If you select Merge, existing records (such as highlights) and imported records will be merged, and any duplicate or overlapping records will be replaced by the most recent one.
* Highlight Mode Improvements: In Highlight Mode, after you create a highlight, a palette now appears near the text so you can quickly change the highlight color right away.
2. Fixes & Improvements
* Fixed an issue where highlights were being duplicated in supplementary materials.
* You can now use the swipe gesture to move to the previous/next chapter even while the supplementary materials panel is open.
* Fixed an issue where the supplementary materials panel from the previous chapter remained open after switching chapters.
* Miscellaneous security-related updates.
1.5 Jan 21
*** Newly Added Features ***
1. Landscape Mode Landscape mode is now available on mobile devices.
In landscape mode, you can view footnotes, supplementary materials, and references simultaneously alongside the main text. (Note: The swipe gesture to move to the next/previous chapter is disabled while the supplementary window is open. To navigate between chapters, please close the window or use the Table of Contents.)
2. Highlights and Notes for Supplementary Materials.
You can now highlight and add notes to footnotes, supplementary materials, and references, just as you do with the main text.
1.3 Jan 15
- Add Highlight Mode
Use Highlight Mode to highlight more easily.
(If you tap the Highlight button at the bottom of the screen without selecting text, Highlight Mode will turn on.)
- Add Backup Mode
You can back up highlights, memos, and bookmarks added to documents, and restore them when you switch devices or move to another device.
(Please note that the current import/restore feature will overwrite your existing records.)
**Features planned for a future update**
Highlighting in supplementary materials, landscape mode
**Other tips**
If you use an iPad, you can open multiple instances of the app at the same time. After launching the app multiple times, you can view multiple documents simultaneously.
(You can launch additional instances after adding the app to the Dock at the bottom.)
1.2 Jan 12
1. Real-time previous and next chapter navigation has been added.
2. Automatic sync has been added.
3. Other bugs have been fixed.
more Version 2.8 Sep 15
Data Not Collected The developer does not collect any data from this app.