Booklover

General

View contents of DRM-free eBook/Manga (CBZ/ZIP, CBR/RAR, PDF)
Sync book files automatically among different devices via iCloud Drive
Add files via iCloud Drive / iTunes / AirDrop / "Open-in"
Download files from cloud storage services (Needs an app provided by the cloud storage service providers)
Copy files from an other app via Drag and Drop (Compatible iPad Only)
Slide Over / Split View (Compatible iPad Only)
Quick Action with 3D Touch
Support for JPG, PNG, GIF, HEIC, WEBP, AVIF, JPEG XL (iOS 17+) archived files
Hardware keyboard shortcuts (Reading View)
User authentication with PIN / Touch ID
Exclude/Include book files from the iTunes/iCloud backup target
Universal Application (Supports all iPhone/iPad screen sizes)
Sound effects ON/OFF
"Give My Regards to Black Jack" Vol. 1-13 (ON/OFF with the switch in the Side Menu)

Switch between Grid/List Views
Side Menu (from the button at the top-left, or by swiping to right)
History Lists (Added/Opened books)
Longpress-to-show options for a book (Grid View)
Swipe-to-show options for a book (List View)
Reveal-last-opened-book button
Section books by Genre (ON/OFF)
HUD overlay (Filename, Title, Author, Publisher, File Size, Format, Number of Pages, File Location)
Sort books by different criteria (Author, Publisher, Title, Filename)
Library Navigator (ON/OFF)
Alphabetical Index Labels (ON/OFF)
Filter books from Side Menu (By Reading Status, Genre, Tag)
Fast scrolling with custom Scroll Slider
Search book by filename and other metadata attributes
"Responsive Shadow" / Shadow rendering settings (ON/OFF)
Manage data and content file for a book separately (Ghost Books)
Scrolling with imageless covers by long-pressing the Scroll Slider

Text selection, search, and table of contents for PDFs
Annotation of selected text in a PDF (highlight, underline, strikethrough)
Bookmarks
Add titles and notes to bookmarks
Annotate selected text in the PDF (highlight, underline, strikethrough)
Add notes to annotations within the PDF
Display a content guide menu with a table of contents, bookmark list, and annotation list
Page transition settings: Axis (Horizontal, Vertical), Style (Scroll, Continuous Scroll, Stack, Crossfade, Zoom fade, Instant)
Progress direction setting: Left to Right, Right to Left (for vertical text, manga, Arabic, etc.)
Page layout setting: Automatic, Single-Page, Two-Pages (spread)
Separate page layout settings for view orientation (Portrait / Landscape)
Page trimming (for images only)
Page sizing: Show All, Width-Fit, Height-Fit
Page thumbnail view (overview, bookmarks)
Image filters
Adjust page spread position (Insert adjuster page at the beginning of the book body)
Text recognition with Live Text (compatible devices)
Export (share) currently displayed page
Browse related info about the book/author (Google Search/Wikipedia)
Change background color
Book Settings Menu (ON/OFF)
Close book by swiping up the screen
Show/Hide the Status Bar during reading
Show/Hide the reading progress
Navigation buttons to the next/prev book from the last/first page

Add/Edit metadata to a book (Author, Genre, Title, Publisher, Date Pubished, ISBN, Others)
Auto-extract metadata from PDF file (ON/OFF)
Auto-extract metadata from filename / Extraction settings
Auto-extract tags from filename / Extraction settings
Pre-metadata-extraction string replacement
Capitalize title on extraction (ON/OFF)
Ignore specified leading articles on sorting (ex. The, A, An)
"Sort As" field for book Title/Author/Publisher (ON/OFF, Defaulted to OFF)
Book Info View to display/edit book attributes (settings / metadata / tags)
Auto/Manual crop book cover
Show/Edit Reading status (Unread/Reading/Read)
Fav icon
Change page progression direction
Edit filename
Add/Remove/Edit Tags to a book / Filter books by Tag
Reset book settings and info/metadata
Batch edit attribute of multiple books ("Select" - Toolbar)
Delete book (file)
Transfer book (file) via "Open-in"/AirDrop
Manage/Clear cache files
Configure default settings for newly added or reset books
Relocate files between Local (device) and iCloud Drive