• Your text settings, presets, eye-comfort settings and your own fonts now stay the same on iPhone, iPad and iPhone Duo. Change them on one device and the others follow (Bookbreath Pro · iCloud sync) • When you pick up where you left off on another device, the page number now matches this screen right away

• Chaeksum is now called Bookbreath: the meaning of 책숨, the breath of a book • On iPhone Duo, unfold to read in two-page spreads like a paper book, with the gutter right over the fold. Fold it and the book fits the outer screen • Renaming a book or a preset no longer gets autocorrected • On iPad, "Go to page" moves with a single tap

A small update. • One more chance to rate Chaeksum if you like it: after you've spent a little time with one of your own books, we'll ask once as you head back to the library (at most once per version, never for the sample)

A small update. • When you finish one of your own books and head back to the library, you can rate Chaeksum if you like it (asked at most once per version, never for the sample) • Clearer App Store page for people looking for a TXT or EPUB reader

Jongigyeol is now Chaeksum — Korean for "the breath of a book". Your books and settings stay just as they were. Easier, and more dependable. • Find, sort and rename books in your library • Import a ZIP of books in one go • Better chapter lists for TXT files; EPUBs use their own table of contents, and footnotes open with a tap • After a search, step to the next or previous match; after a jump, one tap takes you back • Share a passage as a paper card image • Today's reading time and your reading streak • Sleep timer for read-aloud (15 · 30 · 60 min) • Lock the app with Face ID • Keep the screen on while reading, brightness in the reader, go to a page number • Turn pages with a keyboard or a Bluetooth page turner • Open password-protected PDFs and Japanese Shift-JIS text files • A quiet "Finished" when you turn the last page • More accurate, safer reading positions and sync