M4B audiobooks
An M4B often holds the complete book, artwork, title information, and embedded chapters in one tidy file. It can appear as one part with many chapter markers.
Audely supports both shapes without forcing you to convert a working collection. The files remain in your chosen folder while the listening library adds book-level organisation and progress.
An M4B often holds the complete book, artwork, title information, and embedded chapters in one tidy file. It can appear as one part with many chapter markers.
An MP3 book often arrives as separate chapters, discs, or sections. Clear numbering, filenames, metadata, and folders help preserve the intended order.
Audely groups related audio into one book and uses complete, unique numbering whenever it is available.
The current part, listening position, overall progress, and finished state stay meaningful across the entire work.
Supported chapter markers remain seekable inside the current source file without becoming separate copied audio.
Use playback speed, a sleep timer, queueing, notes, favourites, chapters, and system media controls around the same source files on iPhone, iPad, and Mac.
The local audiobook library is unrestricted in the free version. Audely Pro adds optional library sync, cloud backups, and every Audely theme.

Yes. An M4B can contain a complete book, artwork, book information, and embedded chapter markers in one file or a small number of files.
Yes. Keep the MP3 parts of one book together. Track numbers, disc numbers, filenames, metadata, and folder structure help Audely preserve narrative order.
Not when the existing book works correctly. Conversion can discard metadata, artwork, chapter information, or audio quality. Keep the original files backed up.
Audely groups the files as one book with ordered parts, remembers the current part and position, and calculates progress across the complete book.
Yes, when every source file is stored on the current device. Download all parts first when a chosen folder is in iCloud Drive.
No. Corrections made in Audely belong to its listening library and leave the MP3 or M4B source files unchanged.