Abobi combines audio files into one M4B audiobook with chapters, a cover and the book details filled in. It suggests where each chapter starts, even in a single long recording, and can add chapter titles. A chapter editor shows the whole book, so you check the suggestions and fix what is wrong instead of starting from scratch.
It opens MP3, M4A, M4B, AAC, FLAC, WAV, AIFF and CAF files, plus the sound from MP4, MOV and M4V videos. Title, author, narrator, year, description and cover can be filled in from a search, and every field can be changed by hand. Lossless sources can stay lossless (ALAC), and AAC or ALAC files are joined without re-encoding. You can queue a book for export and prepare the next one meanwhile. The interface is in 13 languages.
Recordings stay on your Mac. Only the title and author are sent when you search for book details. There is no account and no analytics.
Books up to three hours long export for free, with every feature. Beyond that you can buy the full version once, or get a 7-day pass. Nothing renews. Abobi needs macOS 14 or later and a Mac with Apple silicon. It works with your own DRM-free files and does not remove copy protection.
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