LongJohn
An audiobook player for the M4B files you already own.
Coming soon to iPhone.
How it works
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Bring your files
Import one audiobook or a whole batch from the Files app.
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Press play
Authors, chapters, and cover art come straight from each file, so there’s nothing to set up.
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Put your phone away
Your book keeps playing in the background. Pause or skip from the lock screen, 15 seconds back or 30 seconds forward.
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Pick up where you stopped
LongJohn remembers your place in every book, so you can switch between them without losing it.
Your books stay on your phone.
LongJohn has no account, no ads, and no analytics, and it doesn’t send your library to us. Read the privacy policy
Before you import
- LongJohn needs an iPhone running iOS 18.2 or later.
- It plays M4B files without DRM. Books locked to another store or app won’t work.
- You can include audiobooks in your iCloud backup, or leave them out to keep backups smaller. Your listening progress is always backed up.