Below are our picks for the best places to get free audiobooks for your iPhone.

Either convert these audiobooks to theM4Bformat with afile converter toolorforce iTunes to make the files appear as audiobooks.

Archive.org

No cost, ever.

Archive.org’s audiobook collection

Not much contemporary, quality content.

Can be difficult to navigate.

Archive.org is a gigantic collection of all types of free media.

All You Can Books home page

All you could Books

Good selection of content.

Free for 30 days.

Must enroll in trial to pull up the catalog.

Audible.com website

you’re free to cancel your subscription before the first 30 days are up.

Or, let the payment process and continue getting books, just not for free.

Audible

Huge selection.

eStories home page

Perhaps the best-known provider of downloadable audiobooks, Audible has been going strong since 1997.

It provides free audiobooks through those ads.

Be alert when listening to those podcasts to get free audiobook offers.

LibriVox home page

Audible has a free mobile appthat provides access to your Audible library while on the go.

Learn how todownload Audible booksif you need help.

eStories

Expansive selection.

Lit2Go website

New releases each week.

Quick and easy signup options.

Several pricing plans, some are expensive.

audio books iPod: Loyal Books

The audiobook selection is robust and includes the latest big-name titles and authors as well as less-well-known works.

Literature fans can choose from plans that offer one, two, or five audiobook downloads per month.

Plans also offer a rollover for unused downloads and support for playback on multiple devices.

Project Gutenberg website

Subscriptions run from $11.99 to $49.99 per month, with discounts applied for full-year purchases.

LibriVox

Great selection of classics.

MP3 downloads without DRM restraints.

Scribl website

No meaningful contemporary catalog.

These iPhone audiobooks are available as 64 kbps or 128 kbpsMP3s.

Since these are public domain-only books, you won’t find the latest titles here.

Thought Audio website

Lit2Go

Focus on education.

Teachers may find Lit2Go to be a good resource for students.

Loyal Books

Public domain content.

Not a major market player.

Most of its over 7,000 titles are drawn from Project Gutenberg and LibriVox.

The audiobooks here are completely free and can be downloaded either as a podcast or as an MP3.

To download an audiobook to iPhone, choose theiPod/iPhone M4b Audiobooklink.

Project Gutenberg

Growing audiobook catalog.

A venerable source of classic and public domain books.

Hit-or-miss whether an audiobook associates with an eBook.

Project Gutenberg is the most prominent provider of free, public domain eBooks on the web.

It also offers audiobook versions of some titles.

Download the books in MP3, M4B audiobook, Speex, orOgg Vorbisformats.

Scribl

Discover some interesting stuff.

Not many major publishers.

Wade through junk to find gems.

Another nice feature of the service is that audiobooks come with an eBook version of the title for free.

For writers, Scribl is also a self-publishing platform.

That means you’re likely to find more up-and-coming indie authors here than big names.

To find only audiobooks for iPhone,filter the results to hide other contentsuch as podcasts and eBooks.

ThoughtAudio

Offers PDFs.

ThoughtAudio is another source of free audiobooks that work on the iPhone.

Like other audiobook sites, it’s free because it contains public domain texts.

You’ll find dozens of free MP3s, with longer books often broke up into multiple files.

ThoughtAudio offers a nice bonus, too: PDFs of the text being read.

Since the works it offers are in the public domain, it can provide these books for free.