Compare credit systems, catalogue size, DRM and what you keep if you cancel
The largest catalogue, on a monthly credit model
Largest audiobook catalogue and most exclusivesOne credit per month buys any title outrightCredit purchases stay in your library after cancellingPlus Catalogue adds unlimited listening on selected titlesMost titles are DRM-protected to the Audible app
DRM-free audiobooks that split revenue with a local bookshop
All audiobooks sold DRM-freeDownloadable MP3 files you can play anywhereYou pick a local bookshop that shares the revenueMonthly credit model similar to AudibleSmaller catalogue and fewer exclusives
Free borrowing through your public library card
Free with a public library membershipBorrow audiobooks and ebooks in one appOffline downloads within the loan periodWaiting lists on popular titlesCatalogue depends entirely on your library system
Monthly listening hours bundled with a music subscription
Included hours of audiobook listening on Premium plansSame app as your music and podcastsTop-up hours available once the allowance runs outNo separate subscription neededListening is capped rather than unlimited
Audiobook subscription tied to the Kobo ebook ecosystem
One audiobook credit per month on the subscriptionShares a library with Kobo ebooks and e-readersAvailable in many countries outside the USCredits roll over while the plan is activeTitles are DRM-protected to the Kobo app
Flat-fee access to a rotating audiobook and ebook library
One monthly fee rather than per-title creditsAudiobooks, ebooks, magazines and sheet music togetherNo permanent ownership of any titleAccess throttles once you read heavily in a monthTitles can leave the catalogue without notice| Product | Audible 9.6 | Libro.fm 9.2 | Libby 8.7 | Spotify 8.3 | Kobo 7.8 |
|---|---|---|---|---|---|
| Highlights | Largest audiobook catalogue and most exclusives · One credit per month buys any title outright · Credit purchases stay in your library after cancelling · Plus Catalogue adds unlimited listening on selected titles · Most titles are DRM-protected to the Audible app | All audiobooks sold DRM-free · Downloadable MP3 files you can play anywhere · You pick a local bookshop that shares the revenue · Monthly credit model similar to Audible · Smaller catalogue and fewer exclusives | Free with a public library membership · Borrow audiobooks and ebooks in one app · Offline downloads within the loan period · Waiting lists on popular titles · Catalogue depends entirely on your library system | Included hours of audiobook listening on Premium plans · Same app as your music and podcasts · Top-up hours available once the allowance runs out · No separate subscription needed · Listening is capped rather than unlimited | One audiobook credit per month on the subscription · Shares a library with Kobo ebooks and e-readers · Available in many countries outside the US · Credits roll over while the plan is active · Titles are DRM-protected to the Kobo app |
Editorially scored by our research team.
Every score out of 10 is assigned by our editors from published pricing, features, fees, coverage and support terms — not from user-submitted reviews. Scores are our own opinion and change as products change. Read our full methodology.
Audible is our top-scoring pick in Audiobook Services, at 9.6/10 — it highlights “Largest audiobook catalogue and most exclusives”.
Libro.fm scores 9.2 and is the one to compare against it — it highlights “All audiobooks sold DRM-free”.
Both scores are our editors’ assessment of published specifications, pricing and terms against the criteria in our rating methodology — they are not aggregated customer reviews.
Audiobook services look alike from the outside and differ fundamentally in what you get for your money. Sort them into three models first.
Credit models charge a monthly fee that buys one title, whatever its price. Because a new release can cost two or three times the monthly fee, that is real value on expensive books and poor value on cheap ones. Crucially, a title bought with a credit stays in your library after you cancel — you are buying, not renting.
Unlimited or allowance models give access to a catalogue while you pay. Nothing is yours; if you stop paying, or a title leaves the catalogue, it goes. Some are genuinely unlimited, some cap you at a number of hours per month, and some throttle heavy listeners after an unstated threshold.
Library borrowing is free with a public library card. The catalogue is real and often large, but popular titles carry waiting lists measured in weeks, and loans expire.
These combine well. Borrowing for anything you are willing to wait for, plus one credit a month for the books you want now, covers most listening at a low cost.
The comparison that settles most of these decisions is price divided by hours actually listened.
A credit model is good value if you finish roughly one book a month and choose longer or more expensive titles. If you listen to two or three, an unlimited catalogue almost certainly costs less. If you manage one book every few months, credits accumulate unused — check whether they expire, because on several services they do, and expired credits are money gone.
Be honest about your listening rate rather than aspirational. The commuting, walking or housework time you actually have is the number that matters, and it is usually smaller than the plan you are tempted to buy.
Most audiobooks are wrapped in digital rights management, which locks playback to the seller's own app. Three consequences follow, and they are the main reason to care which service you choose:
A small number of sellers offer DRM-free files — ordinary audio you download and play in anything, back up yourself, and keep permanently regardless of what happens to the shop. The catalogue is smaller and exclusives are missing. For listeners building a library they expect to keep, it is a material advantage; for someone who listens once and moves on, it changes little.
Rather than comparing total title counts, list ten books you actually want and search for them on each service. That takes ten minutes and answers the question properly, because catalogue strength varies by genre and by publisher.
Note also that exclusives are a real factor in audiobooks. Some titles are produced by a single retailer and available nowhere else, which can decide the matter on its own if a series you follow is one of them.
Narration quality is the other thing a title count cannot capture. The same book can exist in more than one recording, and an unabridged reading by a good narrator is a completely different experience from a rushed one. Always play the sample; ten seconds tells you whether you can listen to that voice for twelve hours. Check for "abridged" in the title too — it means material has been cut.
These sound minor and turn out to shape whether you listen at all:
Offline downloads, so a commute through a tunnel or a flight does not stop playback. Check whether downloads are available on your plan and whether they expire.
Variable speed with fine increments. Many listeners settle around 1.2–1.5×, and a service offering only whole steps is noticeably worse.
A sleep timer, ideally one that ends at the chapter break rather than mid-sentence.
Cross-device position sync, so phone, tablet and car pick up where you stopped.
Car integration — whether the app supports your car's system properly, since that is where much listening happens.
Bookmarks and clips, which matter for non-fiction you intend to refer back to.
Three checks worth making while the trial is still free. Find out how to cancel and whether it is self-service or requires contact. Find out what happens to credits, downloads and purchased titles when you cancel — for credit purchases the answer is usually that you keep them, but confirm it rather than assume. And confirm the service operates in your country: audiobook rights are regional, and the catalogue you see in one country can be substantially different in another.