Amazon KDP vs IngramSpark Comparison 2026
Amazon KDP prints paperbacks on demand and sells them where Amazon's own readers already are, for free with a 70 percent royalty between $2.99 and $12.99. IngramSpark prints into the same wholesale catalogue that bookshops and libraries actually order from, also free to set up, with print charged per copy by trim size and binding rather than a flat rate. These are not really rivals. Most independent authors run both, one for Amazon's own margin and the other for reach a Kindle-only book cannot get.
Self-publish to Kindle and keep 70 percent
Print a book into the retail supply chain
At a glance
- Both have a genuinely free tier.
Side by side
Amazon KDP | IngramSpark | |
|---|---|---|
| Starting price | Free | Not listed |
| Pricing model (they differ) | Free | Free plan, paid tiers |
| Free tier | Yes | Yes |
| Billing | Usage-based | Not stated |
| Free trial | Not stated | Not stated |
| API | Not stated | Not stated |
Amazon KDP
Self-publish to Kindle and keep 70 percent
Kindle Direct Publishing is the shortest route from a finished manuscript to a book somebody can buy, and the audience on the other side of it is the reason most self-published authors start here. Publishing costs nothing. The royalty band is the thing to read before setting a price, because it changes what you earn by half.
Our note
The price band is the decision, not the cover. Pricing at $14.99 instead of $12.99 cuts the royalty rate in half, and a lot of first books are priced into the wrong side of it by accident.
Only on this side
- Covers digital products & storefronts
IngramSpark
Print a book into the retail supply chain
IngramSpark is how an independent author gets a physical book into the catalogue bookshops and libraries actually order from, which Amazon's own printing does not do on the same terms. Setup costs nothing now, print is charged per copy, and the distribution reach is the reason to be here rather than the interface. Returns, discounts and trim sizes are decisions with real money attached, and the site is better at listing them than at explaining them.
Why people weigh these two
- IngramSpark instead of Amazon KDP
- IngramSpark prints a book into the retail supply chain, the way into physical stores rather than the Kindle store, with a free tier.
- Amazon KDP instead of IngramSpark
- Amazon KDP is the easier, cheaper route when the book only needs to be on Amazon; it pays up to 70 percent on Kindle, but its printing does not reach bookshops and libraries on IngramSpark's terms.
Which one should you pick
Use Amazon KDP alone if Amazon is the entire plan: a Kindle ebook, or a paperback sold only through Amazon's own listing, nothing owed to a bookshop. It costs nothing to publish and pays the best margin inside its price band.
Add IngramSpark the moment a bookshop, a library or a store outside Amazon needs to order the book, since Ingram's catalogue is the one they actually use. Run the print cost calculator first. Trim size, paper and binding move the per-copy cost enough to decide whether the wholesale discount still leaves a margin, and most independent authors end up listing the same title on both.
Common questions
- Should I use Amazon KDP or IngramSpark?
- Most independent authors use both rather than picking one. KDP is free, pays up to 70 percent inside its price band, and reaches Amazon's own readers. IngramSpark is also free to set up and gets the same book into the wholesale catalogue bookshops and libraries order from, which Amazon's own printing does not do on the same terms.
- Does IngramSpark cost anything to start?
- No. Title setup is free, and so are the publishing tools, courses and guides. The real cost only appears once a specification exists, because print is charged per copy and calculated from trim size, page count and binding rather than listed as one price. Ebook conversion is $0.60 a page if you want it done for you.
- Why do bookshops need IngramSpark instead of ordering through Amazon?
- Because the retail catalogue bookshops and libraries actually order from is Ingram's, not Amazon's own printing operation. That distribution reach is IngramSpark's whole reason to exist, and it is the piece Amazon KDP does not do on the same terms.
- What decides whether a book is profitable on IngramSpark?
- The wholesale discount and whether you accept returns. Both are set per title, and they change what a bookshop is willing to order and what you keep per copy. Trim size, paper choice and binding move the unit cost enough on their own to decide whether a title has a margin at all.
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