# kdpbook.io vs Story.com Storybook Publisher: an honest comparison

Source: https://kdpbook.io/compare/storybook-publisher-alternative · Updated 2026-10-12

We make kdpbook.io, so we're not neutral. Everything about Story.com Storybook Publisher comes from its public pages as of 2026-09-28 (sources at the end of the page); prices and features may have changed since.

Checked 2026-09-28 on the competitor's public pages. Story.com’s Storybook Publisher creates 8- to 48-page children’s picture books, free to start with pay-per-use credits for regenerations, and gives you paperback files with KDP instructions or publishes the book for you. Its FAQ says Kindle formatting isn’t supported yet. kdpbook.io also exports a fixed-layout Kindle eBook and covers more than picture books.

| Criterion | kdpbook.io | Story.com Storybook Publisher |
| --- | --- | --- |
| Output | Complete interior PDF, laid out page by page | Print-ready PDF at 300 DPI with bleed and crop marks, a cover PDF and a publication-details sheet |
| Trim sizes | Picture books: 8.5 × 8.5, 8.25 × 8.25, 8 × 10, 8.5 × 11, 7.5 × 9.25, 8.25 × 6, 6 × 9 in; 16 paperback trims across all types | 8.5 × 8.5, 8.5 × 11 and 8 × 10 in, per its product page; its KDP setup guide says to choose 6 × 9 in with No Bleed |
| KDP specs | Trim, bleed, margins, spine and page limits applied automatically, with a preflight check | Margins, bleed and typography handled automatically; a preflight check is not documented |
| Kindle eBook | Kindle EPUB (reflowable or fixed layout) + Kindle cover | Not supported yet, per its FAQ |
| Book types | 36 book types, from board books to novels, cookbooks, puzzle books and comics | Children’s storybooks, 8 to 48 pages |
| Character consistency | Character reference sheets reused on every illustration | Consistent characters on every page; you can upload reference images of your characters |
| Publishing help | Listing sheet (title, description, 7 keywords, categories, AI-disclosure answers); on paid plans the free kdpbook Publisher extension fills your KDP draft, or you upload the files yourself | Self-Publishing files with KDP instructions, or Fully Managed Publishing for a one-time payment (amount not published) |
| Selling rights | Commercial license on every paid plan; free-plan exports carry a preview watermark and are not for sale | Full commercial rights, per its FAQ |
| Pricing | Free: 2,000 credits once, no card. Plans $25–$99/month | Free to start; pay-per-use credits; Fully Managed Publishing fee not published |

## What Story.com Storybook Publisher is

A children’s book creator inside Story.com, which also makes AI videos. You write a story or start from a prompt, pick an illustration style (cartoon, realistic, anime, comic and more), and it lays out 8 to 48 pages with consistent characters. Its Publish on Amazon flow offers Self-Publishing (a manuscript PDF, a cover PDF and a publication-details sheet, with step-by-step KDP instructions) or Fully Managed Publishing, where its team handles the process on your behalf. Both are for paperbacks.

## Where Story.com Storybook Publisher shines
- Free to start: its FAQ says creating your first storybook costs nothing.
- Fully Managed Publishing: its team handles the KDP publishing for you.
- Step-by-step KDP instructions, including which AI-disclosure answers to give.
- Its FAQ grants full commercial rights to the books you create.
- No subscription: a pay-per-use wallet whose credits never expire.

## Story.com Storybook Publisher pricing (as published on 2026-09-28)
- Creating your first storybook is free, per its FAQ; regenerating pages or illustrations costs credits, and the price is shown before you generate.
- Wallet top-ups of $10, $20 or $50, no subscription; its pricing guide equates $10 with 1,000 credits.
- Its FAQ describes Fully Managed Publishing, where its team publishes the book for you, as a one-time payment; the amount isn’t published.
- Its FAQ answers disagree on whether PDF downloads cost credits.

## Choose Story.com Storybook Publisher if
- You want someone else to handle the KDP publishing for you.
- You only need a paperback picture book and want to start without a subscription.
- You also make AI videos and want one wallet for both.

## Choose kdpbook.io if
- You want a Kindle eBook edition next to the paperback.
- You publish other kinds of books too: coloring and activity books, journals, chapter books, novels, non-fiction.
- You want a page editor with live preview, a KDP preflight and a 3D preview before you export.

## Questions

Q: Is kdpbook.io a Storybook Publisher alternative?
A: Yes. Both make KDP picture books with consistent characters. kdpbook.io also exports a fixed-layout Kindle eBook and a listing sheet, and covers 36 book types; a 32-page picture book is estimated at about 1,614 credits (≈ $16), which fits in the free signup credits (free-plan files carry a preview watermark). Storybook Publisher is free to start and can publish the book for you, which kdpbook.io doesn’t do.

Q: Can I make a Kindle eBook with Storybook Publisher?
A: Not today: its FAQ says Kindle formatting isn’t supported yet and that it provides print-ready PDFs for paperback publishing. You would need another tool for the eBook. kdpbook.io exports a fixed-layout EPUB and a Kindle cover from the same project as the paperback.

## Sources
- [Storybook Publisher (Story.com)](https://www.story.com/products/storybook-publisher)
- [Story.com: How to publish your book on Amazon](https://www.story.com/amazon-instructions)
- [Story.com pricing](https://www.story.com/pricing)
- [Story.com pricing explained](https://www.story.com/explain/story-com-pricing-explained)
- [Story.com FAQs](https://www.story.com/faqs)