Best AI Book Writing Software in 2026
Updated
In short: Pendraic is ranked #1 of 27 as of 9 October 2026, ahead of DeepQuill and Jenova Creative Fiction Writer. The best-ranked option with a free plan is DeepQuill. The lowest first paid tier on this page is DeepQuill at $3.33/mo.
A book project can involve outlining, drafting chapters, maintaining continuity, and preparing a manuscript for export. Compare the chapter workspace and rewrite controls alongside book outlining and continuity tools to see what support is specified across those stages. Maximum words and export formats can help you check fit for your project and intended handoff. Pendraic, Jenova Creative Fiction Writer, and Automateed are options to consider. Free-plan availability and paid-from pricing round out the details, so you can weigh writing features against how you expect to work on and deliver a book.
27 AI book writing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
27ranked
20free plans on this page
$3.33/molowest paid tier
9 Oct 2026last checked
Input list AI Book Writing Software 25 channels on this page · 124 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromMaximum wordsBook outliningChapter workspaceContinuity toolsRewrite controlsExport formats Spec sheet Score
01 Pendraic Free planYesPaid from$14.99/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsMarkdown, DOCX, EPUB 7/8spec lines stated 7.7
02 DeepQuill Free planNoPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsNoExport formatsWord, EPUB, FB2, PDF, TXT, Google Docs 6/8spec lines stated 7.5
03 Jenova Creative Fiction Writer Free planYesPaid from$20/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsPDF, Word, text, CSV, images 7/8spec lines stated 7.4
04 Automateed Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsPDF, EPUB, DOCX 6/8spec lines stated 7.3
05 Bookwiz Free planYesPaid from$14/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsDOCX, EPUB, PDF 7/8spec lines stated 7.3
06 Loreon Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsMarkdown, plain text, PDF, EPUB 6/8spec lines stated 7.3
07 Manuscripts.ai Free planYesPaid from$29/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsDOCX, PDF, EPUB, AZW3, Markdown, plain text 7/8spec lines stated 7.3
08 Storybible Free planNoPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsnot stated 5/8spec lines stated 7.2
09 BookBud.ai Free planYesPaid from$19/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsEPUB, PDF, DOCX, ZIP 7/8spec lines stated 7.1
10 Kosmos Free planNoPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsNoExport formatsMarkdown 6/8spec lines stated 7.1
11 NovelAI Free planNoPaid from$10/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsnot stated 2/8spec lines stated 7.1
12 Novelcrafter Free planNoPaid from$4/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsnot stated 2/8spec lines stated 7.1
13 Quillstone Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspacenot statedContinuity toolsYesRewrite controlsYesExport formatsEPUB, PDF, M4B 5/8spec lines stated 7.1
14 Sudowrite Free planNoPaid from$10/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsnot stated 2/8spec lines stated 7.1
15 AI Novel Studio Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsDOCX 6/8spec lines stated 7.0
16 AIWriteBook Audiobook Studio Free planYesPaid from$12/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsEPUB, PDF, DOCX 7/8spec lines stated 7.0
17 Calliope Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsNoExport formatsMarkdown, Google Docs, DOCX, EPUB, PDF 6/8spec lines stated 7.0
18 FireQuill Free planYesPaid from$10/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsMarkdown, Word, EPUB, KDP-ready EPUB, print PDF, Fountain, Final Draft, libretto 3/8spec lines stated 6.9
19 Keter Labs Free planYesPaid from$29/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsPNG, JPEG, WebP, AVIF 3/8spec lines stated 6.9
20 ShyEditor Free planYesPaid from$10/moMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formatsTXT, Markdown, DOCX, PDF 7/8spec lines stated 6.9
21 Novellum Free planYesPaid from$15/moMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsDOCX, EPUB 3/8spec lines stated 6.8
22 Raptor Write Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsYesExport formats.md, .txt, .doc 6/8spec lines stated 6.8
23 Scriptorium Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningYesChapter workspaceYesContinuity toolsYesRewrite controlsnot statedExport formatsEPUB, PDF 5/8spec lines stated 6.8
24 Squibler Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsnot stated 1/8spec lines stated 6.8
25 Novilot Free planYesPaid fromnot statedMaximum wordsnot statedBook outliningnot statedChapter workspacenot statedContinuity toolsnot statedRewrite controlsnot statedExport formatsDOCX, EPUB, PDF, HTML, Markdown 2/8spec lines stated 6.7
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Maximum words | Book outlining |
|---|---|---|---|---|---|---|---|---|
| 1 | Pendraic | 7.7 | Free plan | $14.99/mo | Yes | 14.99 /mo | — | Yes |
| 2 | DeepQuill | 7.5 | Free plan | $3.33/mo | No | — | — | Yes |
| 3 | Jenova Creative Fiction Writer | 7.4 | Free plan | $20/mo | Yes | 20 /mo | — | Yes |
| 4 | Automateed | 7.3 | No | — | Yes | — | — | Yes |
| 5 | Bookwiz | 7.3 | Free plan | $14/mo | Yes | 14 /mo | — | Yes |
| 6 | Loreon | 7.3 | Free plan | Free | Yes | — | — | Yes |
| 7 | Manuscripts.ai | 7.3 | Free plan | $25/mo | Yes | 29 /mo | — | Yes |
| 8 | Storybible | 7.2 | No | $16.67/mo | No | — | — | Yes |
| 9 | BookBud.ai | 7.1 | Free plan | $15.83/mo | Yes | 19 /mo | — | Yes |
| 10 | Kosmos | 7.1 | Free plan | Free | No | — | — | Yes |
| 11 | NovelAI | 7.1 | No | $10/mo | No | 10 /mo | — | — |
| 12 | Novelcrafter | 7.1 | No | $4/mo | No | 4 /mo | — | — |
| 13 | Quillstone | 7.1 | Free plan | Free | Yes | — | — | Yes |
| 14 | Sudowrite | 7.1 | No | $10/mo | No | 10 /mo | — | — |
| 15 | AI Novel Studio | 7.0 | Free plan | Free | Yes | — | — | Yes |
| 16 | AIWriteBook Audiobook Studio | 7.0 | Free plan | $12/mo | Yes | 12 /mo | — | Yes |
| 17 | Calliope | 7.0 | Free plan | €8.25/mo | Yes | — | — | Yes |
| 18 | FireQuill | 6.9 | Free plan | $10/mo | Yes | 10 /mo | — | — |
| 19 | Keter Labs | 6.9 | Free plan | $29/mo | Yes | 29 /mo | — | — |
| 20 | ShyEditor | 6.9 | Free plan | $10/mo | Yes | 10 /mo | — | Yes |
| 21 | Novellum | 6.8 | Free plan | $15/mo | Yes | 15 /mo | — | — |
| 22 | Raptor Write | 6.8 | Free plan | Free | Yes | — | — | Yes |
| 23 | Scriptorium | 6.8 | Free plan | Free | Yes | — | — | Yes |
| 24 | Squibler | 6.8 | Free plan | $29.99/mo | Yes | — | — | — |
| 25 | Novilot | 6.7 | Free plan | $19/mo | Yes | — | — | — |
Is your tool on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which AI book writing software is ranked first on Specifiction?
Pendraic is ranked #1 of 27 with a score of 7.7. DeepQuill is second and Jenova Creative Fiction Writer third.
How many of these have a free plan?
20 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DeepQuill has the lowest first paid tier we found: $3.33/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.