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Bookwiz vs Sudowrite

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Bookwiz starts at $14, Sudowrite at $10. Only Bookwiz has a free tier.

BookwizDrafts a book from a one-line premise, keeps continuity across chapters and exports KDP-ready filesSudowriteLong-form fiction drafting with a story bible attached

Side by side

FactBookwizSudowrite
CategoryStorytelling & FictionStorytelling & Fiction
Pricing modelFreemiumPaid
Starts at$14 month$10 month
Public APINoNo
PlatformsWebWeb
CompanyBookwizSudowrite
Launched—2020
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Bookwiz

The useful bit is the second half: most AI writing tools stop at the manuscript, and this one carries you through EPUB, paperback cover and Amazon listing. Continuity across a full-length book is handled by keeping project context, and the model picker means you are not locked to one vendor's prose.

Pros

  • Carries a project from outline through to KDP upload, not just to a draft
  • Holds manuscript, characters and world notes in context across sessions
  • Claude, GPT and Gemini selectable on the same book
  • Generates EPUB, print PDF, paperback cover and an Amazon listing with keywords
  • Terms state you retain full ownership of your content

Cons

  • No company name, entity or country disclosed anywhere
  • Paid tiers are separated by prompt counts, which is hard to translate into books
  • Web only, with no API and no offline editor
  • Terms were last updated January 2025, so parts may be stale

Sudowrite

The only writing tool built around a novel rather than a document, and the story bible is why people stay — but you are renting credits, and the cheap tier runs dry mid-chapter.

Pros

  • Story bible holds characters and plot consistent across a full manuscript
  • Muse is tuned for narrative rather than general-purpose output
  • Max rolls unused credits forward for twelve months
  • Trial needs no credit card

Cons

  • No free tier — when credits stop, the manuscript stops
  • 225,000 credits on the $10 plan is thin for a full-length draft
  • Rollover exists only on the $44 Max plan
  • Web-only, with no offline or desktop editor

Which one fits

Choose Bookwiz if you need

  • Self-publishers taking a book all the way to Kindle Direct Publishing
  • Writers who want continuity across chapters rather than one-off drafts
  • Authors who like switching models mid-project

Choose Sudowrite if you need

  • Novelists drafting long fiction who need continuity across many chapters
  • Writers who want targeted moves — expand, describe, rewrite — instead of a chat window
  • Anyone comparing a fiction-tuned model against general-purpose assistants

More comparisons

Browse all Storytelling & Fiction →