Compare
BookArc vs Sudowrite for writing fiction
One is a tool for a writer at work; the other produces a draft. The question is not which is better — it is whether you want to write the book or to have written it.
Feature comparison
| Feature | BookArc | Sudowrite |
|---|---|---|
| Approach | Drafts the whole book from a one-sentence idea. | Assists a writer scene by scene — expanding, rewriting, describing, suggesting. |
| Fiction craft tooling | One fiction format with a planned dramatic arc and carried-forward continuity. | Deep and fiction-specific: character and world tooling, prose-level assistance. |
| Non-fiction | Five non-fiction formats — guide, course, report, workbook, lead magnet. | Aimed squarely at fiction. |
| Who writes the prose | The tool drafts; you edit. | You write; the tool assists. |
| Publishing files | PDF, print-ready interior, EPUB, Word, cover PNG. | A writing environment; export and format elsewhere. |
| Cover | Generated for the book. | Not a cover tool. |
Sudowrite details checked against their own site on . Products change — check theirs before deciding, and tell us if anything here is out of date.
Choose BookArc if…
- You want a complete draft to react to rather than a blank page to fill.
- You are writing non-fiction as well as, or instead of, fiction.
- You want the finished files at the end.
Choose Sudowrite if…
- You are a novelist and the writing is the part you want to do.
- You want control at the sentence and scene level.
- Your book’s value is in your own voice, and a drafted one would not be it.
Two genuinely different jobs
A tool for novelists assumes the writer is the author and the software is the assistant. It is designed around the moments when a writer is stuck: this paragraph is flat, this description is thin, what would happen next.
BookArc assumes the opposite starting point — that you have an idea and no draft, and that a complete first draft to argue with is more useful than a blank page with help available.
Neither is the right answer in general. If your book’s value is your voice, a drafted book is not what you want and no amount of quality changes that.
Being straight about fiction
BookArc writes fiction — the novel format plans a real dramatic arc over 20 to 35 chapters and carries characters, world rules and plot state forward between them. It is a serious drafting tool.
It is not a replacement for a novelist’s craft, and a drafted novel needs a genuine edit before it is anybody’s book. If you write fiction seriously, a fiction-first tool is probably the better fit, and this page is happy to say so.
Questions people ask
Can BookArc write a full novel?
Yes — the fiction format plans 20 to 35 chapters with an escalating arc, a mid-book reversal and an ending that resolves, and it keeps names, places, timeline and world rules consistent between chapters.
Will readers be able to tell?
They can tell an unedited draft, whoever wrote it. The edit is the part that is still yours.
Write the book you keep meaning to write.
Describe it in one sentence. BookArc plans the chapters, writes every one of them and designs the cover. 30 credits free, no card.