Create a publish-ready book in hours
From raw idea to formatted DOCX — market research, titles, outline, full manuscript, description, and cover. One pipeline, one subscription, complete control.
Free tier included. No credit card required.
50K+
Words per book
Under 2 hrs
Idea to manuscript
$19
Starting price/mo
Your book in 5 simple steps
No writing experience needed. Follow the pipeline and publish.
Set Up
Enter your topic, audience, and preferred writing tone.
Generate Titles
Discover 5 compelling title and subtitle combinations tailored to your book and its market.
Build Outline
Full chapter-by-chapter structure with section summaries.
Write
Write every chapter in your established voice, then refine it directly in the editor.
Export
Download a KDP-ready DOCX with title page, TOC, and formatting.
Everything you need to publish. Nothing you don't.
Built by a KDP publisher who got tired of stitching together 10 different tools.
Real numbers. Real output.
Every metric below is generated by CoWriter Ink. No fluff, just results.
50,000+
Words per book generated
13
Chapters per outline on average
8
Specialized editing tools for every stage of refinement.
< 2 hrs
Average time from idea to DOCX
Built by a real KDP publisher
CoWriter Ink brings the entire book-building process into one connected workspace — so your ideas, research, writing, editing, and design stay aligned from first concept to finished book.
Publishing a quality book used to be hard
One book. One vision. One connected workspace.
Slow, costly, and uncertain
Research, writing, revisions, and formatting coordinated by hand.
Writers, editors, designers, and formatting add up fast.
Research, docs, and design tools that don’t talk to each other.
Rely on intuition and scattered research to guess what sells.
Switching between chats can break context and weaken consistency after 5,000 words.
Fast, affordable, and certain
Idea to full manuscript, drafted in one guided session.
One subscription covers the entire book-creation pipeline.
Research, writing, editing, and cover design, all connected.
Amazon research shows what sells before you write a word.
Author Persona keeps tone locked. Context stacking maintains coherence at 50K+ words.
The real cost of publishing a book
See how the numbers stack up across three approaches.
| Going Solo with AI | Hiring Professionals | CoWriter Ink | |
|---|---|---|---|
| Manuscript | $20–200/mo + hours of effort | $500–$1,500 per book | Built in · Full manuscript |
| Editing | Manual self-editing | $200–$500 separate hire | Built In · 8 Specialized Editing Agents |
| Book Cover | Basic image generators | $100–$400 per cover | Built in · Book Cover Studio |
| Description | Generic, not optimized | $50–$150 per listing | Built in · Amazon-optimized |
| Total Cost | $20–200/mo + your time | $1,000–$2,500+ per book | From $19/mo |
| Time to Publish | Weeks of assembly | 2–6 months | Under 2 hours |
Built for anyone who wants to publish
KDP Publishers
Scale your catalog without scaling your costs. Generate multiple books per month with consistent quality. Test niches fast with data-driven research.
- ✓Scale content production
- ✓Test niches with real data
- ✓Reduce per-book cost dramatically
Expert Authors
Turn your expertise into a published book. Consultants, coaches, doctors, and professionals can build authority with a book that sounds like them, not a robot.
- ✓No writing experience needed
- ✓Professional output in hours
- ✓Build credibility and authority
Fiction WritersComing Soon
Coming soon: character tracking, world-building, beat sheets, and series continuity. The full fiction pipeline from concept to published novel.
- ✓Character and world bible
- ✓Genre-aware generation
- ✓Series continuity tracking
Everything you need to publish
The complete toolkit. One honest price.
Starter
Perfect for your first book
400 Book Credits/mo
~2 books + 15 cover credits
- ✓400 Book credits/month (~2 books)
- ✓15 cover credits/month
- ✓AI manuscript generation
- ✓Market research
- ✓Title & outline generator
- ✓Author persona builder
- ✓3 editing agents
- ✓DOCX export
Pro
For serious KDP publishers
1,000 Book Credits/mo
~5 books + 30 cover credits
- ✓1,000 Book credits/month (~5 books)
- ✓30 cover credits/month
- ✓Everything in Starter
- ✓8 full editing agents
- ✓PDF export
- ✓Fiction mode (coming soon)
- ✓Priority support
Publisher
For volume publishing teams
2,400 Book Credits/mo
~12 books + 50 cover credits
- ✓2,400 Book credits/month (~12 books)
- ✓50 cover credits/month
- ✓Everything in Pro
- ✓Custom editing agent
- ✓Series bible (coming soon)
- ✓3 team seats
- ✓Dedicated support
All plans include a free tier to start. No credit card required. Cancel anytime.
Frequently asked questions
ChatGPT is a general-purpose chatbot. CoWriter Ink is a purpose-built book creation pipeline. Every step is designed specifically for book publishing. You get consistent voice across 50,000+ words, structured outlines, Amazon-optimized titles, and KDP-ready formatting. No copy-pasting between prompts, no losing context, no manual assembly.
CoWriter Ink uses an Author Persona system that captures your unique voice, including your tone, warmth, authority, and energy level. Every chapter is generated using this persona, so the output reads consistently like you wrote it. You can also edit any section directly in the built-in editor.
A full 50,000-word nonfiction book can be drafted in under 2 hours, from idea to downloadable DOCX. That includes market research, title generation, outline, full manuscript, and book description. Editing and polishing adds more time, but the heavy lifting is done fast.
No. CoWriter Ink guides you through every step. You provide the topic, audience, and tone. The AI handles the structure, research, and writing. First-time authors and experienced publishers both use the same pipeline.
CoWriter Ink is optimized for nonfiction: business, self-help, how-to, health, finance, history, and education. Fiction support with character tracking and world-building is coming soon.
The DOCX export is formatted for KDP, but the same file works for IngramSpark, Draft2Digital, Apple Books, and any platform that accepts Word documents.
Absolutely. Every chapter opens in a full rich text editor. You can edit any word, sentence, or paragraph. You can also regenerate individual chapters without affecting others. The AI assists, you control.
Your projects and all generated content remain accessible. You can still view and export everything. You just cannot create new books or generate new content until you resubscribe.
Your next book is one click away
Stop spending months and thousands of dollars. Start your first book today, completely free.
Start Your First Book FreeNo credit card required. Free tier included.