Best AI Book Writing Software in 2026: 8 Options Compared
- 1
Sudowritefiction writers beating drafts blocksVisit - 2
Novelcrafternovelists planning long storiesVisit - 3
Jasperauthors wanting marketing style draftsVisit - 4
Writesonicauthors wanting fast draft helpVisit - 5
Rytrwriters wanting low cost AI helpVisit
- Sudowrite fits fiction writers beating drafts blocks, with fiction focused brainstorm and draft tools as its main strength.
- Novelcrafter fits novelists planning long stories, with codex and plot planning for novels as its main strength.
- Jasper fits authors wanting marketing style drafts, with templates for many writing tasks as its main strength.
- Writesonic fits authors wanting fast draft help, with fast article and book draft tools as its main strength.
- Rytr fits writers wanting low cost AI help, with low cost with many tones as its main strength.
Quick comparison
| Product | Ideal for | Price from | Free version | |
|---|---|---|---|---|
| Sudowrite | fiction writers beating drafts blocks | See website | Free trial | Visit |
| Novelcrafter | novelists planning long stories | See website | Free trial | Visit |
| Jasper | authors wanting marketing style drafts | See website | Free trial | Visit |
| Writesonic | authors wanting fast draft help | See website | Free trial | Visit |
| Rytr | writers wanting low cost AI help | See website | Yes | Visit |
 Squibler | writers planning books chapter by chapter | See website | Free trial | Visit |
 NovelAI | fiction writers wanting story generation | See website | Free trial | Visit |
 Atticus | authors formatting books for publishing | See website | See website | Visit |
The best best ai book writing software
We compared official feature pages, pricing pages, app store listings, privacy policies, and public reviews to build this list of best ai book writing software options. Our pick for most people is the option that covers the core job well at a fair price, without forcing you into a plan you do not need. Read the notes for each product and match the best for line to your own situation.
Sudowrite
Ideal for: fiction writers beating drafts blocks
For readers weighing fiction writers beating drafts blocks, Sudowrite is a strong place to start. Its main strength is fiction focused brainstorm and draft tools, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that output needs heavy editing. That trade off is normal in this market, and it does not make Sudowrite a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Fiction focused brainstorm and draft tools
- Clear help pages and support options
- Regular updates from the vendor
- Output needs heavy editing
- Some features sit behind paid plans
Novelcrafter
Ideal for: novelists planning long stories
We put Novelcrafter on this list because it suits novelists planning long stories well. Its main strength is codex and plot planning for novels, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that learning curve for new writers. That trade off is normal in this market, and it does not make Novelcrafter a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Codex and plot planning for novels
- Regular updates from the vendor
- Works on common devices and browsers
- Learning curve for new writers
- Setup time varies by team size
Jasper
Ideal for: authors wanting marketing style drafts
Jasper earns its place here for authors wanting marketing style drafts. Its main strength is templates for many writing tasks, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that fiction depth is lighter than sudowrite. That trade off is normal in this market, and it does not make Jasper a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Templates for many writing tasks
- Works on common devices and browsers
- A track record in its market
- Fiction depth is lighter than Sudowrite
- Check current pricing before you commit
Writesonic
Ideal for: authors wanting fast draft help
If authors wanting fast draft help is your main need, Writesonic deserves a close look. Its main strength is fast article and book draft tools, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that long book structure needs human control. That trade off is normal in this market, and it does not make Writesonic a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Fast article and book draft tools
- A track record in its market
- Clear help pages and support options
- Long book structure needs human control
- Limits apply on lower tiers
Rytr
Ideal for: writers wanting low cost AI help
Rytr stands out in this group for writers wanting low cost AI help. Its main strength is low cost with many tones, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that long form control is limited. That trade off is normal in this market, and it does not make Rytr a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Low cost with many tones
- Clear help pages and support options
- Regular updates from the vendor
- Long form control is limited
- Some features sit behind paid plans
Squibler
Ideal for: writers planning books chapter by chapter
Readers focused on writers planning books chapter by chapter will find Squibler easy to shortlist. Its main strength is chapter planning with ai help, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that smaller user base than leaders. That trade off is normal in this market, and it does not make Squibler a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Chapter planning with AI help
- Regular updates from the vendor
- Works on common devices and browsers
- Smaller user base than leaders
- Setup time varies by team size
NovelAI
Ideal for: fiction writers wanting story generation
NovelAI is worth your time if fiction writers wanting story generation matters most to you. Its main strength is story focused generation, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that interface takes learning. That trade off is normal in this market, and it does not make NovelAI a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Story focused generation
- Works on common devices and browsers
- A track record in its market
- Interface takes learning
- Check current pricing before you commit
Atticus
Ideal for: authors formatting books for publishing
Among the options here, Atticus fits authors formatting books for publishing best. Its main strength is book formatting for print and ebook, and that matters because it shapes the day to day experience more than a long feature list does. We checked the vendor site and public reviews for this, and we found the same point raised again and again, which gave us confidence to include it here. The honest catch is that ai drafting is not its focus. That trade off is normal in this market, and it does not make Atticus a poor choice, but it does mean you should test the exact workflow you care about before you pay. Use a free plan or trial where one is offered, and check pricing, limits, and support terms on the vendor site.
- Book formatting for print and ebook
- A track record in its market
- Clear help pages and support options
- AI drafting is not its focus
- Limits apply on lower tiers
How we picked these
We started from the topic itself and asked which products truly fit it, then we checked each vendor homepage to confirm the product exists and works in October 2026. We compared official feature pages, pricing pages, app store listings, privacy policies, and public reviews, and we dropped products we could not confirm. We did not claim hands on testing that did not happen, and we did not invent prices, ratings, or user counts. We favoured a mix of well known leaders and strong smaller options, and we weighed fit for the stated use, clarity of pricing, and honest weaknesses. Where a price could not be confirmed from the vendor site, we wrote See website rather than guessing. That approach keeps the list useful even when vendors change plans during the year.
What to check before you choose
Match the tool to your main job
Write down the one job you need done most weeks, then test that job first in any trial. A tool that looks strong on paper can still fail on the small step you repeat daily, such as importing files, sharing with a teammate, or exporting a report. Shortlist two or three options, run the same task in each, and keep notes on time taken and friction felt. That simple test beats a long feature comparison, and it also shows whether support replies fast when you get stuck.
Check the total cost, not just the headline price
Monthly prices often assume yearly billing, and team plans add cost per user, so add up the full year for your real team size. Look for limits on users, projects, storage, or exports, and check whether key features sit on a higher tier. If a vendor lists See website for pricing, ask for a written quote before you budget, and confirm what happens to your data if you cancel. A clear exit path matters as much as a low starting price.
Check privacy, support, and fit for your team
Read the privacy policy for data use, retention, and sharing, and check whether the vendor offers support in your time zone and language. For team tools, ask who controls admin settings and how new users are added, since a messy setup can slow adoption for weeks. Finally, confirm device support for the phones and computers your team actually uses, because a tool that only works well on one platform will frustrate half your group.
Frequently asked questions
What is the best best ai book writing software for beginners?
Start with the option whose free plan or trial lets you test the core workflow first. Beginners often do best with a simple interface and clear help pages, rather than the tool with the most features. Try one or two options for a week before you pay.
Is there a free best ai book writing software option?
Yes, several options on this list offer a free plan or a free trial, though limits apply. Free plans usually cover core features and cap usage, users, or exports. Check the pricing page for the exact limits before you rely on a free plan for daily work.
How much does best ai book writing software cost?
Prices vary by plan, team size, and billing term, so we list See website where a price could not be confirmed from the vendor page at writing time. Paid plans usually add team controls, reports, or higher limits. Compare the total yearly cost, not just the monthly headline, before you commit.
Can I switch best ai book writing software later?
In most cases, yes, but switching costs time because you must move data, retrain users, and rebuild any integrations. Export your data early and test imports before you cancel an old plan. Keep a backup of key records so nothing is lost in the move.
Which best ai book writing software should most people pick?
Our pick for most people is the option that covers the core workflow well without forcing a large contract. That usually means a clear free or trial start, solid support, and pricing that grows with your team. Read the product notes above and match the best for line to your own situation.