Compare Authr
How Authr stacks up against the tools writers use. Where another tool is the better fit, we say so.
| Feature | Authr | Sudowrite | Novelcrafter | Scrivener | Atticus | Dabble | Plottr | Squibler | NovelAI | Reedsy Studio | Campfire | World Anvil | LivingWriter | Google Docs | ChatGPT | Claude | ProWritingAid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Starts at | Free | $19/mo | $4/mo | $59.99 once | $147 once | $15/mo | $60/yr | Free | $10/mo | Free | Free | Free | Free | Free | Free | Free | Free |
| Free plan | Trial | Trial | Trial | – | Trial | Trial | Trial | ||||||||||
| AI built in | Own key | – | – | – | – | – | – | – | Paid | ||||||||
| AI editors in roles | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| Edits you accept or reject | – | – | – | – | – | – | – | – | – | – | – | – | Partly | – | – | Partly | |
| Story bible | Partly | – | Partly | Partly | – | – | – | – | |||||||||
| Relationship map | – | Partly | – | – | – | Partly | – | – | – | – | – | – | – | – | |||
| Timeline | – | Partly | – | – | – | – | – | – | – | – | – | – | – | ||||
| Corkboard or plot grid | Partly | – | – | – | Partly | Partly | – | – | – | – | |||||||
| Works with Claude & ChatGPT | – | – | – | – | – | – | – | – | – | – | – | – | – | n/a | n/a | – | |
| Co-writers | Partly | – | Partly | – | Partly | Partly | – | ||||||||||
| Works offline | – | – | – | – | – | – | – | – | – | ||||||||
| EPUB export | – | – | – | – | – | – | – | – | – |
Checked 4 November 2026. Prices change; follow each comparison for sources and detail.
AI writing tools
Writing apps without AI
Questions
What's the best AI book writing software?
It depends on how you want AI involved. If you want a model to generate prose for you, Sudowrite or Squibler. If you want to bring your own key and local models, Novelcrafter. If you want agents that review, suggest and check continuity inside the manuscript while you approve every change, and to connect Claude Code or Cursor, that's what Authr is built for.
Is there a free alternative to Sudowrite and Novelcrafter?
Authr's Free plan includes every feature, unlimited books and about 15 in-app agent tasks a month, and agents you connect over MCP are unlimited.
Which writing apps have an MCP server?
As of 4 November 2026, Authr is the only book-writing app we found with an official MCP server, REST API and webhooks for working on a manuscript. Some tools, like Scrivener and World Anvil, have community-built MCP servers.