Authr vs ProWritingAid
ProWritingAid is a deep self-editing toolkit: style reports, story critique and a virtual beta reader, plugged into Word, Docs or Scrivener. Here is how Authr compares.
Choose ProWritingAid if…
…you want detailed reports inside Word, Docs or Scrivener.
Choose Authr if…
…you want the editing to happen in the same place as the writing and planning.
Authr vs ProWritingAid at a glance
| Authr | ProWritingAid | |
|---|---|---|
| What it is | Agent-first book-writing app: manuscript, story bible and a team of AI agents in one place | Editing and critique toolkit |
| Platform | Web, on any computer or phone browser | Desktop editor, browser extensions, integrations |
| Price | Free; Pro $19/month ($190/year); Studio $49/month ($490/year) | Premium and Premium Pro, monthly, yearly or lifetime |
| Free plan | Yes, your first book with every writing tool | Yes |
| AI | Seven built-in agent roles plus custom ones; any external agent too | Built in (critique, rephrase, beta reader) |
| Your own AI key | No keys needed. On Pro, bring your Claude or ChatGPT | No |
| API | Yes, full REST API on Pro | No public API found |
| MCP server | Yes: work from Claude and ChatGPT on Pro | No |
| Story bible | Codex with automatic mention tracking | Outline Crafter on Premium |
| Relationship map | Yes, relationship graph | No |
| Timeline | Yes | No |
| Collaboration | 2 collaborators on Pro, 9 on Studio, unlimited beta readers | Community critiques on Premium Pro |
| Export | Word and Markdown; EPUB and print PDF on Pro | Works inside your existing editor |
ProWritingAid details checked 4 November 2026 from its own website where it would load. Prices change; check ProWritingAid for the latest. Spot something out of date? Tell us at support@authr.shop.
Where ProWritingAid is stronger
- 25+ detailed line-editing reports and a custom style guide.
- Plugs into the editor you already use.
- A lifetime licence option.
Where Authr is different
- A full workspace (manuscript, codex, timeline, outline), not a checker on top of another app.
- Editorial agents that comment and suggest edits inside the book, and talk to each other.
- A REST API, MCP server and webhooks for your own agents.
Questions
What's the main difference between Authr and ProWritingAid?
ProWritingAid is a deep self-editing toolkit: style reports, story critique and a virtual beta reader, plugged into Word, Docs or Scrivener. Authr is a whole writing workspace where a Line editor, Reviewer and Beta reader work in the manuscript and leave changes for you to approve.
Does Authr have a beta reader?
Yes. The Beta reader agent reads like your audience and tells you where it got bored, lost or hooked, anchored to the passages.
Is Authr free?
Yes. The Free plan covers your first book with every writing tool and about 15 agent tasks a month. Pro is $19 a month and Studio $49.
Other comparisons
Try Authr next to ProWritingAid.
Free, with every feature. Import your draft and see what the agents make of chapter one.