Comparison
Wordhaven vs ProWritingAid, AutoCrit, Grammarly
Different tools for different problems. Here's where each one fits, and where Wordhaven goes further.
| Feature | Wordhaven | ProWritingAid | AutoCrit | Grammarly |
|---|---|---|---|---|
| AI-powered editing | ✓ | ✓ | ✓ | ✓ |
| 5 distinct editing passes | ✓ | ✗ | ✗ | ✗ |
| Simulated reader panel testing | ✓ | ✗ | ✗ | ✗ |
| Genre-aware tuning | ✓Fully tuned per genre | PartialStyle guide presets | PartialGenre presets | ✗ |
| Developmental / structural feedback | ✓ | Partial | Partial | ✗ |
| KDP-formatted export | ✓ | ✗ | ✗ | ✗ |
| Blurb / back-cover generator | ✓Studio tier | ✗ | ✗ | ✗ |
| Manuscript size limit | Full novels | Full novels | Full novels | 100k characters per session |
| Cheapest paid plan | $49.99/mo Author · $79.99/mo Pro | $10/mo (annual) | $30/mo | $12/mo (annual) |
Competitor information as of August 2026. We do our best to keep this current. If something has changed, let us know.
Why authors choose Wordhaven
Three reasons it's a different category.
One workflow, every pass
ProWritingAid and Grammarly run one kind of analysis over your whole manuscript. Wordhaven runs four focused editorial passes—developmental, line, copy, and final proof—so you fix structure before you polish prose.
Readers, not rules
A grammar checker tells you a sentence is technically wrong. A reader test tells you 40% of your romance readers won't finish, and gives you their reasons in their own words. Wordhaven is the only tool with the second one, and for indie authors trying to compete on KDP, it's the one that moves the needle.
Built for the indie author
KDP export. Blurb generator. Cover concept feedback. Predicted finish rate by reader segment. None of the alternatives ship with these because they aren't built for self-publishers. Wordhaven is. From idea seed to KDP-ready file.
One Quick Reader Test, $19. No subscription.