Writing / Comparison
AIWriteBook vs Grammarly
- AIWriteBook: from $12 a month, free plan yes. Grammarly: from $12 a month, free plan yes. Plans differ, so check what each price includes.
| AIWriteBook Plan, write, edit, format and publish books with AI | Grammarly A writing assistant for grammar, clarity, tone and rewrites | |
|---|---|---|
| Starting price | From $12 a month | From $12 a month |
| Free plan | Yes | Yes |
| Pricing in detail | Free plan with 100 credits. Plus is $12 a month, Pro $30 and Ultra $120, billed yearly. Also sold on AppSumo. | Free plan. Pro is $12 per member a month billed annually, or $30 billed monthly. |
| User rating | No reviews yet | No reviews yet |
| Company | AIWriteBook | Superhuman Platform |
| Works with | Amazon KDP, IngramSpark, Draft2Digital, OpenRouter | Google Docs, Microsoft Office, Chrome, Safari, Microsoft Edge |
| Facts checked on | 20 Oct 2026 | 12 Oct 2026 |
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