Side by side
AIWriteBook vs First Book AI
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Write, design, and publish your book - idea to KDP in hours
Write your first business book in minutes, not years
Primary task
Book writing
Book writing
Pricing
Freemium · Free + from $12/mo
Freemium · Free + from $19
Pricing details
Free + from $12/mo
Free + from $19
Billing cycle
Monthly
One-time
API access
Not documented
Not documented
Platforms
Web, Android
Web
Integrations
Not documented
Make
Source rating
4.8 / 5 · 54 ratings
4.3 / 5 · 6 ratings
Catalog views
34k
31k
Estimated monthly traffic
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Catalog imported
31 Aug 2026
30 Aug 2026
Listed strengths
- Beginner and Professional friendly
- Book generation with AI
- Writing in your Tone of Voice
- KDP E-book and Physical publishing
- Fiction book generation flow
- Guided book authoring process
- Outlining and structuring assistance
- No previous writing experience needed
- Accelerated writing process
- Step-by-step writing and publishing assistance
Listed limitations
- No offline mode
- Lacks API integration
- Specializes in only writing
- No voice-to-text feature
- Cannot generate more than 1000 pages-books
- Limited formatting options
- No real-time collaboration
- Single language support
- Lacking advanced analytics
- Doesn't support all book genres