First Book AI vs Writefull X

Comparing the features of First Book AI to Writefull X

Feature
First Book AI
Writefull X

Capability Features

Academic Text Support
AI Book Agent
AI-Powered
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Content Ownership
Copy and Paste
Data Encryption
Edit Content
Focused on Academic Writing
Full-Length Book Generation
Guided Book Creation
Multiple AI Writing Widgets
No Data Storage
No Training on User Data
Priority Support Team
Publish on Amazon KDP
Quick Access
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Setup Call Included
Step-by-step Guidance
Step-by-Step Questionnaire
Support Response Time Team
Within one business day
Team Use
Text Formalization

Integration Features

EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
Google Docs Export
Writefull for Overleaf Integration
Writefull for Word Integration

Limitation Features

Character Limit Free
2000
Current Languages
English only (as of now)
Fair Use Policy
Manuscript Length Target
≈30k–35k words
No API Access
No Export Formats Mentioned
No Mention of API Access
No Plugin Support
Plagiarism Responsibility
User responsibility

Pricing Features

1 Book Plan
$19 one-time
10 Books Plan
$129 one-time
3 Books Plan
$47 one-time
30-Day Money Back Guarantee
50 Books Plan
$449 one-time
Book Credit Bundles
1 Book – $193 Books – $4710 Books – $12950 Books – $449
Free Tier
No Monthly Fees
No Payment Required
No Subscription
One Time Payment
Refund Policy Duration
14-day money-back guarantee