Cmd J AI Assistant vs First Book AI

Comparing the features of Cmd J AI Assistant to First Book AI

Feature
Cmd J AI Assistant
First Book AI

Capability Features

AI Book Agent
Boilerplate Code Generation
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Browser Shortcut Activation
Code Explanation
Code Syntax Suggestions
Content Generation and Editing
Content Ownership
Contextual Suggestions
Debugging Assistance
Direct Answers
Draft Generation
Edit Content
Full-Length Book Generation
Grammar and Tone Refinement
Guided Book Creation
Natural Language Processing
No App Dependency
No Fixed Script or Template
No Training on User Data
Popup Interface
Powered by ChatGPT-4
Priority Processing (Paid)
Priority Support Team
Product Description Variations
Publish on Amazon KDP
Quick Access
Rewording for Clarity
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Setup Call Included
Step-by-step Guidance
Step-by-Step Questionnaire
Summarization
Support Response Time Team
Within one business day
Team Use
Works in Any Tab

Integration Features

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

Limitation Features

Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No Dashboard
No History Archive
No Multi-Platform Integration
No Plugin Support
Plagiarism Responsibility
User responsibility
Prompt Limit (Free)
fewer prompts
Speed Limitation (Free)
slower speeds

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 Subscription
One Time Payment
Paid Plans
Refund Policy Duration
14-day money-back guarantee