First Book AI vs Lightkey

Comparing the features of First Book AI to Lightkey

Feature
First Book AI
Lightkey

Capability Features

AI Book Agent
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Content Ownership
Edit Content
Full-Length Book Generation
Guided Book Creation
Industry Domains
60
No Cloud Submission
No Training on User Data
Offline Mode
Personalized Predictions
Prediction Length
18
Predictive Typing
Priority Support Team
Publish on Amazon KDP
Quick Access
Real-time Correction
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Security
Setup Call Included
Spelling Correction
Step-by-step Guidance
Step-by-Step Questionnaire
Support Response Time Team
Within one business day
Team Use
Unlimited Predictions (Pro)

Integration Features

Browser Extension
ChromeEdge
EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
Google Docs Export
Microsoft Office Integration
WordPowerPointOutlook
Office 365 Support
Web App Integrations
LinkedInTwitterFacebookRedditWhatsAppSlackMessengerQuoraGmailOutlook MailYahooAol. MailAsanaMondayTrelloNotionChatGPTSalesforceMediumJIRA
Windows Support

Limitation Features

Basic Plan Feature Limitations
Limited predictions and features
Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No Plugin Support
Plagiarism Responsibility
User responsibility
Platform Limitations
Windows only
Supported Languages List
Not specified

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
Free Trial
No Monthly Fees
No Subscription
One Time Payment
Pro Plan
Refund Policy Duration
14-day money-back guarantee