First Book AI vs Retain AI

Comparing the features of First Book AI to Retain AI

Feature
First Book AI
Retain AI

Capability Features

AI Book Agent
AI Email Generation
Automated Scheduling
Automated Winback Campaigns
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Campaign Types
DiscountsWin-back emails
Content Ownership
Conversion and Revenue Tracking
Custom Image in Email
Data Access - Customer Info
Nameemail addressphone numberphysical addressgeolocationIP addressbrowseroperating system
Data Access - Store Data
Customersproductsordersdiscountslocales
Data Access - Store Owner Info
Nameemail addressphone numberphysical address
Edit Content
Email Marketing
Full-Length Book Generation
Guided Book Creation
Individual Promo Code
Managing Campaigns
AI generationAutomations
No Training on User Data
Pause Any Time
Personalized Email Writing
Preview Emails
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
Supported Languages List
English
Team Use

Integration Features

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

Limitation Features

Current Languages
English only (as of now)
Limited to Email Marketing
Manuscript Length Target
≈30k–35k words
No API Access
No API Mentioned
No Plugin Support
No Support for Other Ecommerce Platforms
Plagiarism Responsibility
User responsibility
Shopify Platform Required

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 Until First Conversion
Growth Plan Email Limit
500
Growth Plan Price
$49/month
No Monthly Fees
No Subscription
One Time Payment
Recurring Billing Cycle
Every 30 days
Refund Policy Duration
14-day money-back guarantee