First Book AI vs Superinbox

Comparing the features of First Book AI to Superinbox

Feature
First Book AI
Superinbox

Capability Features

AI Book Agent
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Calendar Integration
CASA Tier 2 Compliance
Content Ownership
Context-aware Drafting
Custom Organization Rules
Draft Email Replies
Edit Content
Email Organization
Full-Length Book Generation
Guided Book Creation
No New Interface
No Setup Required
No Training on User Data
Priority Support Team
Publish on Amazon KDP
Quick Access
Real-Time Processing
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
Upload Docs for Drafts
Writing Style Adaptation

Integration Features

API Integrations
Desktop Platform Support
EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
File Format Support
Not specified
Google & Microsoft Partner
Google Docs Export
Integrates with Gmail
Microsoft Outlook Integration
Mobile Platform Support
Supported Email Clients
GmailOutlook
Web Platform

Limitation Features

Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No Email Storage
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 Subscription
One Time Payment
Pricing Information
Refund Policy Duration
14-day money-back guarantee