First Book AI vs Linguix

Comparing the features of First Book AI to Linguix

Feature
First Book AI
Linguix

Capability Features

AI Book Agent
AI Writing Assistant
Automatic Language Detection
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Browser Extensions
Content Ownership
Content Quality
Custom Shortcuts
Dynamic Team Management
Edit Content
Employee Writing Activity Reports
Full-Length Book Generation
Guided Book Creation
Millions of Sites Support
Multilingual Grammar Check
EnglishFrenchGermanSpanishPortugueseItalianPolish
No Training on User Data
Priority Support Team
Proofreading Average Score
9.2
Publish on Amazon KDP
Quick Access
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Setup Call Included
Setup Ease Score
9.1
Step-by-step Guidance
Step-by-Step Questionnaire
Style Guide
Support Quality Score
8.9
Support Response Time Team
Within one business day
Team Onboarding and Roles
Team Use
Text Rewriting
Turbo App for Shortcuts
Web Editor

Integration Features

EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
Figma Integration
Google Docs Export
Platform Integration
GmailGoogle DocsOpen.aiCanvaFigma
Supported Browsers
Google ChromeEdgeAll browsers

Limitation Features

Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No Explicit File Format List
No Mention of API
No Mobile App
No Plugin Support
Plagiarism Responsibility
User responsibility

Other Features

User Base
310000

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
Lifetime Deal
No Monthly Fees
No Subscription
One Time Payment
Refund Policy Duration
14-day money-back guarantee