First Book AI vs Grimo

Comparing the features of First Book AI to Grimo

Feature
First Book AI
Grimo

Capability Features

Access Control
Advanced Security
AI Book Agent
Async Collaboration
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Cancel Any Time
Community Templates
Content Ownership
Early Access MCP Servers
Edit Content
Express Ideas Freely
File Integration
Full-Length Book Generation
GrimoAI Writes With You
Guided Book Creation
No Add-ons Required
No Training on User Data
Organizational Workspace
Priority Support Team
Pro Plan Unlimited Docs
Prompt Generation and Improvement
Prompt Management
Publish on Amazon KDP
Quick Access
Real-time Collaboration
Reddit Integration
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Setup Call Included
Starter Plan LLM Access
Step-by-step Guidance
Step-by-Step Questionnaire
Support Response Time Team
Within one business day
Team Use
Voice Input Support
Web Search

Integration Features

EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
Google Docs Export
Supported AI Models
OpenAI o3Gemini 2.5 ProClaude 3.7 SonnetDeepSeekAnthropic

Limitation Features

Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No Plugin Support
Plagiarism Responsibility
User responsibility
Starter Plan Document Limit
1

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
Monthly Price
$16/month
No Monthly Fees
No Subscription
One Time Payment
Refund Policy Duration
14-day money-back guarantee
Team Plan Price
$32/month
Yearly Discount
Save 20%