Cowrite vs Kerlig™ AI Writing App for Mac

Comparing the features of Cowrite to Kerlig™ AI Writing App for Mac

Feature
Cowrite
Kerlig™ AI Writing App for Mac

Capability Features

Accept/Reject AI Edits
Access Templates
AI Assistant Editing
Built-in Actions
ProofreadWrite Slack repliesChat with documentsFix spelling and grammarImprove writingSummarizeMake shorterConvert to TypeScript interfaceYouTube Script CreatorCareer coachSimplify
Chat History Availability
Chat Interface
Citations in Output
Citations Management
Custom Actions
Custom Tone of Voice
Data Privacy
Document Attachments
Edit Messages
Headless Mode
LaTeX Formatting Automation
Multi-step Research
Multiple LLM Suggestions
Native macOS App
No Data Used for Training
On-device Data Storage
Permanent Project Deletion
Premium Model Option
o3Gemini 2.5 ProClaude 4
Preset Customization
Pro Plan Compile Time
Unlimited Compile Time
Pro Premium Model Access Multiplier
20× More Access
Project History and Restore
Real-Time Collaboration
Reasoning Models
Regenerate Responses
Seamless Collaboration Features
Shortcuts & Hotkeys
Team Deployment via CLI
Unlimited Projects
Version Control
Write in Plain Language

Integration Features

Attachment Types
DocumentsEbooksImages
LaTeX Export
LaTeX Import
Local Model Operation
Apple Foundation ModelsOllamaLM Studio
Multiple AI Provider Integration
Apple Foundation ModelsOpenAIAnthropicGoogle GeminiGroq CloudOllamaOpenRouterx AIPerplexityLM StudioMistralAmazon Bedrock
Number of Supported Models
350
Third Party App Support
SlackJiraEmail (generic)

Limitation Features

API Key Support
Free Plan Compile Time
Long Compile Time
Limited to Mac Platform
macOS Support
Apple Silicon & Intel, macOS 12+
No Credit Card Needed
No Vendor Lock-in
Product in Development
Token Costs Not Included

Other Features

Support Response Time
24h email support
Support Response Time Team
Priority Zoom & email support

Pricing Features

App Updates Period
Lifetime (October Deal) or 1 year
Basic License Price
$49 (October Deal, reg. $247)
Basic License Seats
1
Free Plan Collaborator Limit
4
Free Plan Project History
3-Day Project History
Free Tier
Lifetime Updates
No Subscription Required
Pro License Price
$79 (October Deal, reg. $467)
Pro License Seats
2
Pro Plan Collaborator Limit
8
Pro Plan Project History
30-Day Project History
Pro Tier Price
$20/month
Refund Policy Duration
14-day money back guarantee
Team License
$297/once
Team License Seats
10