Jetwriter AI vs Kerlig™ AI Writing App for Mac

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

Feature
Jetwriter AI
Kerlig™ AI Writing App for Mac

Capability Features

Ask Me Anything
Brainstorming
Built-in Actions
ProofreadWrite Slack repliesChat with documentsFix spelling and grammarImprove writingSummarizeMake shorterConvert to TypeScript interfaceYouTube Script CreatorCareer coachSimplify
Chat History Availability
Chat Interface
Chat with Page
Citations in Output
Custom Actions
Custom Tone of Voice
Data Encrypted In-Transit
Data Not Shared
Document Attachments
Edit Messages
Fix Grammar
Grammer Correction
Headless Mode
High Quality Responses
Launch by Selecting Text
Launch from Extension Icon
Launch via Shortcut
Lightweight Extension
< 1MB
Multi-step Research
Native macOS App
No Data Used for AI Training
On-device Data Storage
Personalized AI Profile
Preset Customization
Prompt Templates
Reasoning Models
Regenerate Responses
Research
Response Length Control
Select Text and Right-Click
Shortcuts & Hotkeys
Summarization
Supported Languages
Supported Writing Styles
Switch AI Models
Team Deployment via CLI
Translation
Write Emails
Writing Improvement

Integration Features

AI Model Access
GPT-5Claude SonnetGemini ProChatGPTDeepSeekGemini FlashGPT-5 mini
Attachment Types
DocumentsEbooksImages
Local Model Operation
Apple Foundation ModelsOllamaLM Studio
Multiple AI Provider Integration
Apple Foundation ModelsOpenAIAnthropicGoogle GeminiGroq CloudOllamaOpenRouterx AIPerplexityLM StudioMistralAmazon Bedrock
Number of Supported Models
350
Popular Site Integrations
GmailLinkedInFreshdeskZoho
Supported Platform
Chrome ExtensionWeb AppMobile
Third Party App Support
SlackJiraEmail (generic)
Web App

Limitation Features

API Key Support
Extension Not Supported on All Browsers
Limited to Mac Platform
macOS Support
Apple Silicon & Intel, macOS 12+
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 Tier
Lifetime Updates
No Subscription Required
Pro License Price
$79 (October Deal, reg. $467)
Pro License Seats
2
Refund Policy Duration
14-day money back guarantee
Team License
$297/once
Team License Seats
10