Free: 4,000 daily credits (approximately 2-3 emails per day), or 30-day Premium trial. Premium: $9.90/month (unlimited emails) or $81.90/year (25% savings).
Free trial: 7 days with 500 KI-Credits, no credit card required. Pro: $20/month ($16.67/month billed yearly) with 2,000 KI-Credits per month. Scholar: $60/month ($50/month billed yearly) with 6,000 KI-Credits per month, team of 6 people included, additional seats $10/person/month. KI-Credit packages
Key features
Analyzes incoming emails and generates personalized response suggestions
Adjusts tone based on context and intention
Smart mode requires minimal input from user
Works with Gmail and Outlook
Chrome extension integration
Supports email creation from scratch with context input
Daily credit system for free users
PDF and EPUB reader with highlighting and annotations
Automatic source attribution for notes
Support for 10,000+ citation styles including APA, IEEE, GB/T 7714
AI-assisted writing from verified sources
Import from Zotero, BibTeX, and RIS
Import notes from Obsidian Vault and Notion
Real-time collaboration with role-based permissions
Infinite whiteboard for visual thinking and organization
What makes it different
Specialized focus on professional email writing rather than generic AI writing
Context-aware and context-specific response generation
Easy-to-use interface designed for professionals
Immediate data deletion for privacy protection
Unified workflow from reading to submission with traceable source attribution for every statement
Persistent knowledge tree that grows across projects, with AI-powered connection discovery
AI writing that only drafts from user's own verified sources, maintaining research integrity
Repurpose sourced notes into posters, slides, infographics without re-typing
Offline writing with automatic synchronization across devices and team members