Source-based writing partner for research, writing, citing and polishing
Turn Substack articles into viral social posts
Stage
Not given
Startup
Founded
Not given
2025
Based in
GB
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan includes limited daily AI output, AI commands, unlimited source finder, unlimited citation tool and formatting, AI companion, and AI detector. Paid plan starts from $7.9 per month if billed annually (60% savings), offering unlimited AI outline and drafting, unlimited AI output and commands
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
Draft Builder - structure papers with AI-generated outlines based on assignment details
Paragraph Copilot - brainstorm and develop ideas to overcome writer's block
AI Detector - highlights text that may seem AI-generated
Plagiarism Checker - identifies accidental plagiarism and areas needing citation
Citation Formatting - formats citations in APA, MLA, Harvard and other formats
Text Autosuggestion - context-aware suggestions while writing to overcome writer's block
Text Humanizer - improve authenticity and personal voice in writing
TYPE-FORMULA pipeline that extracts insight types (diagnostic, wisdom, contrarian, data-backed, framework, story) and applies viral structures
Knowledge Bank to store, browse, and reuse extracted insights
10+ viral formula structures including parallel repetition, conditional framework, and bridge analogy
Chrome extension for scheduling posts directly to Substack
Rich-text editor with HTML and plain text export
MCP integration for Claude and Cursor
Automatic article URL processing from published or draft posts
Priority processing for paid plan users
What makes it different
Source-based AI partner that writes with you, not instead of you
Built-in integration with 10M+ academic sources from legitimate libraries
Designed specifically for Substack writers with formulas trained on viral patterns
Two-stage TYPE-FORMULA process instead of generic AI summarization
Knowledge Bank compounds over time as more articles are processed
From URL to scheduled post in minutes with no copy-paste needed
Litero AI
Quick Viral Notes