AI writing toolkit for humanizing, detecting, and refining AI-generated text
Turn Substack articles into viral social posts
Stage
Not given
Startup
Founded
2023
2025
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Free tier available for all tools. Paid plans: Lite $4.99/monthly (5000 humanizer words, 2500 paraphraser words), Pro $12.49/monthly (25000 humanizer words, 12500 paraphraser words), Unlimited $29.99/monthly (unlimited humanizer and paraphraser words). Yearly plans available at 50% discount.
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
Free tier with no registration required
File upload capability for humanizer and paraphraser
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
Custom non-AI algorithms instead of AI refining AI
Achieves average AI score under 5% after humanization
37% better detection results than competitors
Human-first approach that supports rather than replaces human thinking
Ethical stance against cheating and academic dishonesty
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
GPTinf
Quick Viral Notes