Your voice, kept yours, wherever AI writes or speaks for you
Turn Substack articles into viral social posts
Stage
Not given
Startup
Founded
Not given
2025
Based in
AU
Not given
Pricing model
Freemium
Freemium
Pricing
Free: A$0/month with 10 rewrites per month and 1 voice. Pro: A$11.99/month with 150 rewrites per month (currently on waitlist). Studio: A$34.99/month for up to 5 clients, each with their own voice, 300 rewrites per month, and client approval pages.
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
Rewrite drafts in your voice while keeping facts, numbers and dates unchanged
Measure drafts for stock phrases, rhythm, word choice and punctuation
Save and learn from your writing style with every correction
Studio: save a voice per client with approval pages
Free Score tool with no signup required
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
Automatically flags when rewrites drop or add numbers, dates or names without user approval
Learns from your corrections to improve rewrites over time
Preserves formality level and register while removing template phrases
Works across text, audio and visual formats with consistent voice
Built on published research and test results
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
Sealis
Quick Viral Notes