Starter: $39/month with 250 monthly credits and one site. Pro: $79/month with 750 monthly credits and unlimited sites. Top-up credits cost $0.15 each and start at 250 credits.
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
Keyword and topic research grounded in live search data
AI article writing in multiple formats (guide, how-to, listicle, comparison)
YouTube video to blog post conversion
Brand voice training from your existing content
Automatic internal linking to your own pages
AI-generated images in your chosen style
Multi-language content creation (50+ languages)
Publishing to WordPress, Ghost, Shopify, Framer, or webhooks
Search Console monitoring and ranking optimization
Automated publishing campaigns with credit caps and cadence control
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
Continuous optimization loop that improves pages after publishing based on actual search performance
Full editorial control with all articles as drafts until you approve publication
Articles start from live research with inspectable sources, not blank prompts
Flexible credit system lets you allocate budget to research depth, images, or edits based on your priorities
Voice rules learned from your edits automatically improve future drafts
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
Kitful
Quick Viral Notes