| What it does | Turn Substack articles into viral social posts
| A writing teacher that reads your book: see what to work on in your chapters, learn why, and check your fix.
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| Stage | Startup
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| Founded | 2025
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
| Free plan includes the editor, rule-based chapter check, and lessons with 3 Coach reads, 20 Co-write requests, and 10 questions per month. Atelier plan: $21/month or $189/year (with 3 months free annually) includes 40 Coach reads, 250 Co-write requests, and 150 questions per month. Additional packs:
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| Key features | - 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
| - Rule-based chapter check for dialogue, continuity, point of view, prose and scene habits
- Findings anchored to your text with linked lessons
- Exercises on your own passage with re-check
- Three modes: Human only, Coach, or Co-write
- Authorship record tracking sources: typed, pasted, imported, or AI-generated
- Story bible for characters, places and facts over time
- Import from Word, PDF, Scrivener and other formats
- Version history for each chapter
- Export to Word, EPUB, PDF, Markdown and plain text
- Claude Sonnet 5.5 from Anthropic for AI features
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| What makes it different | - 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
- Credits never expire at your own publishing pace
| - Your writing is never used to train AI models
- Transparent authorship record shows exactly how each sentence arrived
- AI is optional and controlled per manuscript, with rule-based checks available free
- Interactive feedback loop with practice exercises before re-checking
- No API keys or token counting; simple per-action pricing
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▲ +2 (up) since last check | 18 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 15 | 19 |
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| Referring domains (Majestic) | 5 | 6 |
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Quick Viral Notes
Open Atelier