| What it does | Your copywriting assistant for Claude, ChatGPT and Cursor that gives your AI the method for each piece and reviews every draft.
| Turn Substack articles into viral social posts
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Basic: $9/month or $90/year. Complete: $29/month or $290/year. 14 days free trial on either plan. Complete includes 1,500 credits per month that roll over for up to 3 months (up to 4,500 total). Credit packs available for additional usage.
| Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
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| Key features | - Write with method for different content types (ads, pages, emails, posts, stories, offers)
- Review drafts for AI voice, claims without proof, and missing CTAs before publishing
- Save and reuse business brief (offer, buyer, voice, proof) across chats
- SEO audit of live pages with on-page rules and AI search readiness
- Check whether AI assistants cite your site versus competitors
- Crawl sites up to 100 pages for SEO analysis
- Identify unsourced claims, fake urgency, and ad policy violations
- Unlimited use on Basic plan, no usage cap for writing and reviews
| - 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
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| What makes it different | - No new app—works as a connector in the AI assistants you already use
- Review checks every draft against your brief before you see it, fixing AI voice automatically
- Engines measure against real results: live pages, AI citations, winning pages and ads in your niche
- Five-minute setup, no technical skills needed; one connector URL in Claude and ChatGPT
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 13 ▲ +1 (up) since last check | 10 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 16 | 15 |
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| Referring domains (Majestic) | 12 | 5 |
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Copix
Quick Viral Notes