Quick Viral Notes vs GramBook
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Quick Viral Notes compared with GramBook
| Detail | 
Quick Viral Notes | 
GramBook |
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| What it does | Turn Substack articles into viral social posts
| Translate one thought into ten social media dialects, running locally on your phone with no account or cloud.
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| Stage | Startup
| Not given
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| Founded | 2025
| Not given
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| Based in | Not given
| US
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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: 1 rewrite per day. GramBook Unlimited: $1.99 a week or $42 a year.
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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
| - Runs entirely on device with no cloud or servers
- Unlimited regeneration to get different versions
- Works in airplane mode
- Exports rewrites as customizable meme cards
- Supports 16 languages with Apple Intelligence
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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
| - Keeps all text local on your device with zero cloud processing or data transmission
- Generates platform-specific content for each social network simultaneously
- Free tier with one daily rewrite and no account setup
- Works offline in airplane mode without any account or subscription
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +2 (up) since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 15 | 22 |
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| Referring domains (Majestic) | 5 | 11 |
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5 details filled in for both companies.
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