CapyBro vs Quick Viral Notes
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
CapyBro compared with Quick Viral Notes
| Detail | 
CapyBro | 
Quick Viral Notes |
|---|
| What it does | AI text improvement in one click via global hotkey for Windows
| 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 | UA
| Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free version: $0 forever. Pro version: $9 one-time payment (no subscription).
| Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
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| Key features | - Global hotkey text rewriting in any application
- Cloud AI via OpenRouter (GPT-4o, Claude, Gemini, Llama, DeepSeek, Mistral)
- Fully local AI via Ollama with zero network requests
- Unlimited custom prompts with dedicated hotkeys
- Local improvement history and operation tracking
- Privacy-preserving PII redaction for emails, phone numbers, and credit cards
- Diff preview to compare original vs AI result before applying
- Streaming responses to watch AI generation in real time
- Multilingual UI in English, Ukrainian, and Russian
- Native .NET 8 implementation without Electron
| - 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 | - Works in any application via global hotkey—Word, Outlook, VS Code, browsers, email clients—without window switching or copying
- Choose between cloud AI (OpenRouter) or fully local AI (Ollama) with full privacy and zero telemetry
- Free forever core with no subscription, no trial, and no nag screens; optional $9 one-time Pro upgrade
- Open-source code under MIT license allowing verification of program behavior and security
- Per-prompt model selection and separate hotkeys for different text tasks
| - 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) | 2 ▼ −1 (down) since last check | 10 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 20 | 15 |
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| Referring domains (Majestic) | 23 | 5 |
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5 details filled in for both companies.
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