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CapyBro vs SuperEbook

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 SuperEbook
DetailCapyBro logo CapyBroSuperEbook logo SuperEbook
What it doesAI text improvement in one click via global hotkey for Windows AI ebook studio that writes books from your own notes, then exports publish-ready files
StageNot given Not given
FoundedNot given Not given
Based inUA Not given
Pricing modelFreemium Freemium
PricingFree version: $0 forever. Pro version: $9 one-time payment (no subscription). Free plan with 50 credits (covers approximately 2 lead magnets). Starter plan $19/month for 300 credits. Pro plan $39/month for 900 credits. Credit pack $20 one-time for 250 credits. Single book $9 to download one finished book's PDF, EPUB and DOCX. Lead magnet 25 credits ($1.58 on Starter, $1.08 on
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
  • Free book planning with title options and chapter outlines before writing
  • Write books from your own notes, transcripts, PDFs and course materials
  • Read and edit every chapter in the app before paying
  • Export as publish-ready PDF, EPUB and DOCX files
  • Full commercial rights to sell books anywhere
  • AI-generated coloring books with vector line art
  • Connect to Claude, ChatGPT and other AI apps via MCP
  • Web research integration while writing
  • Six cover design options per book
  • AI rewriting with accept/reject preview
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
  • Write from your own material, not generic filler
  • No watermark and full commercial rights included
  • Plan and read everything free before any payment
  • Integration with AI apps you already use via MCP
  • Create multiple book types from one platform: ebooks, lead magnets, workbooks and coloring books
Community votes00
DR (Domain Rating by Ahrefs)2 −1 (down) since last check6 +2 (up) since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)200
Referring domains (Majestic)230

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