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LibraLM
✓ verifiedFreemium
Turns 50+ book summaries into AI apps through an MCP server, letting non-coders build advisors, simulators and tools in Claude Desktop.
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15Minutes
✓ verifiedPaid
Library of short book summaries, analyses, and audiobooks spanning thousands of nonfiction and fiction titles.
8.8K visits/mo533 saves
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StealthWriter
✓ verifiedFreemium
Rewrites AI-generated text into natural human-sounding prose with a built-in before/after AI detector, for students and content writers.
3.6M visits/mo23K saves
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ZeroGPT
✓ verifiedFreemium
All-in-one AI writing suite led by an AI content/GPT detector, bundling a humanizer, paraphraser, grammar checker, translator, and chatbot.
26M visits/mo3.4K saves
Pricing
Free: $0/mo (50 API calls)
Pro: $9.99/mo (unlimited API calls)
No public pricing
Free: $0/mo (10 humanizations/day, 1,000 words/input)
Starter: $20/mo (50 humanizations/day, 5,000 words/input)
Plus: $50/mo (150 humanizations/day, 5,000 words/input)
Pro: $100/mo (350 humanizations/day, 5,000 words/input)
Scale: $400/mo (2,000 humanizations/day, 5,000 words/input)
Free: $0 forever
Core features
- ✦50+ book summaries and chapter breakdowns
- ✦MCP server integration with Claude Desktop
- ✦Build AI apps, games and simulators from books
- ✦No-code app creation in minutes
- ✦Free API key with credits
- ✦Companion mobile app (LibraLM Scenario)
- ✦Short book summaries and analysis
- ✦Summary PDFs and audiobooks
- ✦Personal library to save titles
- ✦Extensive category browsing
- ✦Coverage of thousands of books
- ✦Adjustable rewrite intensity (light/medium/aggressive)
- ✦Integrated AI detector with before/after scoring
- ✦Sentence-by-sentence Deep Scan analysis
- ✦Multiple alternative rewrites per flagged sentence
- ✦Fast processing (seconds per document)
- ✦No storage of submitted text after processing
- ✦Multi-model AI text detector (ChatGPT, GPT-5, Gemini, Claude, DeepSeek, etc.)
- ✦AI text humanizer to reduce detectability
- ✦Plagiarism checker across billions of sources
- ✦AI paraphraser, summarizer, and grammar checker
- ✦AI translator and word counter utilities
- ✦ZeroCHAT general-purpose AI chatbot
- ✦WhatsApp and Telegram bot access
- ✦Downloadable PDF detection reports and batch file upload
Use cases
- →Build a financial advisor from a finance book
- →Create negotiation or conversation simulators
- →Prototype AI tools grounded in book content
- →Learning a book's key ideas in minutes
- →Listening to book summaries on the go
- →Deciding which full books to read
- →Studying nonfiction concepts efficiently
- →Students checking and humanizing AI-assisted assignments
- →Bloggers and marketers polishing AI-drafted content
- →Researchers and professionals needing natural-sounding AI-assisted writing
- →Verifying content passes detectors before publishing
- →Educators checking student submissions for AI-generated content
- →Writers verifying and humanizing AI-assisted drafts
- →Checking text for plagiarism before publishing
- →Businesses integrating AI detection via API
- →Quick grammar/translation checks while writing
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