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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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Grammarly
✓ verifiedFreemium
Widely used AI writing assistant offering grammar, tone and rewrite suggestions plus generative AI across apps; free tier available.
54M visits/mo
Pricing
No public pricing
Free: $0
Pro: $12/member/mo billed annually (or $30/mo)
Core features
- ✦Short book summaries and analysis
- ✦Summary PDFs and audiobooks
- ✦Personal library to save titles
- ✦Extensive category browsing
- ✦Coverage of thousands of books
- ✦Real-time grammar, spelling and clarity checks
- ✦Full-sentence and paragraph rewrites
- ✦Tone and brand-style suggestions
- ✦Generative AI text with prompts
- ✦AI detector and humanizer agents
- ✦Works across apps, browsers and documents
Use cases
- →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
- →Writing clear, error-free documents and emails
- →Adjusting tone for different audiences
- →Generating and rewriting text with AI
- →Maintaining brand voice across a team
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