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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

15Minutes logo
15Minutes
✓ verifiedPaid

Library of short book summaries, analyses, and audiobooks spanning thousands of nonfiction and fiction titles.

8.8K visits/mo533 saves
9.3K visits/mo
AskYourPDF logo
AskYourPDF
✓ verifiedFreemium

AI assistant to chat with, summarize and auto-fill PDFs, aimed at students and professionals extracting insights from documents.

226K visits/mo48K saves
Summarize.ing logo
Summarize.ing
✓ verifiedFreemium

YouTube summarizer turning video links into digests with highlights and mind maps, useful for students and researchers.

98K visits/mo5.9K saves
AI PDF Summarizer logo
AI PDF Summarizer
✓ verifiedFree trial

Online PDF suite for summarizing, editing, converting, and signing.

12M visits/mo8.7K saves
Pricing

No public pricing

Free: $0
Vial: $20
Inkwell: $40
Free: $0 (50 questions/day)
Premium: $11.99/mo (billed yearly)
Pro: $14.99/mo (billed yearly)

Free trial available

Pro: $7.49/mo (50 summaries/day, videos under 60 min)
Premium: $15.7/mo (100 summaries/day, videos under 120 min)

No public pricing

Core features
  • Short book summaries and analysis
  • Summary PDFs and audiobooks
  • Personal library to save titles
  • Extensive category browsing
  • Coverage of thousands of books
  • Automatic transcription and summarization of TTRPG sessions
  • Customizable narrator and background music
  • Audio/video recap generation
  • Support for various audio formats
  • Option to proofread and edit the summary
  • Chat across multiple documents
  • Instant document summaries
  • AI PDF form auto-filling
  • Document library organization
  • Chrome extension and mobile apps
  • ChatGPT and Zotero integrations
  • Paste a YouTube link to get a summary in under a minute
  • Segmented, timestamp-aware breakdowns of long videos
  • Auto-generated mind maps of video content
  • Key concept and keyword extraction
  • Auto-generated Q&A pairs for review
  • Choice of underlying AI model (Claude 3.5 Sonnet, GPT-4)
  • AI-powered PDF summarization
  • PDF editing and signing
  • PDF conversion to various formats
  • Form filling and annotation
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
  • Creating recaps of Dungeons & Dragons, Pathfinder, or other TTRPG sessions
  • Sharing recaps with your party at the beginning of the next session
  • Immortalizing game sessions with captivating audio/video recaps
  • Summarizing long reports or papers
  • Extracting data from contracts
  • Auto-filling repetitive PDF forms
  • Studying and reviewing course material
  • Reviewing lecture or tutorial videos without watching in full
  • Extracting key takeaways from long interviews or talks
  • Building study notes from educational YouTube content
  • Quickly deciding whether a video is worth watching
  • Summarizing research papers and books
  • Editing and signing contracts
  • Converting PDFs to Word or JPG
  • Filling out tax and official forms
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