Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
✕
ChatDOC
✓ verifiedFree
AI assistant extracting and summarizing document info; real adoption.
90K visits/mo15K saves
✕
Zeli
✓ verifiedFree
Lightweight digest reader that curates and summarizes trending Hacker News posts and Hugging Face papers to speed up daily reading.
36K visits/mo
✕
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
✕
Summarist
✓ verifiedFree
Free book-summary library covering business, health and self-help titles, aimed at readers wanting quick takeaways instead of full books.
5.6K visits/mo38K saves
Pricing
No public pricing
No public pricing
Free: $0 (50 questions/day)
Premium: $11.99/mo (billed yearly)
Pro: $14.99/mo (billed yearly)
Free trial available
No public pricing
Core features
- ✦Chat with documents
- ✦Instant answers with cited sources
- ✦AI analysis of selected texts/tables
- ✦Query across multiple documents
- ✦Supports various file formats
- ✦AI summaries of top Hacker News posts
- ✦Hugging Face daily paper digests
- ✦Trending/hottest post filtering including Ask HN and Show HN
- ✦Quick-scan article preview format
- ✦Chat across multiple documents
- ✦Instant document summaries
- ✦AI PDF form auto-filling
- ✦Document library organization
- ✦Chrome extension and mobile apps
- ✦ChatGPT and Zotero integrations
- ✦AI-generated summaries of nonfiction and popular books
- ✦Browsable category taxonomy (business, health, history, psychology, etc.)
- ✦Favorites list to bookmark summaries
- ✦Latest and newly-published book listings
- ✦Most-summarized/trending titles highlighted
Use cases
- →Summarizing long documents
- →Explaining complex concepts
- →Finding key information in seconds
- →Turbocharging research
- →Developers keeping up with Hacker News without reading everything
- →AI researchers scanning new papers quickly
- →Tech enthusiasts wanting a daily curated digest
- →Summarizing long reports or papers
- →Extracting data from contracts
- →Auto-filling repetitive PDF forms
- →Studying and reviewing course material
- →Getting the key ideas of a business or self-help book without reading it
- →Previewing a book before deciding whether to buy it
- →Quickly reviewing nonfiction concepts for study or work
- →Browsing new releases across multiple genres
Visit