toolspool

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

Semantic Scholar logo
Semantic Scholar
✓ verifiedFree

Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.

7.9M visits/mo13K saves
Elicit logo
Elicit
✓ verifiedFreemium

Well-adopted AI research assistant for finding papers, summarizing, and extracting data at scale.

2.1M visits/mo
Paper Digest logo
Paper Digest
✓ verifiedFreemium

AI research platform for literature reviews, paper Q&A and daily digests, built for academics wanting cited answers.

140K visits/mo
Connected Papers logo
Connected Papers
✓ verifiedFreemium

Widely used visual tool for exploring related academic papers.

873K visits/mo
Literfy logo
Literfy
✓ verifiedFreemium

AI literature-review tool that searches Scholar, PubMed and Semantic Scholar and drafts cited reviews.

17K saves
Pricing

No public pricing

Basic: Free
Plus: $10 per month, billed annually
Pro: $42 per month, billed annually
Team: $65 per user, per month billed annually
Enterprise: Custom

No public pricing

Free: USD 0
Academic: USD 3 /month*
Business: USD 10 /month*
Academic Group: 3 USD / seat / month*
Business Group: 10 USD / seat / month*
Academic Library: Request a Quote
Free: $0 (30 welcome credits)
Light Pack: $19 one-time (1,000 credits)
Pro Monthly: $29/mo (1,800 credits)
Pro Yearly: $329/yr (24,000 credits)
Core features
  • AI-powered semantic search across 236M+ papers
  • Semantic Reader for augmented, contextual paper reading
  • Free public API for paper search and metadata
  • Author and topic discovery
  • Citation graph exploration
  • Beta program for new features
  • AI-enabled systematic reviews
  • Research reports
  • Upload your own PDFs
  • Quick summaries
  • Source quotes
  • Question answering
  • literature review generator with per-sentence citations
  • AI reader for PDFs
  • AI writer with citations
  • academic claim verification
  • question answering over literature
  • daily, conference and best-paper digests
  • cross-source search of papers, patents and grants
  • Visual graph generation of related academic papers
  • Discovery of prior and derivative works
  • Identification of important and relevant papers
  • Exploration of research field dynamics
  • One search across Google Scholar, PubMed and Semantic Scholar
  • Auto-generated search expressions
  • Source-grounded review drafting
  • Outline builder from real papers
  • Citation export (BibTeX/CSV, Overleaf-ready)
  • Project library and history
Use cases
  • Researchers searching scientific literature across disciplines
  • Developers building applications on top of scholarly data via the API
  • Students exploring citation networks for a topic
  • Librarians and academics needing free literature discovery tools
  • Speeding up literature reviews
  • Automating systematic reviews and meta-analyses
  • Learning about new domains
  • Data extraction in rigorous systematic literature reviews
  • staying current with new research
  • generating cited literature reviews
  • reading and understanding papers
  • verifying academic claims
  • tracking topics and conferences
  • Getting a visual overview of a new academic field
  • Ensuring no key papers are missed in a field with a large volume of new publications
  • Creating a bibliography for a thesis
  • Discovering relevant prior and derivative works
  • Writing literature reviews faster
  • Finding seminal papers on a topic
  • Exporting citations into LaTeX/Overleaf
Visit
More in Literature Review