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Compare tools

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

Futurwise logo
Futurwise
✓ verifiedFreemium

Curated intelligence app delivering verified, attributed human analysis across tech, climate, health and mobility.

40K saves
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
Open Knowledge Maps logo
Open Knowledge Maps
✓ verifiedFree

Free nonprofit tool that visualizes scientific literature as topic maps, clustering papers to speed research discovery.

113K visits/mo1.1K saves
MagicSchool logo
MagicSchool
✓ verifiedFreemium

AI education platform with 80+ teacher tools and student features, built for schools with privacy controls.

2.2M visits/mo17K saves
Astra AI logo
Astra AI
✓ verifiedFreemium

AI tutor for school and university subjects with step-by-step help, exam prep, oral/mock exams and flashcards.

4.4M visits/mo1.7K saves
Pricing

No public pricing

No public pricing

No public pricing

No public pricing

No public pricing

Free trial available

Core features
  • Curated intelligence across four domains
  • Tiered source channels from news to research
  • Verified and attributed human insight
  • Daily updates on fast-changing topics
  • Mobile and web access
  • 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-generated visual maps of research topics
  • Clusters papers into themes
  • Open-access resource discovery
  • Open-source and nonprofit
  • Custom integrations/embedding for organizations
  • 80+ AI teacher tools
  • 50+ safe student tools
  • AI instructional coach
  • Enterprise-grade security and privacy
  • District dashboards and rollout support
  • Free for teachers
  • Step-by-step subject explanations
  • Photo-based math problem solving
  • Oral and mock exam practice with grading
  • Personalized study plans
  • Flashcards from uploaded notes
  • Coverage of many subjects, user-created subjects
Use cases
  • Staying informed on emerging tech and policy
  • Following expert analysis over algorithmic feeds
  • Tracking research shaping the next few years
  • 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
  • Get an overview of a research field
  • Find relevant papers faster
  • Identify key concepts in the literature
  • Embed discovery tools in library systems
  • Plan lessons and cut prep time
  • Personalize student learning
  • Roll out AI safely across a district
  • Build student AI literacy
  • Prepare for school or university exams
  • Get help understanding tough concepts
  • Practice oral exams out loud
  • Study from your own notes
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