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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.

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
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
Brilliant logo
Brilliant
✓ verifiedFreemium

Interactive learning app with an AI tutor for math, coding, science and data-visual, adaptive lessons for all ages.

2.6M visits/mo
Algor Education logo
Algor Education
✓ verifiedFreemium

Algor Education turns notes, docs, and media into AI-generated concept maps, flashcards, quizzes, and study notes.

1.7M visits/mo
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

No public pricing

Free trial available

No public pricing

Free: €0 (concept maps, up to 15k characters)
Beginner: €2.99/mo
Base: €5.49/mo
Pro: €7.99/mo

Free trial available

Core 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
  • 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
  • Personal AI tutor (Koji)
  • Visual, interactive lessons
  • Adaptive practice based on mastery
  • Courses in math, CS, science and data
  • Gamified streaks, levels and daily goals
  • iOS and Android apps
  • AI concept and mind maps
  • AI flashcards and quizzes
  • AI study notes/summaries
  • Transcriptions from audio/video
  • Prebuilt and custom templates
  • Multi-language support
Use cases
  • 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
  • Prepare for school or university exams
  • Get help understanding tough concepts
  • Practice oral exams out loud
  • Study from your own notes
  • Learning math and coding by doing
  • Getting adaptive tutoring outside class
  • Building STEM intuition
  • Daily skill practice
  • Turning notes into visual study aids
  • Creating teaching materials
  • Exam revision and self-study
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