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Head-to-head · AI Literature Review Software

Rayyan vs Nested Knowledge

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Rayyan #2 in AI Literature Review Software 8.8/10 Free plan Free plan✓ 3 of 4 features Visit Rayyan

Rayyan leads on 1 check, Nested Knowledge on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRayyan · 8.8/10
  • Free planonly Rayyan
  • Most featuresNested Knowledge · 4 of 4

Rayyan scores higher on our rubric for ai literature review software: 8.8 against 8.4 out of 10; our editors rank them #2 and #5.

Rayyan offers free plan; Nested Knowledge doesn't.

Rayyan is the better fit for mobile collaborative screening. Nested Knowledge is the better fit for institutional evidence synthesis.

  • Rayyan fits best

    Mobile collaborative screening

  • Nested Knowledge fits best

    Institutional evidence synthesis

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Side by side

Feature Rayyan 8.8/10 Visit ↗ Nested Knowledge 8.4/10 Visit ↗
At a glance
Editor score 8.8 8.4
Ranking #2 in AI Literature Review Software #5 in AI Literature Review Software
Best for Mobile collaborative screening Institutional evidence synthesis
Pricing model Free plan + paid Paid
Starting price $8.33/seat/mo —
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Phone, Tickets, Community, Docs, Live chat Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Rayyan 3/4 · Nested Knowledge 4/4
Screening workflow ✓ ✓
AI paper summaries Not checked yet ✓ (best)
Full-text analysis ✓ ✓
Systematic review support ✓ ✓
Specs
Collaboration seats 1 Not checked yet
Export formats RIS, BibTeX, EndNote, CSV CSV, RIS, XLSX, DOCX, PDF
Our review
Pros
  • Imports references from RIS, BibTeX, EndNote, CSV, NBIB, XML, CIW, and PDF
  • Combines blinded collaboration, conflict resolution, deduplication, and AI ranking
  • Supports mobile and offline screening on iOS and Android
  • Covers searching, screening, extraction, appraisal, synthesis, and reporting
  • AI tools assist screening, appraisal, tagging, abstracts, and evidence-backed insights
  • Exports study data, screening records, PDFs, and multiple report formats
Cons
  • Individual plan prices are displayed monthly but billed quarterly
  • Business / Academic pricing starts at five licenses
  • ResearchPilot features beyond Help Center mode are limited to institutional plans
  • No free plan; paid access is the core pricing model
  • Business pricing starts at $295 per user per month
  • Web-only access may not suit teams seeking other platform options
Our verdict

Rayyan is a web-based research collaboration platform for researchers, students, librarians, and review teams. It covers the main stages of a systematic review, including reference importing, duplicate detection, title and abstract…

Read the review →

Nested Knowledge is a web-based software platform for systematic literature reviews, evidence synthesis, and meta-analysis. It is designed for academic researchers, clinical research organizations, health economics and outcomes research…

Read the review →
  1. RayyanAI Literature Review Software 8.8Free plan
  2. Nested KnowledgeAI Literature Review Software 8.4Paid

Strengths and trade-offs

  • Rayyan — where it wins

    • Imports references from RIS, BibTeX, EndNote, CSV, NBIB, XML, CIW, and PDF
    • Combines blinded collaboration, conflict resolution, deduplication, and AI ranking
    • Supports mobile and offline screening on iOS and Android

    Where it doesn't

    • Individual plan prices are displayed monthly but billed quarterly
    • Business / Academic pricing starts at five licenses
    • ResearchPilot features beyond Help Center mode are limited to institutional plans
  • Nested Knowledge — where it wins

    • Covers searching, screening, extraction, appraisal, synthesis, and reporting
    • AI tools assist screening, appraisal, tagging, abstracts, and evidence-backed insights
    • Exports study data, screening records, PDFs, and multiple report formats

    Where it doesn't

    • No free plan; paid access is the core pricing model
    • Business pricing starts at $295 per user per month
    • Web-only access may not suit teams seeking other platform options
  • Rayyan8.8/10 · Free plan

    A collaborative screening workspace with AI ranking, PICO tools, and mobile access.

    Visit RayyanFull verdict →
  • Nested Knowledge8.4/10 · Paid

    A structured evidence-synthesis workspace with broad AI-assisted review capabilities.

    Visit NestedFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update