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Head-to-head · Systematic Review Software

Rayyan vs Parsifal

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Rayyan #2 in Systematic Review Software 9.0/10 Free plan Free plan✓ 0 of 4 features Visit Rayyan
Parsifal #3 in Systematic Review Software 8.9/10 Free plan Free plan✓ 4 of 4 features Visit Parsifal

Rayyan leads on 0 checks, Parsifal on 0, and 5 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 · 9.0/10
  • Free planboth
  • Most featuresParsifal · 4 of 4

Rayyan scores higher on our rubric for systematic review software: 9.0 against 8.9 out of 10; our editors rank them #2 and #3.

Rayyan is the better fit for affordable collaborative screening. Parsifal is the better fit for open-source protocol-led reviews.

  • Rayyan fits best

    Affordable collaborative screening

  • Parsifal fits best

    Open-source protocol-led reviews

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Side by side

Feature Rayyan 9.0/10 Visit ↗ Parsifal 8.9/10 Visit ↗
At a glance
Editor score 9.0 8.9
Ranking #2 in Systematic Review Software #3 in Systematic Review Software
Best for Affordable collaborative screening Open-source protocol-led reviews
Pricing model Free plan + paid Free
Starting price $8.33/seat/mo Free plan
Free plan ✓ ✓
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 Solo, Small business, Mid-market
Features Rayyan 0/4 · Parsifal 4/4
Reference deduplication Not checked yet ✓ (best)
Data extraction Not checked yet ✓ (best)
Full-text storage Not checked yet ✓ (best)
Protocol support Not checked yet ✓ (best)
Specs
Blinded screening Not checked yet None
Collaborator limit Not checked yet Not checked yet
Review types Not checked yet systematic literature reviews
Our review
Pros
  • Free plan covers importing, screening, and collaboration
  • Blinded collaboration, conflict resolution, and full-text screening
  • Web, iOS, Android, offline screening, and API access
  • Covers protocol planning, screening, quality assessment, and data extraction
  • Automates duplicate detection with DOI matching and title similarity
  • Connects with major research sources and supports citation snowballing
Cons
  • Essential and Advanced plans are billed quarterly
  • Business / Academic pricing starts at five licenses
  • Some ResearchPilot features require an institutional plan
  • Blinded screening is identified as none
  • The platform is web-based rather than desktop software
  • PDF retrieval focuses on open-access papers
Our verdict

Rayyan is a web-based collaboration platform for researchers, students, librarians, and review teams conducting literature and systematic reviews. Its workflow covers reference importing, duplicate detection, title and abstract screening,…

Read the review →

Parsifal is a web-based platform for researchers conducting systematic literature reviews. It is designed for postgraduate researchers, professors, and research teams, with particular relevance to reviews in software engineering, health,…

Read the review →
  1. RayyanSystematic Review Software 9.0Free plan
  2. ParsifalSystematic Review Software 8.9Free plan

Strengths and trade-offs

  • Rayyan — where it wins

    • Free plan covers importing, screening, and collaboration
    • Blinded collaboration, conflict resolution, and full-text screening
    • Web, iOS, Android, offline screening, and API access

    Where it doesn't

    • Essential and Advanced plans are billed quarterly
    • Business / Academic pricing starts at five licenses
    • Some ResearchPilot features require an institutional plan

  • Parsifal — where it wins

    • Covers protocol planning, screening, quality assessment, and data extraction
    • Automates duplicate detection with DOI matching and title similarity
    • Connects with major research sources and supports citation snowballing

    Where it doesn't

    • Blinded screening is identified as none
    • The platform is web-based rather than desktop software
    • PDF retrieval focuses on open-access papers

More comparisons

All systematic review software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update