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Rayyan

Free

An AI-powered platform for managing systematic literature reviews with collaborative screening and data management tools.

FreeFree tier
Type
Open Source
Company
Rayyan
Visit Website GitHub (40 stars)

About Rayyan

Rayyan is the world's #1 systematic review platform, trusted by over 1 million researchers across 190+ countries. It provides an end-to-end workflow for systematic literature reviews, including importing references, collaborative screening with inclusion/exclusion criteria, AI-assisted relevance predictions, duplicate detection, data extraction, risk of bias assessment, and PRISMA reporting. With ResearchPilot, users can leverage zero-shot relevance ratings, AI analyzer, and auto-extract data. Rayyan offers mobile app access, programmable hot keys, and data sampling for team coordination. The platform emphasizes auditability, transparency, reproducibility, and scalability.

Key Features

Import references and organize libraries
Collaborative screening with team role assignment
AI-assisted relevance predictions and priority rankings
Duplicate detection and auto-resolution
Title/abstract and full-text screening with conflict resolution
Data extraction with PICO support
Risk of Bias assessment
PRISMA flow diagram generation
ResearchPilot (zero-shot relevance, AI analyzer, auto-extract)
Mobile app with offline access

Pros & Cons

Pros
  • AI accelerates screening, saving up to 90% of time
  • User-friendly interface designed for researchers
  • Strong collaboration features with role assignment
  • Transparent audit trail for reproducibility
  • Supports large-scale reviews (thousands to millions of references)
  • Mobile app enables offline work
  • Free tier available with core features
  • Trusted by leading institutions worldwide
Cons
  • Free plan limited to 3 active reviews and 2 reviewers
  • Advanced AI features (ResearchPilot) require Business plan
  • Pricing for team/annual plans may be costly for individual researchers
  • Mobile app access limited in free plan
  • Offline functionality may be limited

Best For

Systematic literature reviewsEvidence synthesis for meta-analysisCollaborative research projectsEvidence-based policy makingMedical and clinical guideline developmentLiterature scoping reviews

FAQ

Is Rayyan free?
Yes, Rayyan offers a free plan that allows you to create up to 3 active reviews and invite 2 reviewers, with features like duplicate detection and AI relevance predictions.
Does Rayyan support PRISMA flow diagrams?
Yes, PRISMA flow diagram generation is available in the Essential plan and above.
Can I collaborate with my team on a review?
Yes, Rayyan supports team collaboration with role assignment, shared access, and conflict resolution features.