Aithor
Undetectable AI essay writer with auto citations
Paper WrittingLiterature Review
Released Jun 2
Freemium · From $24.99
150
Reviewed by Shawn H. — Founder, AITrustList
Last verified MethodologyAI tools are ranked by traffic signals, not paid placement.
Rayyan
AI systematic review platform for faster evidence synthesis
Rayyan accelerates systematic and literature reviews with AI screening, deduplication, PICO extraction, and collaborative workflows trusted by 1M+ researchers.
Pros & cons
Independently written by the AITrustList editorial team.
Pros
- Free forever tier for basic use with no credit card required
- Used by 1M+ researchers across 30,000+ institutions and 190+ countries
- Scales to deduplicate 200,000 references automatically
- Dedicated mobile app supports offline screening
- Collaborative workbench with sampling, hot keys and audit trails
- Generates PRISMA diagrams and reproducible review outputs
+1 more pro not shown
Cons
- Free tier is limited to basic use; advanced AI features likely require paid plans
- Web-first platform; mobile features focus on screening rather than full review authoring
- Enterprise ResearchPilot and RoB features gated behind institutional plans
- Mobile app distribution via separate domain (ryn.ai) instead of main app stores
- Designed for systematic reviews, not suitable for general writing or content creation tasks
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Rayyan Pricing
Pricing and commercial details available on the current listing.
Pricing model
Freemium
Starting price
Free
About Rayyan
What it is, how to use it, and the full listing description.
What is Rayyan?
Rayyan is an AI-powered web platform for conducting systematic and literature reviews, covering screening, deduplication, data extraction, and team collaboration.
How to use Rayyan?
Sign up for free, import references from databases or files, use AI-assisted screening and the Systematic Auto-Resolver to remove duplicates, collaborate with reviewers using sampling and hot keys, then extract data and export PRISMA-ready outputs.
Core features of Rayyan
- AI-assisted screening and zero-shot relevance ranking (ResearchPilot)
- Systematic Auto-Resolver for deduplicating up to 200,000 references
- PICO framework extraction and structured data capture
- Risk of Bias (RoB) assessment tools
- Collaborative workbench with sampling, hot keys, and PRISMA diagram export
- Mobile app for offline screening and API access for custom workflows
Target audience of Rayyan
ResearchersDoctor & PhysicianEducatorsStudentsEnterprises
Use cases of Rayyan
- #1Screening thousands of references for systematic reviews
- #2Deduplicating large bibliographic datasets before screening
- #3Collaborative literature reviews with distributed research teams
- #4Extracting PICO data and assessing risk of bias in clinical studies
- #5Building PRISMA diagrams and audit-ready evidence synthesis outputs
Rayyan is an AI-assisted systematic review platform used by over 1 million researchers at 30,000+ institutions across 190+ countries. It streamlines the entire evidence synthesis workflow from reference import through screening, deduplication, data extraction, and reporting. The platform combines automated duplicate detection (Systematic Auto-Resolver handling up to 200,000 references), AI relevance ranking, structured PICO extraction, risk of bias assessment via ResearchPilot, collaborative screening with sampling and workbench tools, and a mobile app for offline screening. Teams benefit from PRISMA diagram generation, full audit trails, programmable hot keys, API access, and integrations that support reproducible, inspection-ready reviews at scale.
Rayyan Website Traffic Analysis
Traffic and engagement metrics for rayyan.ai.
Visit Over Time
Rayyan traffic grew by 9.7% over the last 12 months, reaching 1.0M monthly visits. It is currently tracked in the Literature Review category on AITrustList.
Monthly Visits1.0M
Avg. Visit Duration19:13
Page per Visit35.74
Bounce Rate26.98%
Sep 2025 - Aug 2026 All Traffic
Geography
Top 5 Regions
📍United States
14.35%📍United Kingdom
14.06%📍Brazil
13.07%📍France
7.70%📍Italy
7.12%Sep 2025 - Aug 2026 Desktop Only
Traffic Sources
Direct
58.76%Organic Search
17.90%Referrals
8.88%Organic Social
5.93%Mail
5.42%GenAI
2.99%Display Ads
0.09%Paid Search
0.02%Affiliate
0.00%Paid Social
0.00%Sep 2025 - Aug 2026 Worldwide Desktop Only
AI Referral Traffic
Google Gemini
56.0%ChatGPT
7.7%Sep 2025 - Aug 2026 AI Engine Share Trends
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| rayyan | 45.9K | $ 1.34 |
| rayyan ai | 10.4K | $ 1.32 |
| ryyan | 2.0K | $ 1.39 |
| rayyan login | 1.0K | -- |
| rayan ai | 2.2K | -- |
Customer Reviews
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FAQ from Rayyan
Questions and answers included with this listing.
Is Rayyan free to use?
Rayyan is free forever for basic use with no credit card required, with paid tiers for advanced features.
How many references can the Systematic Auto-Resolver deduplicate?
Rayyan's Systematic Auto-Resolver can deduplicate up to 200,000 references using a custom protocol.
Does Rayyan offer an API?
Yes, Rayyan provides API access to extend its screening and review workflows beyond the interface.
Is there a mobile app?
Yes, Rayyan offers a mobile app that supports screening on the go and offline use.
Rayyan Company and Links
Official and listing-specific external resources.
Related tools
Published tools in the same task branch.