Rayyan QCRI

Rayyan is a 100% FREE web application to help systematic review authors perform their job in a quick, easy and enjoyable fashion. Authors create systematic reviews, collaborate on them, maintain them over time and get suggestions for article inclusion.

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Rayyan also has a mobile app. With this app, you can screen your reviews on the go such as while you are riding the bus. You can even use the app while offline; once connected, the app will automatically sync back to the Rayyan servers!

How to cite Rayyan

Please cite Rayyan when you report about the reviews that you create with the help of Rayyan.

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What people are saying

Rayyan works well, is user-friendly and efficient.
Ward Heij
PhD, Radboud University Medical Center
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We found Rayyan quick and easy to use for screening references and takes headache out of matching coauthor's decisions.
Cochrane Airways group
St Georges University of London
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We use Rayyan for most of our systematic review screening and recommend it regularly to our colleagues. It works extremely well and is very easy to use
Anonymous
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