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 is an incredible and free tool for selecting studies for systematic review and meta-analysis! I love it!
Elvis Temfack
Research clinician, Douala General Hospital, Cameroon
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Rayyan is very easy to use for screening large amounts of references. Best tool I've tried for this particular task. Makes screening much quicker.
Anonymous
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Rayyan works well, is user-friendly and efficient.
Ward Heij
PhD, Radboud University Medical Center
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