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

This is a great tool. We whizzed through 250+ hits in a couple of hours. It is a great feeling to work online and feel the burn. Some people like to jog on their own.... Rayyan is a bit like a jogging trainer! Good job.
Anonymous
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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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I am a huge fan of Rayyan and regularly tell others it is the best sifting software I've come across. Quick to learn and incredibly intuitive to use, I recommend it to all new authors I work with.
Kayleigh Kew
Systematic Reviewer, St George's, University of London
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