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!

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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

From just an hour or so working with the system I can say that this already made a very good impression on me.
Bernd Richter
Coordinating Editor, Cochrane Metabolic and Endocrine Disorders Group
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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.
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Rayyan is a fantastic tool, thanks a lot!
Karin Stenström
Project Director, SBU
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