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.

Sign in Guest Access Sign up

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!

Appstore Googleplay

How to cite Rayyan

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

Citation information

What people are saying

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.
Read more…
I LOVE Rayyan and am so grateful for this tool - brilliant, intuitive and easy on the eyes.
Read more…
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.
Read more…


Watch a quick tour


Need help?

Contact us

Help us make Rayyan better

Take the survey