Using Node js in Multiplayer turn based game in ios

Hope u guys are doing great. I want to make a realtime turn based game in iOS . I know this can be achieved by using GAME CENTRE in iOS , but i have to play this between browser and iOS app. WEB TEAM is using node js for making this game on web browser , they also suggested me to use node js in iOS game as well.

Have anyone has idea how to use node js for this kind of purpose. Thanking you all! :)