What you need to know about Ryanair mobile apps
Ryanair provides an iOS app that is compatible with iPhone, iPod, and iPad.
Also, if you're a member of Ryanair Ryanair Airlines Frequent Flyer Program, you can manage your profile, view your points balance, and more.
Ryanair has an Android app that works with most Android tablets, phones, and some Android Wear devices. As is often the case, the Android app offers the same functionality as the iOS app.
Also take a look at Ryanair's website by clicking here — you should be able to do what you need there.