The latest info on Frontier mobile apps
The iOS apps from Frontier will work with all of your Apple devices, from iPad to iPhone
EarlyReturns members will also be able to use the app to manage their profile, view account activity, and more right from the app.
As the most popular mobile platform in the world, Frontier has taken notice of Android and provided an app for most Android devices. As is often the case, the Android app offers the same functionality as the iOS app.
If you're just looking for their mobile site, you can head on over to http://www.frontierairlines.com on your mobile device.