The latest info on Allegiant Air mobile apps

Like many other airlines, Allegiant Air offers an iOS app for all of your Apple devices. The Android apps from Allegiant Air work with all Android phones and tablets from various manufacturers (Samsung, LG, Google, etc.), and Android Wear watches might also be compatible. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from Allegiant Air.

Also take a look at Allegiant Air's website by clicking here — you should be able to do what you need there.