Developer's DescriptionBy Frontier AirlinesFrontier's mobile app makes travelling easier than ever before.Frontier's mobile app makes travelling easier than ever before! Wanna skip the lines? Use our mobile boarding pass and go straight to the security checkpoint. Need to add a bag or select your seat? This app makes it easy. On the go, but need to book a flight? Shop our low, low fares here. Wanna' know the status of your flight? Get up-to-the-minute flight information here.