The Oman Air app is a free travel and navigation application that helps you book your next flight with Oman Air or their partner airlines. It offers an easy-to-use interface that allows you to manage your booking, check-in online, view flight status and schedule and access your Sindbad profile, the frequent flyer program. 

One of the app's main features is its booking system, which offers one-way, return, and multicity options. You can also check-in online and manage your booking with ease. Additionally, the app allows you to view and book the best fares and special offers and access your Sindbad account, where you can view, spend, and claim miles. You can also get directions to Muscat Airport with the app's map location feature.

Overall, the Oman Air app is an excellent travel companion for anyone booking flights with Oman Air or their partner airlines. With its user-friendly interface and comprehensive features, it makes traveling a breeze.