Marriott Mobile App


Improving the guest experience for the world's largest hotel chain.

Marriott's mobile app serves 30+ hotel brands in 100+ countries around the globe.

Book, Stay, Relax, Pamper and Manage from everywhere.

Working internally with the Marriott Booking mobile product team, Critical Mass helped augment a UX role to help bring the app to reality. We picked up where Work & Co left off to flesh out very detailed interactions.



Modify Reservation

Helping guests modify their existing reservations.


Add a New Payment Method

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Edit Payment Method


Offline Functionality