Convenient and easy to use travel tool

The Marriott app does what it needs to do - easy to find a hotel and make a reservation or modify existing reservations. Can also cancel a reservation from my phone even if travel agency booked the original stay (saves the hassle of hold time with AMEX travel!). Not a lot of frills, but works fine.

EagleTim about Marriott Bonvoy: Book Hotels, v5.14.0