Starwood Hotels & Resorts and Hilton Worldwide last week each announced plans to offer their loyalty-program members the option to skip front-desk check-in and use their smartphones as room keys.

Last November, Starwood launched its keyless entry campaign. The program was built to allow smartphone and smartwatch users the ability to remotely check into their rooms and unlock their doors, ...

On the heels of similar—but yet unrealized—plans from Hilton, Starwood is introducing a new app-powered, keyless entry program. In other words, your smartphone is now your key. The process is ...