The World of Hyatt app is designed to make travel planning and management easier for its users. With access to over 900 hotels, the app offers exclusive member rates, the ability to use World of Hyatt points to book stays, and the option to explore hotels with photos, details, offers, and local area attractions. Users can also save their favorite hotels for quick booking and bypass the front desk with online check-in and express checkout. Real-time charges and past activity can also be viewed and downloaded from previous stays.

During a stay, the app offers features such as guest requests for items like towels and toothpaste, Hyatt Mobile Entry to use your device as a room key, and Google Chromecast to stream shows to your room's TV. Users can also track their progress toward elite tiers and Milestone Rewards, view current benefits and explore other elite tier benefits, track progress toward free night Awards via the Brand Explorer, and access available earned Awards. The app is available in multiple languages including English, Spanish, German, French, Japanese, Chinese (Simplified and Traditional), and Korean.

When booking through the app, users will always receive the best published rate without any booking fees at any of the participating hotels, which include Park Hyatt, Miraval, Grand Hyatt, Alila, Andaz, The Unbound Collection by Hyatt, Hyatt Regency, Hyatt, Hyatt Ziva, Hyatt Zilara, Thompson Hotels, Hyatt Centric, Hyatt House, Hyatt Place, Joie de Vivre, and Hyatt Residence Club.

Overall, the World of Hyatt app offers a suite of features that cater to the needs of travelers, from trip planning to checkout. With easy access to hotels and exclusive member rates, the app makes booking and managing stays more rewarding. The app also offers features that enhance the stay experience, such as guest requests, Hyatt Mobile Entry, and Google Chromecast. Users can also track their progress toward elite tiers and Milestone Rewards, view current benefits, and access available earned Awards. The app is available in multiple languages and offers the best published rate without any booking fees at participating hotels.