KTTC Wx is a free weather app designed for iPhone users by Gray Television Group Inc. The app offers high-resolution weather data with features such as 250-meter radar, future radar, and satellite cloud imagery. It provides current weather updates multiple times per hour and daily and hourly forecasts updated hourly from computer models.

One of the unique features of this app is the ability to add and save favorite locations. It also has a fully integrated GPS for current location awareness. Users can receive severe weather alerts from the National Weather Service and opt-in push alerts to keep them safe during severe weather. The app is designed with a user-friendly interface and is specifically tailored to mobile users.

Overall, KTTC Wx is a great weather app for iPhone users who want high-resolution weather data and up-to-date forecasts. It provides users with all the necessary information to stay informed about weather conditions in their area and beyond.