CBS레인보우 is a free lifestyle app developed by CBS Christian Broadcasting System for iPhone users. This comprehensive radio app allows users to listen to live broadcasts of CBS music FM 93.9, current affairs FM 98.1, and Joy4U radio stations.

In addition to live radio streaming, CBS레인보우 offers various features to enhance the user experience. Users can submit their stories and request songs through the app's talk feature. They can also access the radio schedule to stay updated on their favorite programs. The app provides a photo section where users can view pictures of the radio hosts and behind-the-scenes moments. Furthermore, users can check the song playlist to see the titles of the songs currently being played.

CBS레인보우 supports multitasking, allowing users to enjoy radio listening while using other functions on their smartphones. The app supports Wi-Fi, LTE, and 3G connections, but users should be aware that data charges may apply when using LTE or 3G.

Please note that the app does not provide developer contact information or encourage users to contact the developer directly for feedback or support.