Reliance Jio offers affordable 4G services in India including free voice calls, low data rates, and inexpensive LYF smartphones starting at Rs. 2,999. It aims to provide access to its high-speed internet and digital services across all economic classes. Jio also offers a range of apps and services like JioTV, JioCinema, JioMusic as well as the JioFi wireless hotspot device. The launch of Jio has significantly impacted competitors by gaining over 100 million subscribers and increasing India's mobile data usage.