The CNBC: Stock Market & Business app serves as a mobile extension of the financial news network, providing comprehensive market coverage and real-time data to iOS users. Developed by NBCUniversal Media, the application positions itself as an all-in-one solution for market monitoring, offering both informational content and practical investment tools in a single interface. The app's core functionality centers around its interactive market charts, customizable watchlists supporting up to 100 lists with 100 symbols each, and breaking news alerts. Users can access a daily free preview of CNBC's live TV stream, though full streaming requires cable authentication. The platform integrates CNBC's audio content including podcasts and live radio (US only), creating a multi-format news consumption experience. Search functionality allows quick company lookups with options to add symbols to watchlists or view related news articles. User experience varies across different iOS devices, with the interface presenting clean, professional design reminiscent of the television broadcast. Navigation follows logical patterns for financial applications, though some users report inconsistent performance. Real-world usage patterns show heavy engagement during market hours, with watchlist monitoring and news consumption being primary activities. The app serves well for quick market checks but may lack depth for advanced technical analysis compared to dedicated trading platforms. User feedback indicates generally positive reception with a 4.7-star rating, though specific technical issues persist across updates. Multiple reviews from 2025, including TommyDeAngelis on August 20th, report recurring problems with market panels failing to load. TkHTX77025's March 23rd review praises continuous improvements while noting frustrating authentication issues requiring frequent re-logins. The feedback suggests a pattern of valuable content delivery hampered by technical reliability concerns. The application excels at delivering CNBC's authoritative financial journalism and basic market monitoring capabilities, making it particularly valuable for casual investors and news-focused users. However, limitations appear in technical reliability, with loading issues and authentication problems affecting user experience. The app serves best as a complementary tool for market awareness rather than a primary trading platform, with ideal use cases including news monitoring, watchlist tracking, and multimedia content consumption during market hours.