Capital Sound is an artificial intelligence financial podcast app for iOS, allowing users to listen to daily market summaries, stock market updates, etc. at any time. It provides audio summaries such as AI-curated global markets, can track portfolios in real time, obtain stock audio briefings with one click, and can also get executive summaries immediately. There is a synchronized transcript when listening to financial news, and it provides exclusive top ten stock recommendations based on insider trading signals and sentiment gaps.