The Wall Street Journal.

The Wall Street Journal app delivers award-winning business and financial journalism, offering in-depth analysis, real-time market data, and global headlines. It provides categorized articles, breaking news alerts, and supports offline reading, catering to individuals seeking comprehensive financial and economic insights.

The Wall Street Journal app provides extensive financial and business news, aligning with the 'Fluent in Finance Platform' concept. It offers categorized content (Business, Markets, Politics, Economy, Finance, etc.), supports multimedia (videos, images), and has features like search, saving articles, and social sharing. While it's a paid subscription service, it provides the core content-driven financial education aspect. The app description also mentions alerts and notifications, which can be considered a form of newsletter or regular updates.