Core Insights - The article emphasizes the growing importance of financial and trading apps for investors, highlighting their role in enhancing personal investment efficiency by providing quick access to information and market analysis [1][10]. Group 1: Comprehensive Platforms - Comprehensive financial information platforms are ideal for investors seeking one-stop access to global financial data, with notable examples being Tonghuashun and Dongfang Caifu, which offer extensive data coverage and analytical tools [2][13]. - Tonghuashun's "iWencai" intelligent customer service provides quick and understandable market insights, appealing to technical analysis investors [2][13]. - Dongfang Caifu's "Guba" feature serves as a unique window to gauge market sentiment in A-shares, although its coverage of futures and forex markets is limited [2][13]. Group 2: Cross-Border Trading - Professional internet brokerage apps like Futu NiuNiu and Tiger Brokers offer seamless experiences for investors trading in Hong Kong and U.S. markets, combining information access with trading functionalities [3][14]. - Futu NiuNiu provides free LV2 U.S. stock depth quotes and supports fractional shares and dark pool trading, enhancing its competitive edge [3][14]. - Tiger Brokers offers competitive pricing for U.S. stock trades, with a fee structure of $0.01 per share and a minimum of $2.99 per order, while recently adjusting its account opening policy for mainland Chinese residents [4][15]. Group 3: Professional Tools - Professional financial data terminals like Tonghuashun's iFinD are suited for investors needing in-depth data analysis, offering comprehensive market information across various exchanges [5][17]. - iFinD boasts over 700 specialized statistical reports and advanced analytical tools, making it ideal for deep research and data analysis [6][17]. Group 4: Emerging Choices - The rise in cross-border investment demand has led to the emergence of specialized apps like Xueqiu, which serves as a platform for deep discussions among seasoned investors [7][18]. - Hafu Securities, under Dongfang Caifu, offers competitive commission rates for trading in Hong Kong and U.S. markets, facilitating user conversion through its parent platform's traffic resources [8][19]. Group 5: Considerations for Selection - Investors should assess the data coverage of apps based on their investment needs, with Futu NiuNiu and Tiger Brokers being suitable for those focused on Hong Kong and U.S. markets, while platforms like Sina Finance and Tonghuashun are better for global market coverage [9][20]. - Transaction costs and execution efficiency are critical factors, as different brokers have varying commission structures that can impact trading frequency and scale [9][20]. - The quality of community engagement and information is also important, with platforms like Xueqiu and Futu NiuNiu providing valuable insights for users seeking inspiration from other investors [9][20].