HeatMap: Visual Stock Map is a free iPhone application developed by Seungsik Woo. It falls under the category of Business & Productivity with a subcategory of Finance. This app provides users with the ability to find stock trends of domestic and foreign companies by searching for a country or stock index.

With HeatMap, users can view the heatmap based on market cap, trading value, and short-selling. This allows them to visualize the performance of different stocks and make informed investment decisions. The app also offers information on foreign stocks of 19 countries, including the United States, China, and Japan.

Additionally, HeatMap allows users to view the company ranking by industry. They can visually see the value of companies in 35 industries, such as automakers, airlines, and banks. This feature provides valuable insights into the performance of different sectors.

Furthermore, HeatMap supports 10 coin categories, including Metaverse and NFT, along with a crypto market cap heatmap. Users can check the dominance of coins in each category, giving them a comprehensive view of the cryptocurrency market.

The app also provides a market overview, including information on major indexes, futures, raw materials, and foreign exchange. Users can receive notifications when the market closes, keeping them updated on the latest market trends.

Overall, HeatMap: Visual Stock Map is a powerful tool for investors and traders, offering a wide range of features to analyze stock trends and make informed decisions. It provides a user-friendly interface and valuable insights into the global stock market.