Emotion is an application that helps users find out the reasons for emotional fluctuations, changes in emotions, and low energy in 1 minute. Users just need to observe the color ring and select the color that first attracts them, then choose the remaining colors based on their preferences. Finally, the application will give a detailed emotional description, and provide monthly summaries and mood charts. This application can also monitor anxiety, productivity, and energy levels, making it the ultimate tool for understanding your inner self, emotional fluctuations, and work efficiency. Users can use this application on iPhone, iPad, and Apple Watch.