ココカラダイアリー is a lifestyle app developed by Mitsui Sumitomo Insurance Company Limited. It aims to support users in their daily journey towards a healthy mind and body by providing a record-keeping feature for 10 health data categories, including exercise, diet, sleep, and a self-check feature for stress levels. The app allows users to record various health indicators such as weight, body fat percentage, body temperature, blood pressure, and pulse. The recorded data is presented in easy-to-read graphs, and users can set goals to track their progress. Additionally, the app offers a unique feature that measures stress levels by analyzing the user's heart rate using the smartphone's camera. It provides insights into one's daily mental well-being. The app also promotes health literacy by delivering useful information on various health topics, including diseases, medical knowledge, healthy eating, and healthy lifestyle tips. For corporate customers, the app offers a dedicated website to manage employee app usage and provides features like step rankings and health point management. This service aims to support employee health and wellness programs. Please note that the app requires Android 4.4 or above and NFC or Bluetooth functionality for wireless data transfer from health devices.