Big4+

Big4+ (Big Four Plus) is my mental health that can be known even by using a smartphone!

Record how you feel today. Even if you do not record every day, life log data helps you manage your mental health.

Check out how my mental health and physical activity were today!

It records your physical activity, mood, and sleep throughout the day. Select Additional Tests to easily add and edit mental health items such as stress, anxiety, and self-esteem, or physical health items such as headaches, back pain, and muscle pain.

Being physically active is good for your mental health. Check my physical activity level and monitor my mental health.

Monitor your sleep patterns through sleep scores and status. You can check your sleep score and improve your sleep quality.

Easily add tests on your physical and mental health that you usually care about. Monitor your daily health information.

This service is for monitoring and diagnosing mental health symptoms by medical institutions and medical staff. However, it cannot be used to diagnose disease or other conditions or to cure, mitigate, treat, or prevent any disease.

[Guidance on access rights]
The following access rights are required to provide the service.
In the case of optional access rights, it is possible to use the basic functions of the service even if not allowed.

[Optional access rights]
- location
User location information collection, travel distance measurement, nearby building navigation, user's current location address search
- physical activity
Step count, workout recognition, workout distance (meters)
- call
Call start time, call end time, call status (incoming, missed, outgoing, etc.) record, user address book storage name
- Sleep
bedtime start and end time, bedtime
- Smartphone usage
Device screen ON, device screen OFF time, type of app, classification of used app, time the app worked in the background