スクナ — 新時代の健康管理

◉Sukuna
Sukuna is an app designed to support clean and healthy life.

Maintaining a healthy lifestyle in daily life requires moderate exercise, quality sleep, basic hygiene and infection control. It may also be necessary to quickly detect when something is wrong with your health and determine if you need medical attention.

Sukuna has the ability to measure and record various healthcare data and transmit the data to other users.

Sukuna alerts you if your blood oxygen saturation drops. Sukuna has the ability to automatically record blood oxygen saturation, number of steps, distance walking and running, and number of hand washings, and display, export, and alert if needed.

Please see below for details of each function.


◯Blood oxygen saturation
Measures and displays oxygen saturation; requires Apple Watch Series 6 or later.
When wearing an Apple Watch, oxygen saturation is automatically measured without activating the Sukuna on the iPhone. The measured data can be checked on Sukuna. The data can also be exported in CSV format.
Oxygen saturation is measured and recorded using iOS HealthKit.

◯Measurement of hand washing frequency
Measures the number of hand washings, requiring an Apple Watch Series 4 or later. Apple Watch must be worn at the time of measurement.
The measured number of hand washings can be checked in the app or exported in CSV format. This function uses HealthKit of iOS.

◯Pedometer
The iPhone's sensor is used to measure the number of steps taken. It is not necessary to have the Sukuna running in order to take measurements.
The number of steps recorded can be checked in the app and exported in CSV format. This function uses HealthKit of iOS.

◯Measurement of walking and running distances
The iPhone's sensor is used to measure the distance traveled by walking and running. The app does not need to be running for the measurement.
Measured distances can be viewed within the app and exported in CSV format. This function uses HealthKit of iOS.


◉Required Devices
The following devices are required to use Sukuna's functions.

○Distance and number of steps for walking and running
You can measure the data using only your iPhone.

○Number of times you wash your hands
Series 4 or later Apple Watch is required.

○ Oxygen Saturation
Requires Apple Watch Series 6 or later.


◉Paid features (In-App Purchase)
Users can measure, record, export and send health data to other users free of charge.
To view other user's data, you need to subscribe to a subscription. The subscription course varies depending on how many users' data you need to view.

○Sukuna Subscription (5 users)
You can receive health data for up to 5 users.

○Sukuna Subscription (10 users)
You can receive health data for up to 10 users.

○Sukuna Subscription (20 users)
You can receive health data for up to 20 users.

○Sukuna Subscription (50 users)
You can receive health data for up to 50 users.

○Sukuna Subscription (100 users)
You can receive health data for up to 100 users.