January 18, 2024
Y4.com Co.,Ltd.

Vital Gain Adds Check-In Limitation Feature for Health Promotion Events

Y4.com, Inc. (Headquartered in Chiyoda Ward, Tokyo, CEO: Yukinao Ashima) has added a check-in
limitation feature to the check-in function of the iOS version of the 'Vital Gain' app.
■Background
The 'Check-In Feature' launched in 2019 is a service function where users receive electronic money forgathering at designated locations during health promotion events. It has been well received in multipurpose events conducted by local governments and corporate health insurance associations. With thisupdate, a usage limitation can now be set for the QR codes scanned by the 'Vital Gain' app's check-infeature. This limitation allows the QR code to be scanned only a specified number of times.
【'Vital Gain' 'Check-In' Feature】■Service Details
The 'Check-In Feature' issues and provides QR codes for check-ins, aimed at facilitating participation incontests and granting incentives to winners. In this system, each QR code is designed to be used by only
one participant at a time, thereby enhancing convenience. By using this QR code, participation in multiple
events and acquisition of electronic money are also made possible.

(1) Event Organizer Settings
Event organizers pre-set the name, location, duration, start time, end time, and the number of electronicmoney points that can be earned at check-in for the event they are hosting. Once these are set up, adedicated QR code is sent to the event participants via email.
(2) Event Participants
Event participants log in to Vital Gain and go to the designated event location using the QR code sent tothem. At the location, they use the check-in feature of Vital Gain to earn electronic money.
■Overview of the Vital Gain Service
Vital Gain' is a health management app that tracks and collects vital data through multi-device
integration. It measures steps, heart rate, and sleep, and depending on the device's features, it provides
immediate insight into daily health status including energy balance of intake and expenditure, respiratory
rate during sleep, blood oxygen level, skin temperature, and skin pressure.
Vital Gain' features a wealth of behavior change functions, including a dashboard for visualizing over 50types of data, various contests with gamification elements, incentives for behavior change, advice basedon lifestyle logs, as well as community, feed, and Zoom's online features. These vital data can be provided
in a variety of ways to meet the needs of businesses and local governments, making it a valuable tool forefforts to extend healthy life expectancy.
Moving forward, by integrating IoT with healthcare, we aim to extend healthy lifespans, control medicalexpenses, and focus on disease prevention. Through 'Vital Gain', we will innovate individual healthmanagement and concentrate on providing sustainable healthcare solutions.
【Y4.com Co.,Ltd. Overview】[[Location] 4F Otemachi First Square East Tower, 1-5-1 Otemachi, Chiyoda-ku, Tokyo[Established]April 2012

[Representative] CEO Yukinao Ajima[Business Description] Healthcare Services Business, Import and Sale of IoT Devices Business[URL] https://y-4.jp/〈Inquiries Regarding This Matter〉
Y4.com Co.,Ltd. Administration Department
E-mail：info@y-4.jp