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MObile CHeck-in App
For safe and reassuring
Campus life

MOCHA aims to monitor contact
and congestion in the University of Tokyo,
which enables classroom reservation
and access to congestion status in campus.

2023/4/10

Reporting of the COVID-19 infection and contact notification using MOCHA has been terminated.

2022/1/5

The Andoid version is now available. You can download it from the link at the top of this page.

2021/12/14

The release of the Andoid version is temporarily suspended. Please wait for a while as we are working on the procedure.

2021/7/6

To users using Android smartphone: Please update your application to version 1.2.20, for there was a serious bug in the previous one.

2021/6/10

Due to the high load caused by the increase in the number of accesses, the system is experiencing some problems. We apologize for any inconvenience this may cause. (P.S.) The problem has been fixed around 18:50.

2021/4/5

Due to the high load caused by the increase in the number of users, the system is experiencing some problems. We apologize for any inconvenience this may cause.

2021/4/1

It has been confirmed that some Sony Xperia models consume more power. We apologize for any inconvenience.

2021/4/1

English is available on the website!

2020/11/1

Applications for iOS and Android was released.

2020/10/24

Congestion map was released.

About MOCHA

New standard in the campus under COVID-19 crisis.

MOCHA(MObile CHeck-in Application) is an information service for students and staff in the University of Tokyo.
MOCHA allows you to make reservations and keep track of your location histories in public spaces at the University of Tokyo.
MOCHA will contain the features that complement the functionality of the government's COVID-19 Contact-Confirming Application, COCOA, while respecting privacy.

Providing congestion statistics

Providing congestion statistics

Making reservation

Making reservation to use classrooms and shared spaces

Sharing locations with limited people

Sharing access data to specific locations such as classrooms, club rooms, and laboratories with pre-authorized users

Complementing COCOA

COVID-19陽性判定者の同意のもと、記録された滞在情報を利用して精度の高い接触通知を実行

Congestion status

Congestion Status is available by using the information acquired from multiple systems such as MOCHA.
It is currently available for the entire area of Komaba Campus and partial areas of Hongo campus.
You can find uncrowded classrooms along with their capacity and the number of electrical outlets.
Please use the congestion status to decide the classrooms to use.

How MOCHA works

0

MOCHA-installed smartphones receive signals from Bluetooth beacons installed in over 1500 classrooms on the Komaba and Hongo campus, and your location information on campus is recorded.

1

MOCHA has multiple "channels" that provide various functions such as providing congestion status and making reservation of classrooms. By selecting the channel to join, you can select the information to be disclosed to other users.

2

The recorded information will be uploaded to the server in a form that can only be viewed by the user. and will be available to other users anonymously or under a nickname, based on the settings of the channel the user is participating.

About privacy

MOCHA is designed so that the users can decide the usage of their personal data.
Prease check privacy policy for more details.
Please refer to Terms of Service if necessary.

STAFF

Professor

Yoshihiro Kawahara

Professor

Kaoru Sezaki

Associate Professor

Ryo Natsuaki

Lecturer

Yuuki Nishiyama

Lecturer

Yonosuke Yasuda

Project Researcher

Hiroaki Murakami

Staff

Saiko Akabane

M2

Shunsuke Oka

M2

Riku Yamashita

M1

Yusuke Ebihara

M1

Reigo Ban

M1

Ryo Yoshikawa

M1

Issey SUkeda

M1

Kazusato Oko

B4

Eiga Inoue

B3

Tomohiro Ohno

B3

Yuki Hata

B3

Hinata Miyagaki

Hiroya Komatsu

Past members

Chika Okuda

Ryuhei Kurasawa

Jun Takahashi

Shoko Kawase

Ryuichi Hirayama

Yuta Moroi

Riko Seno

Yo Takeda

Yuki Kajitani

Rintaro Chujo

Tamayo Suzaki

Haruki Matsui

Goshi Ichikawa

Kenta Kano

Yuki Sano

Haruo Kondo

Yuto Yoshihara

CONTACT

If you have any questions, please feel free to contact the UTokyo MOCHA project team.