JRC
Welcome to the official mobile phone app for JRC
Japan Convention Services · jp.co.convention.jrc2019
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.1.3 (11)
- Updated
- Mar 15, 2026 (7 months ago)
- APK size
- 18.6 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Medical (app)
- Listed since
- Apr 13, 2025 (at least)
- Permissions
- 19 (3 sensitive)
- Website
- j-rc.org/jrc/index.html
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
JRC is an app by Japan Convention Services in the Medical category, listed since at least April 2025. It has no native code, so it runs on any Android processor.
It asks for 19 permissions, 3 of them sensitive: find accounts on the device, read calendar and write calendar. It asks for the same permissions as version 1.1.1. The app can read the advertising ID that ad and analytics services use.
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v1.1.1.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Mar 15, 2026.
- Certificate issued to “jca” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Mar 15, 2026
- Validated against Google Play Mar 15, 2026
- Signed byCN=Kuniaki Takahashi, OU=jca, O=jca, L=Chiyoda-ku, ST=Tokyo, C=JP
- Signing certificate (SHA-1)54:42:F6:EF:F0:A3:83:31:55:4A:B2:46:CB:7A:1B:8A:3F:73:C6:A3
- File MD5857dc8d6bca31c1654ab460cc1a1a237
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (19)
JRC requests 19 permissions, 3 of them sensitive.
- Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
- Read calendar Sensitive android.permission.READ_CALENDAR
- Write calendar Sensitive android.permission.WRITE_CALENDAR
- Advertising ID com.google.android.gms.permission.AD_ID
- Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Get tasks android.permission.GET_TASKS
- Internal broadcast protection (app-defined) jp.co.convention.jrc2019.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Manage accounts android.permission.MANAGE_ACCOUNTS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Push messaging (app-defined) jp.co.convention.jrc2019.permission.C2D_MESSAGE
- Read sync settings android.permission.READ_SYNC_SETTINGS
- Read sync stats android.permission.READ_SYNC_STATS
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Show notifications android.permission.POST_NOTIFICATIONS
- Use credentials android.permission.USE_CREDENTIALS
- View network connections android.permission.ACCESS_NETWORK_STATE
- Write sync settings android.permission.WRITE_SYNC_SETTINGS
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
JRC APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the JRC APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 857dc8d6bca31c1654ab460cc1a1a237.
