Information(about issues)
Announcement
- [2025/01/16] Grand Sumo App [ver 2.0.3]release
- [2024/12/09] Grand Sumo App [ver 2.0.2]release
- [2024/10/01] 10/13～10/14、10/21～10/22 Maintenance of "Information (Help) and Inquiries"
- [2024/08/28] Grand Sumo App [ver 1.10.12]release
- [2024/08/07] 08/08,08/25 Maintenance of "Information (Help) and Inquiries"
- [2024/05/27] Grand Sumo App [ver 1.10.10]release
About this App
System requirements
Main features of the app
- Honbasho (Tournament) Information
- Kanto-Seishin Rikishi (Rikishi with the Most Fighting Spirit)
- Gohiiki (Favorites)
- Rikishi Search
- Torikumi Videos
- Photo Gallery
Tanimachi (Premium Member)
When You Change Your Device
Time of Information Announcements
Other
Troubleshooting(FAQ)
Launch application
Tanimachi (Premium Member)
- How to cancel the membership of Tanimachi Free Trial
- How to subscribe/unsubscribe the Tanimachi Membership.
- When is the renewal date of my Tanimachi Membership subscription?
- I subscribe Tanimachi but the app doesn't recognize me as Tanimachi
- Though I canceled Tanimachi, there is still claim for payment.
- How to continue / cancel your tanimachi membership after changing models from "iOS device"