ⓘ Notice


YF20

January 11, 2022

We changed version information on "Requirements for connection" as below:
"Android OS 5.0 - 11.0" -> "Android OS 5.0 -12.0"
"iOS 10.0 - 15.0" -> "iOS 10.0 - 15.3".

January 11, 2022

Thank you for your patience today during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

December 28, 2021

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

January 11, 2022 10:00 a.m. – 3:00 p.m. (Japan Time / 5 hours)

(Depending on conditions, the period may become longer.)


Unavailable service during the maintenance

· Usage of iiideas


We apologize in advance for any inconvenience this may cause.