FAQs

All the essential information on Riiiver in one place.

What is Riiiver?: Riiiver is a service that enables users to create personalized, lifestyle-tailored forms of experience by connecting to IoT devices and a range of services, and they can then share with other users.

“Wouldn’t it be great if I could do this?”
“Wouldn’t it be convenient to have that function?”
Simply download the Riiiver app to your smartphone (iOS, Android) and make your whims and wishes come true.

Any plan to increase Riiiver connected devices?: We are planning to increase the Piece connected to devices. New official Piece will be published in the Riiiver app.

What do I need to start using Riiiver?: Download the Riiiver app to your smartphone.
Riiiver app requires iOS 12.0 or later, Android 6.0 and up.

・Riiiver app for iOS
・Riiiver app for Android

If you have Eco-Drive W510, the Riiiver-compatible watch, download the CITIZEN Eco-Drive W510 app to link your Eco-Drive W510 and your smartphone.
CITIZEN Eco-Drive W510 app requires iOS 12.0 or later, Android 8.0 and up.

・CITIZEN Eco-Drive W510 app for iOS
・CITIZEN Eco-Drive W510 app for Android

Is Riiiver free to use?: Yes, it is basically free to use. We are also looking into paid subscription services.

What is Piece or iiidea?: In Riiiver:
The functional modules that users assemble are called “Pieces.”
The functional items assembled from Pieces are called “iiidea.”

Users assemble the three types of Pieces – T, S, and A – to create a single iiidea.

T: Trigger Piece → a Piece that triggers an action
S: Service Piece → a Piece that provides a service
A: Action Piece → a Piece that outputs the service results

Do I have any user manual for Riiiver app?: You can check the Quick Start Guide for Riiiver app. Tap the menu icon at the top right of the screen > Quick Start Guide.

What kind of Piece is there?: There are three types of Pieces: "Trigger (T)" that triggers an action, "Service (S)" that you want to link, and "Action (A)" that causes an action.
For currently released Pieces, see the Piece list page (on the Riiiver Developers site).

How can I create an iiidea?: Riiiver app enables users to create personalized iiidea.
In Riiiver, there are three types of Pieces: "Trigger (T)" that triggers an action, "Service (S)" that you want to link, and "Action (A)" that causes an action. Users assemble the three types of Pieces – T, S, and A – to create a single iiidea.
To see a list of available Pieces, please check the following page:
https://app.riiiver.com/piece_list/piece_list.html

How can I get the update information of the Riiiver app.: You can check for updated information about Riiiver and the application via the "News" section in the app menu.

How can I use an iiidea with Apple Watch?: To use an iiidea on your Apple Watch, you need to download the "iiidea Player" app for iOS.
You can download iiidea from the iiidea Store within the app and transfer them from the app to the watch. Then now you are ready to use them on your watch app.
*iiidea Player is compatible with:
- iOS 12.0+
- watchOS 6.2+
*iiidea Player is not compatible with the 1st generation Apple Watches.
*Transferable iiidea is limited to iiidea compatible with Apple Watch.

Unable to transfer iiidea to Apple Watch: Downloading iiidea compatible with Apple Watch, they would be displayed on the "Apple Watch" list screen in the iiidea Player set menu. Select and transfer iiidea you want from the list.
Please note that when transferring iiidea to the Apple Watch, make sure that the watch app is also displayed.

iiidea is not working on Apple Watch: Using iiidea with your Apple Watch, you need to be paired with your smartphone. Please check the connection status with your smartphone.

What can I do with CITIZEN Eco-Drive W510 Watch and the app?: Please refer to the instruction manuals for your watches:
CITIZEN Eco-Drive W510