Rubio is an Android app developed by Cuadernos Rubio (Cuadernos Rubio Gran Vía Marqués del Turia, 2-19ª. 46005 Valencia, España).

Rubio first became available on 25 Dec 2013. It is estimated that Rubio has been downloaded between 50000 and 100000 times from the Play Store.

Rubio 2.0.9 requires the following permissions:

Allows applications to access information about networks.

Allows access to the list of accounts in the Accounts Service.

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.