Yes, RDPlus is compatible with iPhoneiPad or Android devices.

Solution number 1: Use the Web access with an HTML5 connection client which enables the connection from almost any html5 compatible web browser (SafariFirefox or Opera for example)
Solution number 2: connect to your RDPlus server with any RDP client for IPhone/IPad/Android, but be aware that are third part clients which may not implement printing at all or only on own way. 

We do not track support of third part clients or their specific features!