Here is another WiFi connected light bulb that you can control with voice commands. The WiZ WiFi Light Bulb is compatible with iOS and Android devices. No hub or bridge is required. You will be able to control light bulbs individually or as a group. A bunch of IFTTT applets are also available for it.
The WiZ Light Bulb comes with a vacation mode too. You can get it for under $35 at this time.