Study the capabilities for the Lite version described on this page along with those of the Indigo 4 Pro version to determine which product fits your specific home automation needs. In addition use this Product Comparison Chart for further detail on the Lite versus Pro versions. Indigo 4.1 Pro has ALL functions of Indigo 4 Lite plus a lot more. So if you don’t see some of the functionality you need in your home automation system, be sure and look for it in the Indigo 4 Pro version. At the bottom of this page you will find the discount upgrade option if you are an existing Indigo 1.x owner and want to move to Indigo 4 Lite. On the Indigo 4 Pro page you will also find an upgrade option to go directly from Indigo 1.8 to Indigo 4 Pro. Indigo 4 Lite is an intelligent home control server that integrates an assortment of popular X10 and INSTEON hardware devices to provide unprecedented control of your home. Indigo was the first Mac home automation software to support the PowerLinc USB interface which finally offered a Mac home automation solution that did not need costly USB to serial adapters! Using Indigo’s intuitive user interface you can quickly define complex control logic to automate your home. iPhone Native App Yes, it’s here by very popular demand! Indigo 4 (both Lite and Pro) includes compatibility with the free iPhone App called Indigo Touch. If you have an iPhone or iPod touch, then check out this best ever feature of the Indigo software. Read all about it on this Perceptive Automation page. You will be amazed at how seamlessly the App works with Indigo 4. Are you at Starbucks the next morning and don’t remember if you turned off the lights at home before you left? No problem. Just click on Indigo Touch on your iPhone. It will connect and pull in your folders with the status of your lights or other devices as you wish. Home Automation 101 Indigo communicates with X10 and INSTEON devices (like appliance or lamp modules) via one of the PowerLinc interfaces that is plugged into a normal home wall socket near your computer. The PowerLinc interfaces are USB devices that connect to your Mac and allow Indigo to both send and receive INSTEON (and/or X10) commands. Without a PowerLinc (or other interface like the CM11), there is obviously no way for Indigo to "hear" or send the commands on the power line. Therefore, you must have this hardware interface module along with your Indigo. See the comparison matrix link at the bottom of the page for more detail on the various interfaces. With Indigo 4 you can: