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Pro Tracks energy spent, allowing for easy tracking
You can easily view how much energy the plugged in device is using (in watts), however the app doesn't show the costs of the power (you can figure this out yourself, but it would have been nice to be included).
Pro HomeKit compatible
HomeKit is created by Apple, and uses Siri to control the smart devices connected with HomeKit. It also allows for grouping devices so that a single command can trigger different devices to do different things.
Pro Easy setup
Setup is as easy as downloading the Eve app, add the device, type in a code (or scan it automatically), and tell it where it is located (easier to control down the road).
Pro Schedule devices to turn on or off automatically
The Eve Energy supports a useful scheduling function. Once set up, the lights will turn themselves on and off automatically based on your preferences.
Con Blocks plugs beneath it
This plug is physically large, and will block sockets if placed in the top wall socket. If placed in the bottom socket, the other socket will be available however it will hang past where the socket ends providing an eyesore.
Con Apple TV required for at-a-distance control
Without an Apple TV, you can only control devices locally using Bluetooth. This range is very limited. With an Apple TV however, you can control the device from anywhere you have access to Wi-Fi.