Forbes has recently featured an article that compares ChargePoint Flex and Enel X JuiceBox charging stations. There are a lot of Level 2 chargers out there. Two devices stand above the rest, however. The JuiceBox 40 and ChargePoint Flex are truly next-generation chargers with attractive designs, convenient features, and integrated apps that do much more than keep track of kilowatt hours pumped into your vehicle. If you live in an area with an Enel X public charging network, the ability to earn JuicePoints while charging at home can't be ignored.
You can read about this comparison in details here.