Are the sensors in the 3rd Generation version different from the sensors in the 2nd Generation version? Follow There is no difference between the sensors aside from the firmware which allows us to distinguish between subscription and non-subscription sensor types. Related articles As you move to a subscription product will there be new features coming? Will the 2nd generation and 1st generation non-subscription versions ever require a subscription? I just bought a set of Arccos Caddie Smart Sensors, do I now require a subscription? Why are you transitioning Arccos Caddie Smart Sensors to a subscription product? How can I differentiate between both versions?