Shelly 1 Gen4 vs Shelly 2PM Gen3

For most buyers in 2026, Shelly 1 Gen4 is the safer pick over Shelly 2PM Gen3 because of safety, connectivity, and integrations. Its strongest advantages show up in safety, connectivity, and integrations, with dry contact mode and wet contact mode helping widen the gap. There is still a case for Shelly 2PM Gen3, but mainly if rating and energy monitoring is what you value most. That is enough to make Shelly 1 Gen4 the better pick for most buyers.