Relays · Head to head

Shelly 1 Gen4 vs Shelly 2PM Gen4

Full Smart Relays comparison in 2026

Updated June 2026
Data from Amazon and official Shelly site.
2026 verdict
Across the 2026 comparison, Shelly 1 Gen4 earns the nod over Shelly 2PM Gen4 on the strength of price, dry contact mode, and wet contact mode. What pushes it ahead is price, dry contact mode, and wet contact mode, and its broader overall balance keeps the advantage from looking narrow. The only strong reason to choose Shelly 2PM Gen4 is if rating, safety, and energy monitoring is more important to you than the overall verdict. That is why the final call still favors Shelly 1 Gen4.
vs
FeatureShelly 1 Gen4Shelly 2PM Gen4Winner
Price$24.99$38.99Shelly 1 Gen4
Rating4.44.6Shelly 2PM Gen4
SafetyOverheating protectionOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionShelly 2PM Gen4
Energy MonitoringNOYESShelly 2PM Gen4
Dry Contact ModeYESNOShelly 1 Gen4
Wet Contact ModeYESNOShelly 1 Gen4
Relay Channels12Different strengths
Warranty3 years3 yearsTie
ConnectivityBluetooth, ZigbeeBluetooth, ZigbeeTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Power Off MemoryNONOTie
Zibgee RouterYESYESTie

Frequently Asked Questions (FAQ)

Which is better overall: Shelly 1 Gen4 or Shelly 2PM Gen4?
Shelly 1 Gen4 has the stronger overall profile in this comparison, especially for price, dry contact mode, and wet contact mode.
What is the biggest difference between Shelly 1 Gen4 and Shelly 2PM Gen4?
Price is one of the clearest differences: Shelly 1 Gen4 lists $24.99, while Shelly 2PM Gen4 lists $38.99.
Which one looks better on price?
Shelly 1 Gen4 is listed at $24.99, while Shelly 2PM Gen4 is listed at $38.99. Shelly 1 Gen4 (better spec).
Who should buy Shelly 1 Gen4?
Choose Shelly 1 Gen4 if your priority is price and dry contact mode and that matters more than rating.
Who should buy Shelly 2PM Gen4?
Choose Shelly 2PM Gen4 if your priority is rating and safety and that matters more than price.
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