Relays · Head to head

Shelly i4 Gen4 vs Shelly Plus 2PM

Full Smart Relays comparison in 2026

Updated October 2026
Data from Amazon and official Shelly site.
2026 verdict
Shelly Plus 2PM is the more complete option versus Shelly i4 Gen4 in 2026, helped most by safety, relay channels, and energy monitoring.
Shelly Plus 2PM
Winner
Shelly Plus 2PM
$38.18

Last recorded price

Buy on Amazon USA
It wins the broader comparison through safety, relay channels, and energy monitoring, while wet contact mode helps confirm the result. Shelly i4 Gen4 remains a niche alternative if connectivity, integrations, and zigbee router matter more than the rest of the comparison. That is enough to make Shelly Plus 2PM the better pick for most buyers.
vs
Winner
Shelly Plus 2PM
Shelly
#3 Best Seller in Relays

Shelly Plus 2PM

Prime exclusive deal
$38.18
50% above its lowest price of the last 6 months ($25.49)
24% above its lowest price of the last 6 months (€22.90)

Last recorded price

Buy on Amazon USA
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FeatureShelly i4 Gen4Shelly Plus 2PMWinner
SafetyOverheating protectionOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionShelly Plus 2PM
Connectivity2.4 GHz WiFi, Bluetooth, Zigbee2.4 GHz WiFi, BluetoothShelly i4 Gen4
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly i4 Gen4
Relay Channels02Shelly Plus 2PM
Energy MonitoringNOYESShelly Plus 2PM
Wet Contact ModeNOYESShelly Plus 2PM
Zigbee RouterYESNOShelly i4 Gen4
Warranty3 years3 yearsTie
Dry Contact ModeNONOTie
Shelly

Shelly i4 Gen4

Price unavailable right now

Last recorded price

Buy on Official Store
  • + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • + Zigbee Router: YES
  • - Safety: Overheating protection vs Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
  • - Relay Channels: 0 vs 2
Winner
Shelly

Shelly Plus 2PM

Prime exclusive deal
$38.18

Last recorded price

Buy on Amazon USA
  • + Safety: Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
  • + Relay Channels: 2
  • + Energy Monitoring: YES
  • - Connectivity: 2.4 GHz WiFi, Bluetooth vs 2.4 GHz WiFi, Bluetooth, Zigbee
  • - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions

Which is better overall: Shelly i4 Gen4 or Shelly Plus 2PM?

Shelly Plus 2PM has the stronger overall profile in this comparison, especially for safety, relay channels, and energy monitoring.

What is the biggest difference between Shelly i4 Gen4 and Shelly Plus 2PM?

Safety is one of the clearest differences: Shelly i4 Gen4 lists Overheating protection, while Shelly Plus 2PM lists Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection.

Who should buy Shelly i4 Gen4?

Choose Shelly i4 Gen4 if your priority is connectivity and integrations and that matters more than safety.

Who should buy Shelly Plus 2PM?

Choose Shelly Plus 2PM if your priority is safety and relay channels and that matters more than connectivity.

Full comparison table

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  • 53 specs compared
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