Energy Monitors · Head to head

Shelly EM Gen4 vs SONOFF POWCT

Full Smart Energy Monitors comparison in 2026

Updated September 2026
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
Shelly EM Gen4 wins the 2026 matchup against SONOFF POWCT, mainly on rating, warranty, and metering.
Shelly EM Gen4
Winner
Shelly EM Gen4
Buy on Amazon UKCheck price
The main reason it wins is rating, warranty, and metering, and connectivity and data & monitoring strengthen that case. SONOFF POWCT is the better fit only for buyers who prioritize its specific feature mix above everything else here. As a general recommendation, Shelly EM Gen4 comes out on top.
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FeatureShelly EM Gen4SONOFF POWCTWinner
Rating4.64.5Shelly EM Gen4
Warranty3 years1 yearShelly EM Gen4
MeteringSolar Net Metering, Power Factor ReadingsSolar Net MeteringShelly EM Gen4
Connectivity2.4 GHz WiFi, Bluetooth, Zigbee2.4 GHz WiFiShelly EM Gen4
Data & MonitoringEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsData Export, Usage AlertsShelly EM Gen4
Local ControlLocal API, MQTT, Local Web InterfaceNoneShelly EM Gen4
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Relay OutputYESYESTie
Load ManagementYESYESTie

Frequently Asked Questions

Which is better overall: Shelly EM Gen4 or SONOFF POWCT?

Shelly EM Gen4 has the stronger overall profile in this comparison, especially for rating, warranty, and metering.

What is the biggest difference between Shelly EM Gen4 and SONOFF POWCT?

Rating is one of the clearest differences: Shelly EM Gen4 lists 4.6, while SONOFF POWCT lists 4.5.

Who should buy Shelly EM Gen4?

Choose Shelly EM Gen4 if your priority is rating and warranty and that matters more than the competing advantages.

Who should buy SONOFF POWCT?

Choose SONOFF POWCT if your priority is its specific strengths and that matters more than rating.

Full comparison table

Compare all 23 Energy Monitors side by side

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  • 23 Energy Monitors
  • 46 specs compared
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