Energy Monitors · Head to head

Shelly EM Gen4 vs SONOFF POWCT

Full Smart Energy Monitors comparison in 2026

Updated October 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
€65.12€67.003% OFF

Last recorded price

Buy on Amazon Belgium
The main reason it wins is rating, warranty, and metering, and connectivity and local control strengthen that case. SONOFF POWCT is the better fit only for buyers who prioritize price above everything else here. As a general recommendation, Shelly EM Gen4 comes out on top.
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FeatureShelly EM Gen4SONOFF POWCTWinner
Price€65.12$38.19SONOFF POWCT
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
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
Data & MonitoringEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsData Export, Usage AlertsTie
Relay OutputYESYESTie
Load ManagementYESYESTie
Winner
Shelly

Shelly EM Gen4

3% OFF
Prime exclusive deal
€65.12
€67.00

Last recorded price

Buy on Amazon Belgium
  • + Rating: 4.6
  • + Warranty: 3 years
  • + Metering: Solar Net Metering, Power Factor Readings
  • - Price: €65.12 vs $38.19

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Shelly EM Gen4
  • SONOFF POWCT

Loading price history...

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?

Price is one of the clearest differences: Shelly EM Gen4 lists €65.12, while SONOFF POWCT lists $38.19.

Which one looks better on price?

Shelly EM Gen4 is listed at €65.12, while SONOFF POWCT is listed at $38.19. SONOFF POWCT (better spec).

Who should buy Shelly EM Gen4?

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

Who should buy SONOFF POWCT?

Choose SONOFF POWCT if your priority is price and that matters more than rating.

Full comparison table

Compare all 25 Energy Monitors side by side

You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 25 Energy Monitors
  • 46 specs compared
  • 43 filters
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