Energy Monitors · Head to head

SONOFF POWCT vs Zemismart SDM01

Full Smart Energy Monitors comparison in 2026

Data from Amazon and official Sonoff and Zemismart sites.
2026 verdict
SONOFF POWCT wins the 2026 matchup against Zemismart SDM01, mainly on price, integrations, and data & monitoring. It wins the broader comparison through price, integrations, and data & monitoring, while relay output and load management help confirm the result. You should still consider Zemismart SDM01 if metering matters more than raw overall balance. That is why the final call still favors SONOFF POWCT.
FeatureSONOFF POWCTZemismart SDM01Winner
Price$38.19$82.61SONOFF POWCT
MeteringSolar Net MeteringThree-Phase Support, Solar Net Metering, Power Factor ReadingsZemismart SDM01
IntegrationsGoogle Home, Alexa, Samsung SmartThings, Home Assistant, IFTTTHome AssistantSONOFF POWCT
Data & MonitoringData Export, Usage AlertsUsage AlertsSONOFF POWCT
Relay OutputYESNOSONOFF POWCT
Load ManagementYESNOSONOFF POWCT
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Connectivity2.4 GHz WiFiZigbeeTie
Winner
  • + Price: $38.19
  • + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT
  • + Data & Monitoring: Data Export, Usage Alerts
  • - Metering: Solar Net Metering vs Three-Phase Support, Solar Net Metering, Power Factor Readings
50% OFF
$82.61
$165.22
  • + Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings
  • - Price: $82.61 vs $38.19
  • - Integrations: Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT

Frequently Asked Questions

Which is better overall: SONOFF POWCT or Zemismart SDM01?

SONOFF POWCT has the stronger overall profile in this comparison, especially for price, integrations, and data & monitoring.

What is the biggest difference between SONOFF POWCT and Zemismart SDM01?

Price is one of the clearest differences: SONOFF POWCT lists $38.19, while Zemismart SDM01 lists $82.61.

Which one looks better on price?

SONOFF POWCT is listed at $38.19, while Zemismart SDM01 is listed at $82.61. SONOFF POWCT (better spec).

Who should buy SONOFF POWCT?

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

Who should buy Zemismart SDM01?

Choose Zemismart SDM01 if your priority is metering and that matters more than price.

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