Shelly EM Gen4 vs SONOFF POWCT comparison

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. The main reason it wins is rating, warranty, and metering, and connectivity and integrations 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.

Winner

Shelly

Shelly EM Gen4

Price unavailable right now

Buy on Amazon Germany Buy on Official Store

Sonoff

SONOFF POWCT

$38.19

Buy on Amazon USA

Feature	Shelly EM Gen4	SONOFF POWCT	Winner
Rating	4.7	4.5	Shelly EM Gen4
Warranty	3 years	1 year	Shelly EM Gen4
Metering	Solar Net Metering, Power Factor Readings	Solar Net Metering	Shelly EM Gen4
Connectivity	2.4 GHz WiFi, Bluetooth, Zigbee	2.4 GHz WiFi	Shelly EM Gen4
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT	Shelly EM Gen4
Data & Monitoring	Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts	Data Export, Usage Alerts	Shelly EM Gen4
Local Control	Local API, MQTT, Local Web Interface	None	Shelly EM Gen4
Breaker Panel Install	YES	YES	Tie
Smart Meter Port	NO	NO	Tie
Relay Output	YES	YES	Tie
Load Management	YES	YES	Tie

Winner

Shelly

Shelly EM Gen4

Price unavailable right now

Buy on Amazon Germany Buy on Official Store

+ Rating: 4.7
+ Warranty: 3 years
+ Metering: Solar Net Metering, Power Factor Readings

Sonoff

SONOFF POWCT

$38.19

Buy on Amazon USA

- Rating: 4.5 vs 4.7
- Warranty: 1 year vs 3 years

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 4.7, 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.

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