Winner
Updated November 2026
Data from the official Shelly and Sonoff sites.
2026 verdict
Shelly EM Gen3 edges out SONOFF POWCT in 2026, led by rating, warranty, and metering.
What pushes it ahead is rating, warranty, and metering, and connectivity and local control keep the advantage from looking narrow. Pick SONOFF POWCT only when price and integrations are the deciding factor for your setup. For most setups, Shelly EM Gen3 is the smarter buy.
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| Feature | Shelly EM Gen3 | SONOFF POWCT | Winner |
|---|---|---|---|
| Price | $69.99 | $38.19 | SONOFF POWCT |
| Rating | 4.6 | 4.5 | Shelly EM Gen3 |
| Warranty | 3 years | 1 year | Shelly EM Gen3 |
| Metering | Solar Net Metering, Power Factor Readings | Solar Net Metering | Shelly EM Gen3 |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi | Shelly EM Gen3 |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | SONOFF POWCT |
| Local Control | Local API, MQTT, Local Web Interface | None | Shelly EM Gen3 |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Data & Monitoring | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Data Export, Usage Alerts | Tie |
| Relay Output | YES | YES | Tie |
| Load Management | YES | YES | Tie |
Winner
$69.99
- + Rating: 4.6
- + Warranty: 3 years
- + Metering: Solar Net Metering, Power Factor Readings
- - Price: $69.99 vs $38.19
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
$38.19
- + Price: $38.19
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.5 vs 4.6
- - Warranty: 1 year vs 3 years
Frequently Asked Questions
Which is better overall: Shelly EM Gen3 or SONOFF POWCT?
Shelly EM Gen3 has the stronger overall profile in this comparison, especially for rating, warranty, and metering.
What is the biggest difference between Shelly EM Gen3 and SONOFF POWCT?
Price is one of the clearest differences: Shelly EM Gen3 lists $69.99, while SONOFF POWCT lists $38.19.
Which one looks better on price?
Shelly EM Gen3 is listed at $69.99, while SONOFF POWCT is listed at $38.19. SONOFF POWCT (better spec).
Who should buy Shelly EM Gen3?
Choose Shelly EM Gen3 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 integrations and that matters more than rating.
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