Winner
Updated November 2026
Data from the official Shelly and Zemismart sites.
2026 verdict
Shelly Pro 3EM 3CT63 has the better all-around case than Zemismart SDM01 in 2026, starting with connectivity, integrations, and local control.
The main reason it wins is connectivity, integrations, and local control, and load management strengthens that case. You should still consider Zemismart SDM01 if price matters more than raw overall balance. For most setups, Shelly Pro 3EM 3CT63 is the smarter buy.
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| Feature | Shelly Pro 3EM 3CT63 | Zemismart SDM01 | Winner |
|---|---|---|---|
| Price | $150.99 | $82.61 | Zemismart SDM01 |
| Connectivity | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Zigbee | Shelly Pro 3EM 3CT63 |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant | Home Assistant | Shelly Pro 3EM 3CT63 |
| Local Control | Local API, MQTT, Local Web Interface | None | Shelly Pro 3EM 3CT63 |
| Load Management | YES | NO | Shelly Pro 3EM 3CT63 |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Three-Phase Support, Solar Net Metering, Power Factor Readings | Tie |
| 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 | Usage Alerts | Tie |
| Relay Output | NO | NO | Tie |
| Local Control | YES | YES | Tie |
Winner
$150.99
- + Connectivity: 2.4 GHz WiFi, Ethernet, Bluetooth, Other
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
- + Local Control: Local API, MQTT, Local Web Interface
- - Price: $150.99 vs $82.61
50% OFF
$82.61
$165.22
- + Price: $82.61
- - Connectivity: Zigbee vs 2.4 GHz WiFi, Ethernet, Bluetooth, Other
- - Integrations: Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: Shelly Pro 3EM 3CT63 or Zemismart SDM01?
Shelly Pro 3EM 3CT63 has the stronger overall profile in this comparison, especially for connectivity, integrations, and local control.
What is the biggest difference between Shelly Pro 3EM 3CT63 and Zemismart SDM01?
Price is one of the clearest differences: Shelly Pro 3EM 3CT63 lists $150.99, while Zemismart SDM01 lists $82.61.
Which one looks better on price?
Shelly Pro 3EM 3CT63 is listed at $150.99, while Zemismart SDM01 is listed at $82.61. Zemismart SDM01 (better spec).
Who should buy Shelly Pro 3EM 3CT63?
Choose Shelly Pro 3EM 3CT63 if your priority is connectivity and integrations and that matters more than price.
Who should buy Zemismart SDM01?
Choose Zemismart SDM01 if your priority is price and that matters more than connectivity.
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