Winner
Updated November 2026
Data from the official Shelly and Zemismart sites.
2026 verdict
Shelly EM Mini Gen4 has the better all-around case than Zemismart SDM01 in 2026, starting with price, connectivity, and integrations.
Its clearest strengths are price, connectivity, and integrations, and it still looks stronger on local control. Zemismart SDM01 still makes sense if metering is your priority, but most buyers should still lean toward Shelly EM Mini Gen4. That is why the final call still favors Shelly EM Mini Gen4.
vs
50% OFF
$82.61
$165.22
Works with
Connectivity
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| Feature | Shelly EM Mini Gen4 | Zemismart SDM01 | Winner |
|---|---|---|---|
| Price | $24.99 | $82.61 | Shelly EM Mini Gen4 |
| Metering | None | Three-Phase Support, Solar Net Metering, Power Factor Readings | Zemismart SDM01 |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Zigbee | Zigbee | Shelly EM Mini Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Home Assistant | Shelly EM Mini Gen4 |
| Local Control | Local API, MQTT, Local Web Interface | None | Shelly EM Mini Gen4 |
| 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 |
| Load Management | NO | NO | Tie |
| Local Control | YES | YES | Tie |
Winner
$24.99
- + Price: $24.99
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Metering: None 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 $24.99
- - Connectivity: Zigbee vs 2.4 GHz WiFi, Bluetooth, Zigbee
Frequently Asked Questions
Which is better overall: Shelly EM Mini Gen4 or Zemismart SDM01?
Shelly EM Mini Gen4 has the stronger overall profile in this comparison, especially for price, connectivity, and integrations.
What is the biggest difference between Shelly EM Mini Gen4 and Zemismart SDM01?
Price is one of the clearest differences: Shelly EM Mini Gen4 lists $24.99, while Zemismart SDM01 lists $82.61.
Which one looks better on price?
Shelly EM Mini Gen4 is listed at $24.99, while Zemismart SDM01 is listed at $82.61. Shelly EM Mini Gen4 (better spec).
Who should buy Shelly EM Mini Gen4?
Choose Shelly EM Mini Gen4 if your priority is price and connectivity 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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