Updated November 2026
Data from the official Refoss and Shelly sites.
2026 verdict
Shelly EM Gen4 is the more complete option versus Refoss EM06P in 2026, helped most by price, rating, and warranty.
The comparison tilts its way because of price, rating, and warranty, with connectivity and integrations keeping it in front. Refoss EM06P remains a niche alternative if metering matters more than the rest of the comparison. That is why the final call still favors Shelly EM Gen4.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
Winner
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| Feature | Refoss EM06P | Shelly EM Gen4 | Winner |
|---|---|---|---|
| Price | £80.80 | £63.84 | Shelly EM Gen4 |
| Rating | 4.1 | 4.8 | Shelly EM Gen4 |
| Warranty | 2 years | 3 years | Shelly EM Gen4 |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Solar Net Metering, Power Factor Readings | Refoss EM06P |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth, Zigbee | Shelly EM Gen4 |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Shelly EM Gen4 |
| Data & Monitoring | Energy Cost Tracking, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly EM Gen4 |
| Relay Output | NO | YES | Shelly EM Gen4 |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Local Control | Local API, MQTT, Local Web Interface | Local API, MQTT, Local Web Interface | Tie |
| Load Management | YES | YES | Tie |
£80.80
- + Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings
- - Price: £80.80 vs £63.84
- - Rating: 4.1 vs 4.8
Winner
£63.84
- + Price: £63.84
- + Rating: 4.8
- + Warranty: 3 years
- - Metering: Solar Net Metering, Power Factor Readings vs Three-Phase Support, Solar Net Metering, Power Factor Readings
Frequently Asked Questions
Which is better overall: Refoss EM06P or Shelly EM Gen4?
Shelly EM Gen4 has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Refoss EM06P and Shelly EM Gen4?
Price is one of the clearest differences: Refoss EM06P lists £80.80, while Shelly EM Gen4 lists £63.84.
Which one looks better on price?
Refoss EM06P is listed at £80.80, while Shelly EM Gen4 is listed at £63.84. Shelly EM Gen4 (better spec).
Who should buy Refoss EM06P?
Choose Refoss EM06P if your priority is metering and that matters more than price.
Who should buy Shelly EM Gen4?
Choose Shelly EM Gen4 if your priority is price and rating and that matters more than metering.
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