Winner
Updated October 2026
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
Between Shelly EM Mini Gen4 and SONOFF POWCT, Shelly EM Mini Gen4 is the better overall pick in 2026, leading on price, warranty, and connectivity.
Its clearest strengths are price, warranty, and connectivity, and it still looks stronger on local control. SONOFF POWCT is still relevant if you care most about relay output and load management, but Shelly EM Mini Gen4 is the stronger recommendation overall. As a general recommendation, Shelly EM Mini Gen4 comes out on top.
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| Feature | Shelly EM Mini Gen4 | SONOFF POWCT | Winner |
|---|---|---|---|
| Price | $24.99 | $38.19 | Shelly EM Mini Gen4 |
| Warranty | 3 years | 1 year | Shelly EM Mini Gen4 |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Zigbee | 2.4 GHz WiFi | Shelly EM Mini Gen4 |
| Local Control | Local API, MQTT, Local Web Interface | None | Shelly EM Mini Gen4 |
| Relay Output | NO | YES | SONOFF POWCT |
| Load Management | NO | YES | SONOFF POWCT |
| Rating | 4.5 | 4.5 | Tie |
| Metering | None | Solar Net Metering | Tie |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Data & Monitoring | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Data Export, Usage Alerts | Tie |
Winner
$24.99
- + Price: $24.99
- + Warranty: 3 years
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
- - Relay Output: NO vs YES
- - Load Management: NO vs YES
$38.19
- + Relay Output: YES
- + Load Management: YES
- - Price: $38.19 vs $24.99
- - Warranty: 1 year vs 3 years
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Shelly EM Mini Gen4
- SONOFF POWCT
Loading price history...
Frequently Asked Questions
Which is better overall: Shelly EM Mini Gen4 or SONOFF POWCT?
Shelly EM Mini Gen4 has the stronger overall profile in this comparison, especially for price, warranty, and connectivity.
What is the biggest difference between Shelly EM Mini Gen4 and SONOFF POWCT?
Price is one of the clearest differences: Shelly EM Mini Gen4 lists $24.99, while SONOFF POWCT lists $38.19.
Which one looks better on price?
Shelly EM Mini Gen4 is listed at $24.99, while SONOFF POWCT is listed at $38.19. Shelly EM Mini Gen4 (better spec).
Who should buy Shelly EM Mini Gen4?
Choose Shelly EM Mini Gen4 if your priority is price and warranty and that matters more than relay output.
Who should buy SONOFF POWCT?
Choose SONOFF POWCT if your priority is relay output and load management and that matters more than price.
Full comparison table
Compare all 25 Energy Monitors side by side
You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 25 Energy Monitors
- 46 specs compared
- 43 filters
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90
NodOnZigbee Smart Energy Monitor
$54.24
ShellyPro EM-50
$119.99
EmporiaVue 3
$199.99
ShellyEM Gen3
$69.99
EmporiaVue 3 3-Phase
$209.99
ShellyEM Gen4
3% OFF€67.00€65.12
SonoffPOWCT
$38.19
Shelly3EM-63W Gen3
$114.99- Shelly
EM Mini Gen4
$24.99 
RefossEM06P
Unavailable
ShellyPro 3EM v2
$154.99
ShellyPro 3EM 3CT63
$150.99
RefossEM01P
Unavailable
MerossEM16P
10% OFF$199.99$179.99
ShellyPro 3EM-400
$329.99
MerossEM06P
29% OFF€94.99€66.98
SonoffMINI PM Zigbee Power Meter (Non-Switch)
$15.90
AeotecHome Energy Meter 8
$95.99
RefossEM16P
15% OFF$199.99$169.99
CamerasShellyCamera
DisplaysShellyWall Display X1i
€188.90
DisplaysShellyWall Display XL
4.1(65)$349.99
DisplaysShellyWall Display
4.4(434)€127.99
Door & Window SensorsShellyBLU Door/Window Outdoor ZB
Door & Window SensorsShellyBLU Door/Window ZB
4.5(41)$22.99- Energy MonitorsShelly
3EM-63W Gen3
4.5(150)$114.99 - Energy MonitorsShelly
EM Gen3
4.6(270)$69.99 - Energy MonitorsShelly
EM Gen4
3% OFF€67.00€65.12 - Energy MonitorsShelly
EM Mini Gen4
4.5(138)$24.99 - Energy MonitorsShelly
Pro 3EM 3CT63
4.4(349)$150.99 - Energy MonitorsShelly
Pro 3EM-400
4.3(21)$329.99 - Energy MonitorsShelly
Pro 3EM v2
4.5(79)$154.99 - Energy MonitorsShelly
Pro EM-50
4.6(952)$119.99 
Gas DetectorsShellyGAS (CNG)
4.2(45)€64.21
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
4.2(35)€9.90
Motion SensorsShellyBLU Motion ZB
4.5(47)$26.99
Motion SensorsShellyBlu Motion
4.0(1,038)Last priceMay 1, 2026$25.99
Unavailable
PlugsShellyPlug M Gen3
4.5(791)€12.90
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.8(194)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.4(172)$49.90
CamerasSonoffCAM GlassView
4.1(39)$34.90
CamerasSonoffCam Outdoor DUO
3.5(2)$79.90
CamerasSonoffCam Slim Gen2
4.4(179)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)Unavailable
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(76)$129.90
DonglesSonoffDongle Lite MG21
4.5(458)$24.90
DonglesSonoffDongle Max
4.3(623)$42.90
DonglesSonoffDongle Plus MG24
4.6(696)$35.90
DonglesSonoffDongle Plus PP10
4.6(100)$35.90
DonglesSonoffDongle-PZG23
4.5(176)$39.90
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.5(28)$44.90
DonglesSonoffZBDongle-E
4.7(3,745)$24.90
DonglesSonoffZBDongle-P
4.6(5,689)16% OFF$39.99$33.42
Door & Window SensorsSonoffDW2-WIFI
3.8(1,058)$12.90
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)Last price$17.99
Unavailable
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$15.90
Door & Window SensorsSonoffSenseGuard DW Gen2
4.2(279)$13.90