Updated September 2026
Data from Amazon and official Meross and Shelly sites.
2026 verdict
Shelly Pro 3EM 3CT63 wins the 2026 matchup against Meross EM16P, mainly on price, rating, and warranty.
The main reason it wins is price, rating, and warranty, and connectivity and integrations strengthen that case. There is still a case for Meross EM16P, but mainly if metering is what you value most. That keeps the verdict firmly in favor of Shelly Pro 3EM 3CT63.
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| Feature | Meross EM16P | Shelly Pro 3EM 3CT63 | Winner |
|---|---|---|---|
| Price | $159.98 | $150.99 | Shelly Pro 3EM 3CT63 |
| Rating | 4.3 | 4.4 | Shelly Pro 3EM 3CT63 |
| Warranty | 2 years | 5 years | Shelly Pro 3EM 3CT63 |
| Metering | Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings | Three-Phase Support, Solar Net Metering, Power Factor Readings | Meross EM16P |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Shelly Pro 3EM 3CT63 |
| Integrations | Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly Pro 3EM 3CT63 |
| Data & Monitoring | Energy Cost Tracking, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly Pro 3EM 3CT63 |
| Local Control | Local API, Local Web Interface | Local API, MQTT, Local Web Interface | Shelly Pro 3EM 3CT63 |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Relay Output | NO | NO | Tie |
| Load Management | YES | YES | Tie |
20% OFF
$159.98
$199.99
- + Metering: Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings
- - Price: $159.98 vs $150.99
- - Rating: 4.3 vs 4.4
Winner
$150.99
- + Price: $150.99
- + Rating: 4.4
- + Warranty: 5 years
- - Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings vs Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings
Frequently Asked Questions
Which is better overall: Meross EM16P or Shelly Pro 3EM 3CT63?
Shelly Pro 3EM 3CT63 has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Meross EM16P and Shelly Pro 3EM 3CT63?
Price is one of the clearest differences: Meross EM16P lists $159.98, while Shelly Pro 3EM 3CT63 lists $150.99.
Which one looks better on price?
Meross EM16P is listed at $159.98, while Shelly Pro 3EM 3CT63 is listed at $150.99. Shelly Pro 3EM 3CT63 (better spec).
Who should buy Meross EM16P?
Choose Meross EM16P if your priority is metering and that matters more than price.
Who should buy Shelly Pro 3EM 3CT63?
Choose Shelly Pro 3EM 3CT63 if your priority is price and rating and that matters more than metering.
Full comparison table
Compare all 23 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.
- 23 Energy Monitors
- 46 specs compared
- 43 filters
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90
ShellyPro EM-50
$119.99
EmporiaVue 3
$199.99
ShellyEM Gen3
$69.99
Shelly3EM-63W Gen3
EmporiaVue 3 3-Phase
$209.99
RefossEM01P
16% OFF$82.99$69.99
ShellyEM Gen4
SonoffPOWCT
$38.19
ShellyEM Mini Gen4
$24.99
RefossEM06P
ShellyPro 3EM v2
$154.99
ShellyPro 3EM 3CT63
$150.99- Meross
EM16P
20% OFF$199.99$159.98 
ShellyPro 3EM-400
$329.99
RefossEM16P
15% OFF$199.99$169.99
MerossEM06P
AeotecHome Energy Meter 8
$95.99
SonoffMINI PM Zigbee Power Meter (Non-Switch)
$15.90
EmporiaVue Utility Connect
$39.99
Door & Window SensorsMerossSmart Door and Window Sensor
3.0(36)18% OFF$21.99$17.99- Energy MonitorsMeross
EM06P
4.2(143) - Energy MonitorsMeross
EM16P
4.3(45)20% OFF$199.99$159.98 
Garage Door OpenersMerossMSG100 Smart Garage Door Opener
4.2(6,696)15% OFF$49.99$42.49
HubsMerossSmart Wi-Fi Hub MSH400HK
4.4(45)
HubsMerossSmart Wi-Fi Hub MSH450
4.2(194)€24.99
LED BulbsMerossSmart Wi-Fi LED Bulb
4.0(793)$17.04
LED BulbsMerossSmart Wi-Fi LED Bulb with Dimmable Light
4.2(341)$44.64
PlugsMerossMatter Smart Plug Mini
4.2(209)$17.99
PlugsMerossOutdoor Smart Plug (3 Sockets)
4.4(4,754)10% OFF$30.99$27.89
PlugsMerossOutdoor Smart Plug
4.4(3,959)$25.99
PlugsMerossSmart Wi-Fi Plug
4.3(3,154)$21.99
Presence SensorsMerossPresence Sensor MS605
3.1(88)6% OFF$27.59$25.99
Presence SensorsMerossSmart Presence Sensor
3.8(116)$33.99
Radiator ValvesMerossSmart Thermostat Valve
3.8(980)€28.41
RelaysMerossMatter Smart DIY Switch with Energy Monitor
4.4(2,764)15% OFF£19.99£16.99
Temperature & Humidity SensorsMerossSmart Temperature and Humidity Sensor
3.6(87)$14.99
ThermostatsMerossMTS300 Smart Thermostat
3.8(825)5% OFF$62.99$59.84
Water Leak SensorsMerossSmart Water Leak Sensor
3.7(41)$23.99
Water ValvesMerossSmart Sprinkler Timer
4.0(30)19% OFF$56.99$45.99
CamerasShellyCamera
DisplaysShellyWall Display X1i
DisplaysShellyWall Display XL
4.2(62)$349.99
DisplaysShellyWall Display
4.4(434)18% OFF€147.56€121.33
Door & Window SensorsShellyBLU Door/Window ZB
4.6(23)$22.99- Energy MonitorsShelly
3EM-63W Gen3
4.6(137) - Energy MonitorsShelly
EM Gen3
4.6(262)$69.99 - Energy MonitorsShelly
EM Gen4
- Energy MonitorsShelly
EM Mini Gen4
4.5(120)$24.99 - Energy MonitorsShelly
Pro 3EM 3CT63
4.4(330)$150.99 - Energy MonitorsShelly
Pro 3EM-400
4.3(21)$329.99 - Energy MonitorsShelly
Pro 3EM v2
4.5(69)$154.99 - Energy MonitorsShelly
Pro EM-50
4.6(957)$119.99 
Gas DetectorsShellyGAS (CNG)
4.2(45)
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
4.3(28)
Motion SensorsShellyBLU Motion ZB
4.6(36)$26.99
Motion SensorsShellyBlu Motion
4.0(1,032)$25.99
PlugsShellyPlug M Gen3
4.5(757)$14.99
PlugsShellyPlug PM Gen3