Energy Monitors · Head to head

Shelly EM Gen3 vs Shelly EM Gen4

Full Smart Energy Monitors comparison in 2026

Data from Amazon and official Shelly site.
2026 verdict
Shelly EM Gen4 beats Shelly EM Gen3 in 2026, with its clearest edge on rating, connectivity, and integrations. It wins the broader comparison through rating, connectivity, and integrations, while its broader overall balance helps confirm the result. Choose Shelly EM Gen3 only if its specific feature mix matters more to you than the broader advantage from Shelly EM Gen4. For the average buyer, Shelly EM Gen4 is the safer choice.
vs
FeatureShelly EM Gen3Shelly EM Gen4Winner
Rating4.64.7Shelly EM Gen4
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFi, Bluetooth, ZigbeeShelly EM Gen4
IntegrationsGoogle Home, Alexa, Samsung SmartThings, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly EM Gen4
Warranty3 years3 yearsTie
MeteringSolar Net Metering, Power Factor ReadingsSolar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Data & MonitoringEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsTie
Local ControlLocal API, MQTT, Local Web InterfaceLocal API, MQTT, Local Web InterfaceTie
Relay OutputYESYESTie
Load ManagementYESYESTie

Frequently Asked Questions

Which is better overall: Shelly EM Gen3 or Shelly EM Gen4?

Shelly EM Gen4 has the stronger overall profile in this comparison, especially for rating, connectivity, and integrations.

What is the biggest difference between Shelly EM Gen3 and Shelly EM Gen4?

Rating is one of the clearest differences: Shelly EM Gen3 lists 4.6, while Shelly EM Gen4 lists 4.7.

Who should buy Shelly EM Gen3?

Choose Shelly EM Gen3 if your priority is its specific strengths and that matters more than rating.

Who should buy Shelly EM Gen4?

Choose Shelly EM Gen4 if your priority is rating and connectivity and that matters more than the competing advantages.

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Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
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