The Smart Device Compare comparison

Shelly Plug PM Gen3 vs Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Shelly Plug PM Gen3 and Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug

A summary of selected recorded differences between these plugs. Check the full specification table below for details and conditions.

Feature differences among your selected devices

2.4 GHz Wi-Fi (connectivity): Shelly Plug PM Gen3 — Yes (802.11 b/g/n, 2412 to 2484 MHz); Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — No.
Bluetooth (connectivity): Shelly Plug PM Gen3 — Yes (Bluetooth 4.2, also usable as a BLE gateway; range up to 30 m outdoors and 10 m indoors); Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — No.
On Off Button (features): Shelly Plug PM Gen3 — No (One push button, but it only reports status and reboots or factory-resets the device; there is no relay to switch); Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — Yes (One physical button: a single press toggles the load, a five second hold enters pairing mode and a ten second hold resets the device).
Zigbee Router (features): Shelly Plug PM Gen3 — No; Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — Yes (Works as a Zigbee router while powered on and connected, repeating signal to extend the network, with support for up to 64 end devices).

Specifications to check side by side

Zigbee (connectivity): Shelly Plug PM Gen3 — No; Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — Zigbee Hub required (Zigbee 3.0 (IEEE 802.15.4) device: it pairs to a Zigbee coordinator such as a SONOFF ZBBridge, a SONOFF Dongle with ZHA or Zigbee2MQTT, or the built-in coordinator of an Amazon Echo Plus, Echo 4th gen or Echo Show 2nd gen).
Apple Home (integrations): Shelly Plug PM Gen3 — No; Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — SONOFF Hub required (The device is not a native HomeKit accessory: it reaches the Apple Home app through a Matter bridge, either a SONOFF hub (Bridge-M, ZBBridge-U, iHost) or the software Matter bridge in eWeLink CUBE).
Matter (integrations): Shelly Plug PM Gen3 — No; Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — SONOFF Hub required (The device is not Matter itself: SONOFF republishes it into Matter through a bridge (Bridge-M, ZBBridge-U, iHost or eWeLink CUBE with a SONOFF Zigbee Dongle), which is how it reaches the Apple Home app).
Load Voltage (power): Shelly Plug PM Gen3 — 230V; Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — 100 - 125V.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Shelly

Shelly Plug PM Gen3

Catalog update date not recorded

View full device profile

Option 2 · Sonoff

Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

12differences with recorded values for every device

0rows with missing or unspecified information

Consider your setup

Apple Home

Shelly Plug PM Gen3No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart PlugSONOFF Hub required

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

Shelly Plug PM Gen3No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart PlugSONOFF Hub required

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 22 of 22 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Shelly Plug PM Gen3: Yes
Catalog note
802.11 b/g/n, 2412 to 2484 MHz
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

5 GHz Wi-Fi

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

Bluetooth

Shelly Plug PM Gen3: Yes
Catalog note
Bluetooth 4.2, also usable as a BLE gateway; range up to 30 m outdoors and 10 m indoors
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

Thread

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

Z Wave

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

Zigbee

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Zigbee Hub required
Catalog note
Zigbee 3.0 (IEEE 802.15.4) device: it pairs to a Zigbee coordinator such as a SONOFF ZBBridge, a SONOFF Dongle with ZHA or Zigbee2MQTT, or the built-in coordinator of an Amazon Echo Plus, Echo 4th gen or Echo Show 2nd gen

Features

Automations

Shelly Plug PM Gen3: Yes
Catalog note
Scripting, 20 webhooks with 5 URLs each, MQTT and virtual components, with actions driven by the meter's own readings
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Schedules, timers, loop timers and inching, plus smart scenes triggered by load power or electricity consumption

On Off Button

Shelly Plug PM Gen3: No
Catalog note
One push button, but it only reports status and reboots or factory-resets the device; there is no relay to switch
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
One physical button: a single press toggles the load, a five second hold enters pairing mode and a ten second hold resets the device

Zigbee Router

Shelly Plug PM Gen3

Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug

Yes

Manufacturer source

Zigbee router functionality is described.

Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — manufacturer product description →

Source section: Product description / feature descriptions
Model: S61SZBTPB
Region: Manufacturer listing for the named model/variant; regional equivalence has not been established
Firmware: Not specified by this source
Checked: 2026-10-04

Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Works as a Zigbee router while powered on and connected, repeating signal to extend the network, with support for up to 64 end devices

Integrations

Alexa

Shelly Plug PM Gen3: Yes
Catalog note
Amazon Alexa supported capabilities listed as supported by the manufacturer
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Works over Alexa voice control through account linking in the eWeLink app, and the Amazon Echo Plus 2nd gen, Echo 4th gen and Echo Show 2nd gen can act as its Zigbee hub directly

Apple Home

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: SONOFF Hub required
Catalog note
The device is not a native HomeKit accessory: it reaches the Apple Home app through a Matter bridge, either a SONOFF hub (Bridge-M, ZBBridge-U, iHost) or the software Matter bridge in eWeLink CUBE

Google Home

Shelly Plug PM Gen3: Yes
Catalog note
Google Smart Home supported traits listed as supported by the manufacturer
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Once the plug is added to a compatible SONOFF Zigbee gateway, the eWeLink app's account linking exposes it to Google Home for on and off voice control

Home Assistant

Shelly Plug PM Gen3: Yes
Catalog note
The official Home Assistant Shelly integration covers all Shelly device generations, and the plug also exposes a local web interface, MQTT and its open API
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Supported natively through Zigbee2MQTT from version 2.11.0 and through ZHA with the SONOFF-provided script, using a SONOFF Dongle Plus, Dongle Lite, Dongle Max or ZBDongle

Matter

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: SONOFF Hub required
Catalog note
The device is not Matter itself: SONOFF republishes it into Matter through a bridge (Bridge-M, ZBBridge-U, iHost or eWeLink CUBE with a SONOFF Zigbee Dongle), which is how it reaches the Apple Home app

SmartThings

Shelly Plug PM Gen3: Yes
Catalog note
Samsung SmartThings supported capabilities listed as supported by the manufacturer
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Listed as SmartThings compatible with an AeoTec Smart Home Hub V3 as its Zigbee hub, and reachable through the eWeLink cloud once added to a SONOFF gateway

Power

Energy Monitoring

Shelly Plug PM Gen3

Yes

Manufacturer source

The plug measures power consumption.

Shelly Plug PM Gen3 manufacturer product page →

Source section: Technical details: device description and main features
Model: Shelly Plug PM Gen3
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

This evidence establishes measurement, not remote load switching.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Built-in AC voltmeter, AC ammeter, power and energy meters, plus an internal temperature sensor, with 95% metering accuracy

Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug

Yes

Manufacturer source

Power and energy measurement are described.

Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — manufacturer product description →

Source section: Product description / feature descriptions
Model: S61SZBTPB
Region: Manufacturer listing for the named model/variant; regional equivalence has not been established
Firmware: Not specified by this source
Checked: 2026-10-04

Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Real-time voltage, current, power and consumption with historical reports by hour, day and month, 180 days of consumption history and data export

Load Voltage

Shelly Plug PM Gen3: 230V
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: 100 - 125V

Maximum Load Current

Shelly Plug PM Gen3: 16A
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: 15A

Maximum Load Power

Shelly Plug PM Gen3: 3680W
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: 1875W

Overheat Overload Protection

Shelly Plug PM Gen3: No
Catalog note
The plug has no relay, so it alerts on overload and high internal temperature but cannot cut the power itself
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Yes
Catalog note
Multi-layer protection: the plug shuts the load off immediately when a configured current, voltage or power threshold is exceeded, and it can be restored remotely or manually after a trip

Plug Format

Shelly Plug PM Gen3: Type F
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: Type B

Usb Charging

Shelly Plug PM Gen3: No
Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug: No

Specifications for Shelly Plug PM Gen3 versus Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug
Specification	Shelly Plug PM Gen3	Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note 802.11 b/g/n, 2412 to 2484 MHz	No
5 GHz Wi-Fi	No	No
Bluetooth	Yes Catalog note Bluetooth 4.2, also usable as a BLE gateway; range up to 30 m outdoors and 10 m indoors	No
Thread	No	No
Z Wave	No	No
Zigbee	No	Zigbee Hub required Catalog note Zigbee 3.0 (IEEE 802.15.4) device: it pairs to a Zigbee coordinator such as a SONOFF ZBBridge, a SONOFF Dongle with ZHA or Zigbee2MQTT, or the built-in coordinator of an Amazon Echo Plus, Echo 4th gen or Echo Show 2nd gen
Features
Automations	Yes Catalog note Scripting, 20 webhooks with 5 URLs each, MQTT and virtual components, with actions driven by the meter's own readings	Yes Catalog note Schedules, timers, loop timers and inching, plus smart scenes triggered by load power or electricity consumption
On Off Button	No Catalog note One push button, but it only reports status and reboots or factory-resets the device; there is no relay to switch	Yes Catalog note One physical button: a single press toggles the load, a five second hold enters pairing mode and a ten second hold resets the device
Zigbee Router	No	Yes Manufacturer source Zigbee router functionality is described. Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — manufacturer product description → Source section Product description / feature descriptions Model S61SZBTPB Region Manufacturer listing for the named model/variant; regional equivalence has not been established Firmware Not specified by this source Checked 2026-10-04 Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Works as a Zigbee router while powered on and connected, repeating signal to extend the network, with support for up to 64 end devices
Integrations
Alexa	Yes Catalog note Amazon Alexa supported capabilities listed as supported by the manufacturer	Yes Catalog note Works over Alexa voice control through account linking in the eWeLink app, and the Amazon Echo Plus 2nd gen, Echo 4th gen and Echo Show 2nd gen can act as its Zigbee hub directly
Apple Home	No	SONOFF Hub required Catalog note The device is not a native HomeKit accessory: it reaches the Apple Home app through a Matter bridge, either a SONOFF hub (Bridge-M, ZBBridge-U, iHost) or the software Matter bridge in eWeLink CUBE
Google Home	Yes Catalog note Google Smart Home supported traits listed as supported by the manufacturer	Yes Catalog note Once the plug is added to a compatible SONOFF Zigbee gateway, the eWeLink app's account linking exposes it to Google Home for on and off voice control
Home Assistant	Yes Catalog note The official Home Assistant Shelly integration covers all Shelly device generations, and the plug also exposes a local web interface, MQTT and its open API	Yes Catalog note Supported natively through Zigbee2MQTT from version 2.11.0 and through ZHA with the SONOFF-provided script, using a SONOFF Dongle Plus, Dongle Lite, Dongle Max or ZBDongle
Matter	No	SONOFF Hub required Catalog note The device is not Matter itself: SONOFF republishes it into Matter through a bridge (Bridge-M, ZBBridge-U, iHost or eWeLink CUBE with a SONOFF Zigbee Dongle), which is how it reaches the Apple Home app
SmartThings	Yes Catalog note Samsung SmartThings supported capabilities listed as supported by the manufacturer	Yes Catalog note Listed as SmartThings compatible with an AeoTec Smart Home Hub V3 as its Zigbee hub, and reachable through the eWeLink cloud once added to a SONOFF gateway
Power
Energy Monitoring	Yes Manufacturer source The plug measures power consumption. Shelly Plug PM Gen3 manufacturer product page → Source section Technical details: device description and main features Model Shelly Plug PM Gen3 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 This evidence establishes measurement, not remote load switching. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Built-in AC voltmeter, AC ammeter, power and energy meters, plus an internal temperature sensor, with 95% metering accuracy	Yes Manufacturer source Power and energy measurement are described. Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug — manufacturer product description → Source section Product description / feature descriptions Model S61SZBTPB Region Manufacturer listing for the named model/variant; regional equivalence has not been established Firmware Not specified by this source Checked 2026-10-04 Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Real-time voltage, current, power and consumption with historical reports by hour, day and month, 180 days of consumption history and data export
Load Voltage	230V	100 - 125V
Maximum Load Current	16A	15A
Maximum Load Power	3680W	1875W
Overheat Overload Protection	No Catalog note The plug has no relay, so it alerts on overload and high internal temperature but cannot cut the power itself	Yes Catalog note Multi-layer protection: the plug shuts the load off immediately when a configured current, voltage or power threshold is exceeded, and it can be restored remotely or manually after a trip
Plug Format	Type F	Type B
Usb Charging	No	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology