The Smart Device Compare comparison

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug vs TP-Link Kasa EP40

Understand the differences. Decide what matters to your home.

Build another comparison →

Before you compare every specification

Key differences between Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug and TP-Link Kasa EP40

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
  • Apple Home (integrations): Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug — Yes (Via Matter); TP-Link Kasa EP40 — No (The Kasa HomeKit line covers the EP25, EP40A, KS200 and KS220; the standard EP40 is not among them and its own page lists only Alexa and Google Assistant).
  • Matter (integrations): Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug — Yes (Matter over Wi-Fi device: the QR code on the plug is scanned by any Matter app, and the manual documents adding it to Apple Home, Google Home, Alexa, SmartThings and Home Assistant); TP-Link Kasa EP40 — No (The Matter-certified version of this outdoor plug is the separate EP40M model; the EP40 is Wi-Fi only).
  • Energy Monitoring (power): Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug — Yes (Real-time voltage, current, power, runtime and consumption charts, plus electricity cost tracking with custom rates); TP-Link Kasa EP40 — No.
Specifications to check side by side
  • Bluetooth (connectivity): Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug — For Pairing (The user manual describes Matter commissioning as a Bluetooth pairing; the radio is not used for control); TP-Link Kasa EP40 — No.
  • Load Voltage (power): Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug — 100 - 125V; TP-Link Kasa EP40 — 110 - 125V.
Information still to confirm
  • 1 of 22 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
  • Check the full table and manufacturer documentation before ruling out a device.

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.

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.

5differences with recorded values for every device
1rows with missing or unspecified information

Consider your setup

Apple Home

  • Sonoff iPlug Gen2 Type B Matter Over WiFi Smart PlugYes
  • TP-Link Kasa EP40No

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

  • Sonoff iPlug Gen2 Type B Matter Over WiFi Smart PlugYes
  • TP-Link Kasa EP40No

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.

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

Connectivity

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

IEEE 802.11 b/g/n 2.4GHz

TP-Link Kasa EP40
Yes
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
For Pairing
Catalog note

The user manual describes Matter commissioning as a Bluetooth pairing; the radio is not used for control

TP-Link Kasa EP40
No
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No

Features

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

One-time and recurring timers, schedules and smart scenes, plus Matter automations in the ecosystem app

TP-Link Kasa EP40
Yes
Catalog note

Independent schedules, countdown timers and sunrise/sunset offsets for each outlet through the Kasa Smart app

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

One button on the body: a single press toggles the load, a long press enters pairing mode

TP-Link Kasa EP40
Yes
Catalog note

Two independent on/off buttons with their own status LEDs on the plug body

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No

Integrations

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Via Matter

TP-Link Kasa EP40
Yes
Catalog note

TP-Link lists Alexa voice control for the EP40 and its Amazon listing carries the Works with Alexa badge

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Via Matter

TP-Link Kasa EP40
No
Catalog note

The Kasa HomeKit line covers the EP25, EP40A, KS200 and KS220; the standard EP40 is not among them and its own page lists only Alexa and Google Assistant

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Via Matter

TP-Link Kasa EP40
Yes
Catalog note

TP-Link lists Google Assistant voice control for the EP40 and the Kasa Smart app links the plug to Google Home

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Via Matter

TP-Link Kasa EP40
Yes
Catalog note

The official Home Assistant TP-Link integration lists the EP40 among its supported Kasa devices

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Manufacturer source

The Type B plug supports Matter.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

Catalog note

Matter over Wi-Fi device: the QR code on the plug is scanned by any Matter app, and the manual documents adding it to Apple Home, Google Home, Alexa, SmartThings and Home Assistant

TP-Link Kasa EP40
No
Catalog note

The Matter-certified version of this outdoor plug is the separate EP40M model; the EP40 is Wi-Fi only

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Via Matter

TP-Link Kasa EP40
Yes
Catalog note

TP-Link Kasa Smart is a Works with SmartThings partner for outlets and the line pairs through TP-Link account linking in the SmartThings app

Power

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Manufacturer source

Energy consumption can be monitored.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

Catalog note

Real-time voltage, current, power, runtime and consumption charts, plus electricity cost tracking with custom rates

TP-Link Kasa EP40
No
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
100 - 125V
TP-Link Kasa EP40
110 - 125V
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
15A
Manufacturer source

The specified maximum current is 15 A.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

TP-Link Kasa EP40
15A
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
1875W
TP-Link Kasa EP40
1875W
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Yes
Catalog note

Overload and overcharge protection with customizable current, voltage and power thresholds that cut the power automatically

TP-Link Kasa EP40
Not recorded
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Type B
TP-Link Kasa EP40
Type B
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
No
TP-Link Kasa EP40
No
Specifications for Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug versus TP-Link Kasa EP40
SpecificationSonoff iPlug Gen2 Type B Matter Over WiFi Smart PlugTP-Link Kasa EP40
Connectivity
Yes
Catalog note

IEEE 802.11 b/g/n 2.4GHz

Yes
NoNo
For Pairing
Catalog note

The user manual describes Matter commissioning as a Bluetooth pairing; the radio is not used for control

No
NoNo
NoNo
NoNo
Features
Yes
Catalog note

One-time and recurring timers, schedules and smart scenes, plus Matter automations in the ecosystem app

Yes
Catalog note

Independent schedules, countdown timers and sunrise/sunset offsets for each outlet through the Kasa Smart app

Yes
Catalog note

One button on the body: a single press toggles the load, a long press enters pairing mode

Yes
Catalog note

Two independent on/off buttons with their own status LEDs on the plug body

NoNo
Integrations
Yes
Catalog note

Via Matter

Yes
Catalog note

TP-Link lists Alexa voice control for the EP40 and its Amazon listing carries the Works with Alexa badge

Yes
Catalog note

Via Matter

No
Catalog note

The Kasa HomeKit line covers the EP25, EP40A, KS200 and KS220; the standard EP40 is not among them and its own page lists only Alexa and Google Assistant

Yes
Catalog note

Via Matter

Yes
Catalog note

TP-Link lists Google Assistant voice control for the EP40 and the Kasa Smart app links the plug to Google Home

Yes
Catalog note

Via Matter

Yes
Catalog note

The official Home Assistant TP-Link integration lists the EP40 among its supported Kasa devices

Yes
Manufacturer source

The Type B plug supports Matter.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

Catalog note

Matter over Wi-Fi device: the QR code on the plug is scanned by any Matter app, and the manual documents adding it to Apple Home, Google Home, Alexa, SmartThings and Home Assistant

No
Catalog note

The Matter-certified version of this outdoor plug is the separate EP40M model; the EP40 is Wi-Fi only

Yes
Catalog note

Via Matter

Yes
Catalog note

TP-Link Kasa Smart is a Works with SmartThings partner for outlets and the line pairs through TP-Link account linking in the SmartThings app

Power
Yes
Manufacturer source

Energy consumption can be monitored.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

Catalog note

Real-time voltage, current, power, runtime and consumption charts, plus electricity cost tracking with custom rates

No
100 - 125V110 - 125V
15A
Manufacturer source

The specified maximum current is 15 A.

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug manufacturer product page →
Source section
Product description
Model
Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Use the electrical ratings and load restrictions for the Type B variant.

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

15A
1875W1875W
Yes
Catalog note

Overload and overcharge protection with customizable current, voltage and power thresholds that cut the power automatically

Not recorded
Type BType B
NoNo

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