Meross Matter Smart Plug Mini vs Sonoff Wifi Smart Plug S40

Updated March 2026

Data from Amazon and official Meross and Sonoff sites.

2026 verdict

Across the full comparison in 2026, Sonoff Wifi Smart Plug S40 earns the nod. It wins the broader comparison through rating, overheat/overload protection, and energy monitoring, while its broader overall balance helps confirm the result. The only strong reason to choose Meross Matter Smart Plug Mini is if price and integrations is more important to you than the overall verdict. As a general recommendation, Sonoff Wifi Smart Plug S40 comes out on top.

Meross

Meross Matter Smart Plug Mini

$17.99

BUY NOW

Winner

Sonoff

Sonoff Wifi Smart Plug S40

$18.99

BUY NOW

Feature	Meross Matter Smart Plug Mini	Sonoff Wifi Smart Plug S40	Winner
Price	$17.99	$18.99	Meross Matter Smart Plug Mini
Rating	3.5	4.4	Sonoff Wifi Smart Plug S40
Overheat/Overload Protection	NO	YES	Sonoff Wifi Smart Plug S40
Energy Monitoring	NO	YES	Sonoff Wifi Smart Plug S40
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT	Meross Matter Smart Plug Mini
Warranty	1 year	1 year	Tie
Weather Resistance	NO	NO	Tie
Plug Format	Type B	Type B	Tie
Connectivity	2.4 GHz Wifi, Bluetooth	2.4 GHz Wifi, Bluetooth	Tie
On/Off Button	YES	YES	Tie
Zibgee Router	NO	NO	Tie

Meross

Meross Matter Smart Plug Mini

$17.99

BUY NOW

+ Price: $17.99
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Rating: 3.5 vs 4.4
- Overheat/Overload Protection: NO vs YES

Winner

Sonoff

Sonoff Wifi Smart Plug S40

$18.99

BUY NOW

+ Rating: 4.4
+ Overheat/Overload Protection: YES
+ Energy Monitoring: YES
- Price: $18.99 vs $17.99
- Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions (FAQ)

Which is better overall: Meross Matter Smart Plug Mini or Sonoff Wifi Smart Plug S40?: Sonoff Wifi Smart Plug S40 has the stronger overall profile in this comparison, especially for rating, overheat/overload protection, and energy monitoring.
What is the biggest difference between Meross Matter Smart Plug Mini and Sonoff Wifi Smart Plug S40?: Price is one of the clearest differences: Meross Matter Smart Plug Mini lists $17.99, while Sonoff Wifi Smart Plug S40 lists $18.99.
Which one looks better on price?: Meross Matter Smart Plug Mini is listed at $17.99, while Sonoff Wifi Smart Plug S40 is listed at $18.99. Meross Matter Smart Plug Mini (better spec).
Who should buy Meross Matter Smart Plug Mini?: Choose Meross Matter Smart Plug Mini if your priority is price and integrations and that matters more than rating.
Who should buy Sonoff Wifi Smart Plug S40?: Choose Sonoff Wifi Smart Plug S40 if your priority is rating and overheat/overload protection and that matters more than price.