$20 – $35
Matter-certified compact smart plug. Works with Apple Home, Alexa, Google Home. No cloud required for local control.
You want local control without cloud dependency
Matter protocol enables local device communication with enhanced security and privacy
HomeKit users wanting easy Matter setup
Simple QR code scan in Home app - one of the first Matter plugs available
You want compact design that doesn't block outlets
Small 1.9 x 1.9 x 1.2 inch form factor leaves room for outlets on all sides
You want cheap Matter plug for basic on/off control
One of the most affordable Matter-certified plugs - works with HomeKit, Alexa, Google Home, SmartThings
You need energy monitoring
US version MSS115 has NO power tracking - get MSS315 (EU) or Eve Energy instead
You need Thread support
WiFi (2.4GHz) only - no Thread radio despite being Matter-certified
You want to use with multiple ecosystems simultaneously
Matter multi-ecosystem setup can be painfully bumpy - standard still finding its footing
You need to group devices in Meross app
Meross app doesn't support grouping multiple products together
Frequent 'No Response' errors during initial use - improved after firmware updates
9to5Mac ReviewSetup times out with error 39-101 when adding to SmartThings Station
SmartThings CommunityMatter commissioning fails - app completes stages then shows 'something went wrong'
Home Assistant CommunityLink Error when attempting to connect Meross account to Alexa
User ReportsNo energy monitoring on US version (MSS115)
widespreadCause: Regional variant limitation - EU version MSS315 has power tracking
WiFi only, no Thread support despite Matter certification
commonCause: Hardware limitation - lacks Thread radio that enables mesh networking
Matter multi-ecosystem setup is bumpy and unreliable
commonCause: Matter standard still maturing - interoperability issues between platforms
Meross app doesn't support device grouping or usage history
commonCause: App feature limitation - basic functionality only
Trying to add to multiple ecosystems at once
Setup fails or devices behave erratically - Matter multi-admin support is buggy
Tip: Set up with one ecosystem first (HomeKit recommended), verify it works, then add others one at a time
Expecting Thread mesh networking
Plug requires direct WiFi connection to router - no mesh benefits
Tip: Ensure strong 2.4GHz WiFi signal at plug location - consider WiFi extender if needed
Using 5GHz WiFi network
Plug cannot connect - only 2.4GHz supported
Tip: Split your WiFi bands or connect phone to 2.4GHz network during setup
Expecting energy monitoring (US version)
No power tracking available in any app
Tip: If you need energy monitoring, get MSS315 (EU) or different product like Kasa KP125M
Initial setup may require Meross account, firmware updates
Matter protocol enables local device communication without cloud - enhanced security with cryptographic protections
Meross collects account info through their app if used
Matter's local-first design provides better privacy than cloud-dependent alternatives
Meross MSS315
If: Need energy monitoring with Meross Matter
Eve Energy
If: Need Thread support and energy monitoring in HomeKit
Kasa KP125M
If: Need Matter with energy monitoring
You want cheap Matter plug for basic on/off
One of most affordable Matter plugs - good for simple automation without power tracking
You need energy monitoring
US version has no power tracking - get MSS315 (EU), Eve Energy, or Kasa KP125M
You need reliable Thread mesh networking
WiFi only - no Thread radio. Get Eve Energy or Nanoleaf for Thread support
You want to use with multiple platforms simultaneously
Matter enables multi-platform but setup can be bumpy - start with one platform first
Yes, via Home Assistant's native Matter integration or the meross_lan HACS integration. Some users report commissioning issues - Matter integration is more reliable.
Source: Home Assistant CommunityMSS115 is the US version without energy monitoring. MSS315 is the EU version WITH energy monitoring. Both support Matter over WiFi.
Source: SmartHomeSceneYes, Matter enables multi-platform control. However, setup can be bumpy - recommend setting up with one platform first, then adding others one at a time.
Source: The Ambient ReviewNo, the MSS115 is WiFi (2.4GHz) only. It's Matter-certified but lacks Thread radio, so it requires direct WiFi connection to your router.
Source: TechHive ReviewNo, the US version MSS115 does NOT have energy monitoring. The EU version MSS315 has power tracking. If you need energy monitoring, consider MSS315, Eve Energy, or Kasa KP125M.
Source: TechHive Review