Very good83/100
- Supports Matter standard
- Distinguishes between electricity consumption and generation
- Offline operation possible
- App offers plenty of analyses
- Only measures precisely from 8 watts
- No cost presentation
The Shelly Plug S MTR (Gen3) offers a decent range of features, a good, clear app and flexible expansion options using local scripts. The Matter integration into various smart home systems is practical, but is limited to switching on and off. The measuring accuracy shows some weaknesses at low loads.