Shelly (top score 64/100) vs SONOFF (top score 71/100): side-by-side expert scores, prices, 30-day-low context and pros/cons — updated daily.
Verdict: SONOFF wins on both quality and price: top-3 average 68.0 vs 55.3 (+12.7) with a $21 top pick vs $23.
Top score 64/100 · top-3 avg 55.3
✓ Dry-contact relay enables safe control of isolated low-voltage devices like garage doors.
✗ Requires a neutral wire present inside the wall switch box to operate.
✓ Local API and MQTT support enables offline automation and Home Assistant integration
✗ Requires neutral in typical wiring, limiting installs where neutral is absent
✓ Adds Zigbee smart control to a single light/circuit without replacing the switch
✗ Requires a Zigbee coordinator/hub to operate on most smart home setups
Top score 71/100 · top-3 avg 68.0
✓ No-neutral wire requirement simplifies installation in older homes without dedicated neutral lines.
✗ Lacks Zigbee mesh routing capability, acting only as an end device on the network.
✓ Matter-over-WiFi support ensures seamless interoperability across various smart home ecosystems.
✗ The physical footprint is bulky, potentially obstructing adjacent outlets on power strips.
✓ ESP8266-based hardware allows for custom firmware installation and local control integration.
✗ Large physical dimensions make installation difficult in standard junction boxes or crowded panels.
Scores are expert-review aggregates, not opinions. How we score
