Winner
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
Shelly Plug M Gen3 wins the 2026 matchup against Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug, mainly on warranty, maximum load power, and connectivity.
The comparison tilts its way because of warranty, maximum load power, and connectivity, with its broader overall balance keeping it in front. Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug remains a niche alternative if price and zigbee router matter more than the rest of the comparison. For the average buyer, Shelly Plug M Gen3 is the safer choice.
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| Feature | Shelly Plug M Gen3 | Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug | Winner |
|---|---|---|---|
| Price | $14.99 | $14.90 | Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug |
| Warranty | 3 years | 2 years | Shelly Plug M Gen3 |
| Maximum Load Power | 3000W | 1875W | Shelly Plug M Gen3 |
| Connectivity | 2.4 GHz WiFi, Bluetooth | Zigbee | Shelly Plug M Gen3 |
| Zigbee Router | NO | YES | Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug |
| Plug Format | Type F | Type B | Different strengths |
| Weather Resistance | NO | NO | Tie |
| Overheat/Overload Protection | YES | YES | Tie |
| Energy Monitoring | YES | YES | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| On/Off Button | YES | YES | Tie |
Winner
- + Warranty: 3 years
- + Maximum Load Power: 3000W
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Price: $14.99 vs $14.90
- - Zigbee Router: NO vs YES
- + Price: $14.90
- + Zigbee Router: YES
- - Warranty: 2 years vs 3 years
- - Maximum Load Power: 1875W vs 3000W
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Shelly Plug M Gen3
- Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug
Loading price history...
Frequently Asked Questions
Which is better overall: Shelly Plug M Gen3 or Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug?
Shelly Plug M Gen3 has the stronger overall profile in this comparison, especially for warranty, maximum load power, and connectivity.
What is the biggest difference between Shelly Plug M Gen3 and Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug?
Price is one of the clearest differences: Shelly Plug M Gen3 lists $14.99, while Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug lists $14.90.
Which one looks better on price?
Shelly Plug M Gen3 is listed at $14.99, while Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug is listed at $14.90. Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug (better spec).
Who should buy Shelly Plug M Gen3?
Choose Shelly Plug M Gen3 if your priority is warranty and maximum load power and that matters more than price.
Who should buy Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug?
Choose Sonoff iPlug Gen2 S61s Type B Zigbee Power Meter Smart Plug if your priority is price and zigbee router and that matters more than warranty.
Full comparison table
Compare all 37 Plugs side by side
You are looking at two of them. The full table lines up all Plugs in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 37 Plugs
- 31 specs compared
- 28 filters
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- Shelly
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FibaroWall Plug (EU)
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29% OFF$30.87$22.00
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DisplaysShellyWall Display X1i
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DisplaysShellyWall Display
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4.4(34)$22.99
Energy MonitorsShelly3EM-63W Gen3
4.6(137)
Energy MonitorsShellyEM Gen3
4.6(266)$69.99
Energy MonitorsShellyEM Gen4
Energy MonitorsShellyEM Mini Gen4
4.5(129)$24.99
Energy MonitorsShellyPro 3EM 3CT63
4.4(341)$150.99
Energy MonitorsShellyPro 3EM-400
4.3(21)$329.99
Energy MonitorsShellyPro 3EM v2
4.5(75)$154.99
Energy MonitorsShellyPro EM-50
4.6(951)$119.99
Gas DetectorsShellyGAS (CNG)
4.2(45)
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
4.2(29)
Motion SensorsShellyBLU Motion ZB
4.6(42)$26.99
Motion SensorsShellyBlu Motion
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Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(168)$49.90
CamerasSonoffCAM GlassView
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CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(173)$19.90
CamerasSonoffGK-200MP2-B
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DisplaysSonoffNSPanel Pro
4.1(73)$129.90
DonglesSonoffDongle Lite MG21
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DonglesSonoffDongle Max
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DonglesSonoffDongle Plus MG24
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DonglesSonoffDongle Plus PP10
4.6(95)$35.90
DonglesSonoffDongle-PZG23
4.6(174)$39.90
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Door & Window SensorsSonoffDW2-WIFI
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