Updated August 2026
Data from Amazon and official Sonoff and SwitchBot sites.
2026 verdict
In 2026, the recommendation leans toward SwitchBot Plug Mini over Sonoff S31 WiFi Smart Plug, driven by maximum load power, Overheat/Overload protection, and connectivity. Its clearest strengths are maximum load power, Overheat/Overload protection, and connectivity, and it still looks stronger on integrations. Sonoff S31 WiFi Smart Plug remains a niche alternative if price and rating matter more than the rest of the comparison. That is enough to make SwitchBot Plug Mini the better pick for most buyers.
| Feature | Sonoff S31 WiFi Smart Plug | SwitchBot Plug Mini | Winner |
|---|---|---|---|
| Price | $10.90 | $11.99 | Sonoff S31 WiFi Smart Plug |
| Rating | 4.2 | 4.1 | Sonoff S31 WiFi Smart Plug |
| Maximum Load Power | 1800W | 1875W | SwitchBot Plug Mini |
| Overheat/Overload Protection | NO | YES | SwitchBot Plug Mini |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth | SwitchBot Plug Mini |
| Integrations | Google Home, Alexa, Home Assistant, IFTTT | Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT | SwitchBot Plug Mini |
| Weather Resistance | NO | NO | Tie |
| Plug Format | Type B | Type B | Tie |
| Energy Monitoring | YES | YES | Tie |
| On/Off Button | YES | YES | Tie |
| Zibgee Router | NO | NO | Tie |
$10.90
- + Price: $10.90
- + Rating: 4.2
- - Maximum Load Power: 1800W vs 1875W
- - Overheat/Overload Protection: NO vs YES
Winner
- + Maximum Load Power: 1875W
- + Overheat/Overload Protection: YES
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Price: $11.99 vs $10.90
- - Rating: 4.1 vs 4.2
Frequently Asked Questions
Which is better overall: Sonoff S31 WiFi Smart Plug or SwitchBot Plug Mini?
SwitchBot Plug Mini has the stronger overall profile in this comparison, especially for maximum load power, Overheat/Overload protection, and connectivity.
What is the biggest difference between Sonoff S31 WiFi Smart Plug and SwitchBot Plug Mini?
Price is one of the clearest differences: Sonoff S31 WiFi Smart Plug lists $10.90, while SwitchBot Plug Mini lists $11.99.
Which one looks better on price?
Sonoff S31 WiFi Smart Plug is listed at $10.90, while SwitchBot Plug Mini is listed at $11.99. Sonoff S31 WiFi Smart Plug (better spec).
Who should buy Sonoff S31 WiFi Smart Plug?
Choose Sonoff S31 WiFi Smart Plug if your priority is price and rating and that matters more than maximum load power.
Who should buy SwitchBot Plug Mini?
Choose SwitchBot Plug Mini if your priority is maximum load power and Overheat/Overload protection and that matters more than price.
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