Winner
Price unavailable right now
Updated November 2026
Data from the official Sonoff and TP-Link sites.
2026 verdict
Sonoff S31 WiFi Smart Plug wins the 2026 matchup against TP-Link Kasa EP10, mainly on energy monitoring and integrations.
What pushes it ahead is energy monitoring and integrations, and its broader overall balance keeps the advantage from looking narrow. There is still a case for TP-Link Kasa EP10, but mainly if rating is what you value most. As a general recommendation, Sonoff S31 WiFi Smart Plug comes out on top.
Connectivity
- Wi-Fi 2.4 GHz
vs
30% OFF
$6.99
$9.99
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Sonoff S31 WiFi Smart Plug | TP-Link Kasa EP10 | Winner |
|---|---|---|---|
| Rating | 4.1 | 4.5 | TP-Link Kasa EP10 |
| Energy Monitoring | YES | NO | Sonoff S31 WiFi Smart Plug |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Samsung SmartThings, Home Assistant | Sonoff S31 WiFi Smart Plug |
| Weather Resistance | NO | NO | Tie |
| Plug Format | Type B | Type B | Tie |
| Maximum Load Power | 1800W | 1800W | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| On/Off Button | YES | YES | Tie |
| Zigbee Router | NO | NO | Tie |
| Local Control | YES | YES | Tie |
Winner
Price unavailable right now
- + Energy Monitoring: YES
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.1 vs 4.5
30% OFF
$6.99
$9.99
- + Rating: 4.5
- - Energy Monitoring: NO vs YES
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Sonoff S31 WiFi Smart Plug or TP-Link Kasa EP10?
Sonoff S31 WiFi Smart Plug has the stronger overall profile in this comparison, especially for energy monitoring and integrations.
What is the biggest difference between Sonoff S31 WiFi Smart Plug and TP-Link Kasa EP10?
Rating is one of the clearest differences: Sonoff S31 WiFi Smart Plug lists 4.1, while TP-Link Kasa EP10 lists 4.5.
Who should buy Sonoff S31 WiFi Smart Plug?
Choose Sonoff S31 WiFi Smart Plug if your priority is energy monitoring and integrations and that matters more than rating.
Who should buy TP-Link Kasa EP10?
Choose TP-Link Kasa EP10 if your priority is rating and that matters more than energy monitoring.
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