Outcome
This companion comparison post compares TanTan | TanTan WP3 to the top live alternatives found on April 10, 2026, including current Amazon and Alibaba checks.
Source Device
The TanTan WP3 is identified as a Wi-Fi smart plug (or smart socket) with energy monitoring capabilities. It is compatible with Amazon Alexa and Google Assistant, and integrates via the Tuya ecosystem, typically using apps like 'Go Smart' or 'Smart Life'. It operates on 2.4 GHz Wi-Fi and supports up to 10A current. The device is known to be listed on Blakadder templates, suggesting potential for alternative firmware like Tasmota/ESPHome for local control, though its primary integration is cloud-based via Tuya.
Top Alternatives
- Shelly Plug S Gen3: The Shelly Plug S Gen3 is a Wi-Fi smart plug with energy monitoring, similar to the TanTan WP3's core functionality. It stands out with its strong emphasis on local control, Matter compatibility, and excellent native Home Assistant integration, making it a preferred choice for users seeking less cloud dependency and broader interoperability.
- TP-Link Kasa Smart Plug KP115: The TP-Link Kasa KP115 is a highly popular Wi-Fi smart plug with energy monitoring, offering similar core functionality to the TanTan WP3. It's known for its ease of setup, reliable performance, and wide compatibility with major voice assistants, making it a strong contender for buyers prioritizing user-friendliness and a well-established brand.
- Sonoff S31 Smart Plug: The Sonoff S31 is a Wi-Fi smart plug with energy monitoring, directly comparable to the TanTan WP3 in its core function. It's a popular choice for budget-conscious buyers and DIY enthusiasts due to its affordability and the potential for flashing with custom firmware like Tasmota or ESPHome, enabling robust local control and advanced Home Assistant integration beyond its native eWeLink cloud.
Comparison Matrix
| Category | TanTan | TanTan WP3 | Shelly Plug S Gen3 | TP-Link Kasa Smart Plug KP115 | Sonoff S31 Smart Plug |
|---|---|---|---|---|
| Features | Source device | ★★★★★ | ★★★★☆ | ★★★★☆ |
| Interoperability | Source device | ★★★★★ | ★★★★☆ | ★★★★☆ |
| Setup Ease | Source device | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| Cloud Dependency | Source device | ★★★★★ | ★★★☆☆ | ★★★☆☆ |
| Vendor Trust | Source device | ★★★★★ | ★★★★★ | ★★★★☆ |
| Overall | Source device | ★★★★★ | ★★★★☆ | ★★★★☆ |
Pricing And Availability
| Device | Amazon Price | Alibaba Price |
|---|---|---|
| Shelly Plug S Gen3 | $24.90 | US $16.39 – $17.99 |
| TP-Link Kasa Smart Plug KP115 | $19.99 | Unavailable (No direct listings for individual units) |
| Sonoff S31 Smart Plug | $18.99 | US $10.00 – $15.00 (for 1-2 units, varies by seller) |
Operator Notes
- The TanTan WP3 is identified as a Wi-Fi smart plug with Tuya integration, supporting Alexa and Google Assistant. It is a basic smart plug with remote control capabilities.
- Prices and availability for alternatives reflect information found as of April 10, 2026. Alibaba prices often show a range and can vary significantly by seller and order quantity. Amazon prices are for single units unless specified.
- Scores are based on evidence from the search results. A score of 0 indicates insufficient evidence to support a higher score in that category.
Source URLs
Shelly Plug S Gen3 | Official: https://shelly.com/products/shelly-plug-s-gen3-wifi-bluetooth-matter-smart-socket-with-energy-metering/
Shelly Plug S Gen3 | Home Assistant: https://www.home-assistant.io/integrations/shelly/
Shelly Plug S Gen3 | Amazon: https://www.amazon.com/Shelly-Plug-S-Gen3-Monitoring/dp/B0CP22119N
Shelly Plug S Gen3 | Alibaba: https://www.aliexpress.com/item/1005006456094622.html
TP-Link Kasa Smart Plug KP115 | Official: https://www.tp-link.com/us/home-networking/smart-plug/kp115/
TP-Link Kasa Smart Plug KP115 | Home Assistant: https://www.home-assistant.io/integrations/tplink/
TP-Link Kasa Smart Plug KP115 | Amazon: https://www.amazon.com/Kasa-Smart-Plug-Energy-Monitoring/dp/B08G4J8M1G
TP-Link Kasa Smart Plug KP115 | Alibaba: https://www.alibaba.com/trade/search?SearchText=TP-Link+Kasa+KP115
Sonoff S31 Smart Plug | Official: https://sonoff.tech/product/diy-smart-switch/s31-s31-lite/
Sonoff S31 Smart Plug | Home Assistant: https://www.home-assistant.io/integrations/ewelink/
Sonoff S31 Smart Plug | Amazon: https://www.amazon.com/SONOFF-Monitor-Compatible-Assistant-Appliances/dp/B07D31W366
Sonoff S31 Smart Plug | Alibaba: https://www.alibaba.com/trade/search?SearchText=Sonoff+S31