I’ve been using the Onvis S3EU Smart Plug for a few weeks now, and I wanted to share my experience and some tips for those considering this device. The S3EU is a solid addition to the European smart plug market, offering compatibility with Apple HomeKit, Amazon Alexa, and Google Home, though I primarily use it with HomeKit.
Build Quality and Design
The plug feels very well-made, with a sleek matte finish and rounded edges that give it a modern look. It’s slightly bulky, as most smart plugs are, but it doesn’t block the adjacent socket, which is a nice touch. The single button on the plug is used for various functions, and the blue LED provides clear status indicators.
Setup and Integration
Adding the S3 to my HomeKit setup was straightforward. The Home app guided me through the process, and I appreciated the option to set the operating mode as an outlet, light, or fan. The plug uses a 2.4 GHz Wi-Fi connection, and I’ve experienced consistent and reliable performance. The Onvis app adds extra features like a timer, countdown, and power consumption tracking, which are great for more advanced users.
Features and Performance
One of my favorite features is the power consumption tracking. It’s incredibly useful to see how much energy my devices are using, and the app provides daily, weekly, and monthly usage reports. The plug also supports scenes and automations, which I’ve integrated into my daily routines.
Tips for Optimal Use
- Firmware Updates: Ensure you’re using the latest firmware for optimal performance. I’ve noticed faster response times after updating.
- Power Consumption Export: While the app tracks usage well, it would be great to export this data for further analysis.
- Child Lock: A child lock feature would be a nice addition, especially if you have young children.
Conclusion
Overall, the Onvis S3EU is a reliable and feature-rich smart plug. It’s a bit pricier than some alternatives, but the build quality, power tracking, and responsiveness make it worth the investment. If you’re looking for a European-compatible smart plug that works seamlessly with HomeKit, I highly recommend giving this one a try!
Happy smart home tinkering! 
