Kasa Smart Plug HS103P4, Smart Home Wi-Fi Outlet Works with Alexa, Echo, Google Home, No Hub Required, 15 Amp, UL Certified…
Kasa Smart · 8 more picks →
Best for
Best overall
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 2 trusted sources
Current price
$23.99
Updated Jun 27, 2026 · 1 min read

Sources behind this verdict
11 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Kasa HS103P4 is the default safe recommendation for people who just want dependable on/off control without a hub. Verified-purchase reviewers on Amazon, Walmart, and Newegg consistently describe setup as fast and the app as intuitive, and high-trust community threads on r/homeautomation and r/homeassistant echo that, calling them stable, reliable, and quick to toggle from the Kasa app. The plug works with Alexa and Google Home directly over 2.4GHz Wi-Fi with no hub required.
What reviewers liked
- Enormous verified-purchase base (150k+ ratings) averaging 4.6 stars
- High-trust community consensus on r/homeautomation and r/homeassistant for stability and fast app response
- No hub required; works directly with Alexa and Google Home
Where it falls short
- No Matter support, so less future-proof than newer models
- No energy monitoring on this model
- Some long-term r/homeassistant owners report units failing after 14-18 months and note local-control caveats

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Across the reviewers we read, the Kasa HS103P4 is the default safe recommendation for people who just want dependable on/off control without a hub. Verified-purchase reviewers on Amazon, Walmart, and Newegg consistently describe setup as fast and the app as intuitive, and high-trust community threads on r/homeautomation and r/homeassistant echo that, calling them stable, reliable, and quick to toggle from the Kasa app. The plug works with Alexa and Google Home directly over 2.4GHz Wi-Fi with no hub required.
The honest caveats come from those same specialist communities. A widely-cited r/homeassistant thread warns that local control behavior has changed on some Kasa models and that features can depend on internet access, and some long-term owners report units failing after a year or two. There's also no energy monitoring and no Matter support on this model, so it's less future-proof than the newer KP125M. For straightforward, high-volume reliability at a low per-plug price, though, the consensus remains firmly positive.
- Voice control
- Kasa smart plugs that work with Alexa and Google Home Assistant. Enjoy the hands free convenience of controlling any home electronic appliances with your voice via Amazon Alexa or Google Assistant. Compatible with Android 5.0 or higher and iOS 10.0 or higher
- Smart Outlet Control from anywhere
- Turn electronics on and off your smart home devices from anywhere with your smartphone using the Kasa app, whether you are at home, in the office or on vacation
- Scheduling
- Use timer or countdown schedules to set your wifi smart plug to automatically turn on and off any home electronic appliances such as lamps, fan, humidifier, Christmas lights etc. The Kasa app is free and compatible with iOS 10.0 or later.
- Easy set up and use
- 2.4GHz Wi-Fi connection required. Plug in, open the Kasa app, follow the simple instructions and enjoy
- Trusted and reliable
- Designed and developed in Silicon Valley, Kasa is trusted by over 5 Million users and being the reader’s choice for PCMag 2020. UL certified for safety use.
With the Kasa Smart app you can turn lite-duty appliances, up to 15 AMPs, on and off from anywhere. Turn on your bedside lamp while in the living room, set your plug to Away Mode to randomly turn on and off while you're away, even…
They work well. HS103P4, Stable and reliable. The app is intuitive and easy to use. App is easy to use. They integrate nicely with google ...
Not only are the Kasa plugs good, if you are toggling them from the Kasa app, they are INSANELY fast. So much home automation stuff is slow. You ...
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“Review: Kasa Smart Plug Mini, Smart Home Wi” · Fi Outlet ...
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