Ecosystem: the deciding factor
This is the one that should settle it. The Kasa EP25 works with Apple Home (HomeKit) as well as Alexa and Google, which makes it the only pick here for an iPhone household that wants Siri and the Home app. The Wyze Plug works with Alexa and Google but notApple Home. So if you’re on Apple, Kasa wins by default; if you’re on Alexa or Google, both are in play and it comes down to price.
Price per outlet
Wyze’s advantage is the format: the Wyze Plug is usually sold as a two-pack, which makes it the cheapest way to get two outlets smart at once. Kasa’s EP25 is often sold singly (though multipacks exist). If you just want to put two lamps on a schedule as cheaply as possible and you’re on Alexa/Google, the Wyze two-pack is hard to beat on cost per plug. If you want one plug, the best ecosystem support, and a very compact body, the Kasa is the pick.
Size, app and reliability
Both are compact enough not to block the second outlet on a duplex socket — the Kasa Mini is especially small. Kasa’s app is a bit more mature for scheduling and automations; Wyze’s is perfectly capable and familiar if you own other Wyze gear. Both connect over 2.4GHz Wi-Fi with no hub, and both are reliable in day-to-day use. There’s no subscription on either, ever.
What about the bulbs?
The same pattern holds for their smart bulbs. The Kasa Smart Color Bulb and the Wyze Bulb Colorare both hub-free, screw-in color bulbs that work with Alexa and Google; neither supports Apple Home. Wyze’s bulb is notably bright (1100 lumens) and cheap in multipacks — the value pick for lighting several rooms — while Kasa’s is the tidy all-rounder. Either way, remember the wall switch has to stay on for a smart bulb to respond; the renter fix is the no-wiring smart switch.
The verdict
Buy Kasa if you use Apple Home, want the best all-round ecosystem support, or want a single very compact plug. Buy Wyzeif you’re on Alexa or Google and want the lowest cost per outlet via the two-pack. You really can’t go wrong — both are Excellent Lease-Safe, no-install, take-them-with-you upgrades. See the whole category in the best smart plugs and best apartment lights roundups.