The Kasa EP25 is a compact Wi-Fi smart plug with energy monitoring and Apple HomeKit support. This 4-pack sells for about $38 to $48, or roughly $10 a plug.
What you need before you buy
2.4GHz Wi-Fi.
The Kasa app for energy history.
An appliance under 15A (1,800W).
What you can do with it
Find out what a space heater, dehumidifier, freezer or TV setup actually costs to run, cut standby power on a schedule, and get alerts when an appliance finishes. Want the bigger picture? Our Whole-Home Energy Calculator shows how plugs fit with your other upgrades.
How I researched this: TP-Link’s Kasa EP25 product page and specs, the Amazon listing, and a video review from The Product Critique. Prices checked October 30, 2026.
Kasa Smart Plug Mini EP25 (4-pack)
The Kasa EP25 4-pack gives you four energy-monitoring smart plugs with HomeKit, Alexa and Google support for about $10 each. Here is who it suits.
Product Brand:
Kasa (TP-Link)
Editor's Rating: 4.4
Pros
Four energy-monitoring plugs for about $40, around $10 each
Works with Apple HomeKit, Alexa, Google Assistant and SmartThings
Real-time and historical power use in the Kasa app
Compact, so it does not block the second outlet
UL certified with a 2-year warranty
Cons
2.4GHz Wi-Fi only
Uses HomeKit directly, not Matter
Each plug adds a device to your Wi-Fi
Kasa app needed for energy history
Specs
Model
EP25P4 (4-pack)
Rating
15A, 1,800W max
Energy monitoring
Real-time and history in the Kasa app
Connectivity
2.4GHz Wi-Fi, no hub needed
Works with
Apple HomeKit, Alexa, Google Assistant, SmartThings
Setup
Amazon Frustration-Free and Google Seamless Setup
Safety
UL certified, flame-retardant housing
Warranty
2 years
Verdict
The EP25 4-pack is the best value way to start tracking what your appliances cost, with HomeKit, Alexa and Google support. If you want Matter, the Kasa KP125M is the Matter version for a little more per plug.