Want to make your home smarter without spending hundreds of dollars? A smart plug is the easiest, cheapest way to get started and you can set one up in under two minutes.
In this guide, we’ll explain exactly what a smart plug is, how it works, the 7 best ways to use one, and which ones are worth buying.
What is a Smart Plug?
A smart plug is a small device that plugs into a regular wall outlet and makes any appliance connected to it “smart.” It lets you control that appliance remotely using your smartphone, voice assistant, or automated schedules even when you’re not home.
Think of it this way: your regular lamp has no idea what time it is or whether you’re home. Plug a smart plug between the lamp and the wall, and suddenly you can turn it on from anywhere in the world, schedule it to switch on at sunset, or control it with your voice.
Smart plugs don’t change the appliance itself, they control the power supply to it. Any device that runs on a standard plug can be made “smart” this way.
They’re one of the most popular smart home products right now because they’re affordable (most cost under $20), easy to set up, and work with nearly everything you already own.
How Does a Smart Plug Work?
A smart plug works by sitting between your appliance and the wall outlet. Here’s the simple breakdown:
- You plug the smart plug into your wall outlet: just like any regular plug.
- You plug your appliance into the smart plug: your lamp, fan, coffee maker, etc.
- You connect it to your home WiFi: usually through a simple app setup that takes 2 minutes.
- You control it from the app: turn it on/off from anywhere, set schedules, check power usage, and more.
Most smart plugs also work with Amazon Alexa, Google Home, and Apple HomeKit, meaning you can control them with your voice or include them in smart home automations.
Key Features of Smart Plugs
Not all smart plugs are the same. Here are the features to look for:
- Remote on/off control: turn any device on or off from your phone, anywhere in the world.
- Scheduling: set timers so devices turn on and off automatically. Perfect for lights and coffee makers.
- Voice control: compatible with Alexa, Google Assistant, and Siri for hands-free control.
- Energy monitoring: some smart plugs track exactly how much electricity an appliance is using in real time.
- Away mode: randomly turns lights on and off to make your home look occupied when you’re away.
- Overload protection: automatically cuts power if an appliance draws too much electricity.
- Compact design: newer models are slim and don’t block the second outlet on a double socket.
7 Best Uses for a Smart Plug
1. Control Your Lamps and Lights
This is the most popular use. Plug any standard lamp into a smart plug and control it from your phone or with your voice. Schedule it to turn on at sunset and off at 11pm every night, automatically.
2. Never Forget to Turn Off Appliances Again
Hair straighteners, curling irons, fans, and heaters left on by accident are both a safety risk and a waste of electricity. With a smart plug, you can check and turn them off remotely even from work.
3. Automate Your Coffee Maker
Set your coffee maker to start brewing at 7am every morning. Wake up to fresh coffee without pressing a single button. This is one of the most loved smart plug uses among beginners.
4. Make Your Old TV or Speaker Smart
Older TVs and audio equipment don’t have smart features built in. A smart plug combined with a smart remote app lets you power them on/off on a schedule or with your voice.
5. Monitor Energy Usage and Reduce Bills
Smart plugs with energy monitoring show you exactly how much electricity each appliance is using. Many users are surprised to discover which devices are secretly driving up their electricity bill and can cut costs by putting them on a schedule.
6. Create a Fake Occupancy When Travelling
Using the “away mode” or scheduling feature, you can set random lamps to turn on and off while you’re on holiday making it look like someone is home. A simple, effective security boost.
7. Automate Holiday Decorations
Christmas lights, Halloween decorations, outdoor lights plug them into a smart plug and schedule them to run only during evening hours. No more forgetting to turn them off at 3am.
Who is a Smart Plug For?
Smart plugs work for almost everyone:
- Smart home beginners: the easiest first smart home device you can buy.
- Renters: no installation, no wiring, no damage to walls. Just plug and play.
- People who travel: control home appliances remotely and set up fake occupancy.
- Energy-conscious households: monitor and reduce electricity usage.
- Anyone with older appliances: give any device smart features without replacing it.
- Alexa and Google Home users: smart plugs are the cheapest way to expand your smart home ecosystem.
Smart Plug vs Smart Switch vs Smart Bulb
| Feature | Smart Plug | Smart Switch | Smart Bulb |
|---|---|---|---|
| Works with existing appliances | ✅ Yes | ❌ Requires wiring | ✅ Yes |
| Installation difficulty | Very easy | Moderate (wiring) | Very easy |
| Controls | Power on/off | Power on/off, dimming | On/off, colour, dimming |
| Cost | $10–$25 | $20–$50 | $10–$50 each |
| Best for | Any plug-in device | Wall switches | Light bulbs only |
| Portable | ✅ Yes | ❌ No | ❌ Fixed in socket |
How Much Does a Smart Plug Cost?
Smart plugs are one of the most affordable smart home products available:
| Type | Price Range | Best For |
|---|---|---|
| Basic smart plug | $8–$15 | Simple on/off control |
| With energy monitoring | $15–$25 | Tracking electricity use |
| Outdoor smart plug | $20–$35 | Garden lights, outdoor appliances |
| Multi-socket smart strip | $25–$50 | Controlling multiple devices |
Top recommended brands: Amazon Smart Plug, TP-Link Kasa, Meross, Govee, Wemo.
The Amazon Smart Plug is the easiest choice if you already have Alexa, it sets up in 30 seconds with no app required.
Is a Smart Plug Worth It?
Absolutely. At $10–$20 per plug, a smart plug is the best value upgrade in the smart home world. The ability to control any appliance remotely, set schedules, and never worry about leaving something on again is worth far more than the cost.
If you’ve been curious about smart home technology but don’t know where to start buy one smart plug, plug it into your bedside lamp, and control it from your phone. You’ll be hooked within a day.
Our verdict: Start with one. You’ll end up with five.
Frequently Asked Questions About Smart Plugs
Q: Do smart plugs work without WiFi?
A: Smart plugs need WiFi to connect to your app and enable remote control. Without WiFi, the plug still works as a regular outlet, but you lose all smart features like remote control and scheduling.
Q: Do smart plugs use electricity when nothing is plugged in?
A: Yes, but very little typically 1–2 watts in standby mode. This is negligible and costs pennies per year.
Q: Can smart plugs be used outdoors?
A: Some smart plugs are designed for outdoor use with weatherproof enclosures. Look for plugs with an “IP44” or higher rating for outdoor use.
Q: Are smart plugs safe?
A: Yes, reputable smart plugs from trusted brands include overload protection, surge protection, and comply with electrical safety standards. Avoid very cheap, unbranded plugs from unknown sellers.
Q: Can I use a smart plug with high-power appliances like a washing machine or kettle?
A: Check the wattage rating on the plug before use. Most smart plugs support up to 10A (about 2,300W) fine for most appliances. Some support up to 16A for higher-power devices like washing machines and electric heaters.
Q: Do smart plugs work with Apple HomeKit?
A: Some do, but not all. If you use Apple HomeKit, check the box for “Works with Apple Home” before buying. The Eve Energy and Meross smart plugs are popular HomeKit options.
Conclusion
So, what is a smart plug? It’s the simplest, cheapest way to bring any appliance into your smart home no wiring, no expertise, and no big investment required.
Whether you want to automate your morning coffee, stop worrying about left-on appliances, or just dip your toes into smart home technology, a smart plug is the perfect place to start.
Buy one, set it up in two minutes, and you’ll immediately see why smart plugs are one of the best-selling gadgets of the year.