Cync Power Plug Review

The Cync Power Plug promises a straightforward entry into smart home automation — plug it in, connect it to Wi-Fi, and start controlling your devices with your phone or voice. And for the most part, it delivers exactly that. But there's one behavior that could genuinely catch you off guard, and it's worth knowing before you buy.

What It Does Well

Setup is genuinely simple. The plug pairs to a 2.4GHz Wi-Fi network through the Cync app without much fuss, and once it's connected, scheduling and voice control through Alexa or Google Assistant work as expected. The compact form factor is a real advantage here — it doesn't hog the second outlet on a wall socket, which is a small thing that many budget smart plugs get wrong.

For everyday use cases — turning a lamp on at sunset, putting a fan on a schedule, or just cutting power to a device remotely — the Cync plug handles the basics reliably. If you're just dipping your toes into home automation without spending a lot, this is a reasonable starting point.

The Power Outage Problem — And It's a Real One

Here's the thing that can actually bite you. After a power outage, the Cync Power Plug defaults to OFF rather than restoring to its previous state. One user discovered this the hard way while out of town: a brief outage cut power to everything they had running through Cync plugs, and there was no way to remotely turn them back on without physically being there.

This matters enormously depending on what you're plugging in. A lamp? No big deal. A fish tank heater, a sump pump, a router, a pet water fountain? The stakes are much higher. The setting to change this behavior is not prominently documented, and some users report not finding a reliable way to configure "restore to previous state" at all. Before you rely on this plug for anything critical, test this behavior yourself — and have a plan for the next outage.

App and Connectivity

The Cync app is functional but not exceptional. It does what you need: scheduling, remote on/off, grouping with other Cync devices. The connection is cloud-dependent, which means if GE's servers ever go down or your internet drops, local control is not an option. For most users this won't be a daily issue, but it's worth noting for anyone building a more self-sufficient smart home setup.

Voice assistant integration works well enough. Alexa and Google both recognize the plug without any special configuration beyond standard app linking.

Who Should Buy This — and Who Shouldn't

The Cync Power Plug makes sense for someone who wants basic scheduling and voice control for low-stakes devices: lamps, fans, holiday lights, a coffee maker. At its price point, you're not going to get energy monitoring, local processing, or Matter compatibility — and that's fine if you don't need those things.

If you need reliability during power outages, or you're automating anything that must stay on — skip this. Look at plugs with configurable power-restore behavior, or consider options compatible with Home Assistant if you want more control. Users in the smart home community frequently point to alternatives like the Kasa EP25 or similar TP-Link products as offering more transparency around power-restore settings at a similar price.

Also worth mentioning: like most budget smart plugs, this one requires a 2.4GHz network. If your router broadcasts a combined 2.4/5GHz network under one SSID without band steering options, you may run into pairing frustrations — a common complaint across this entire category of devices, not unique to Cync.

The Bottom Line

The Cync Power Plug is a decent, no-frills smart plug that does its job quietly — until the power goes out. That single behavior flaw is the deciding factor for a lot of buyers. For casual use with non-critical devices, it's acceptable value. For anything important, the risk isn't worth it.

Frequently Asked Questions

Q: Does the Cync Power Plug work with Alexa and Google Assistant?

A: Yes, it supports both Alexa and Google Assistant voice control through the Cync app with standard account linking.

Q: What happens to the Cync plug after a power outage?

A: By default, the plug resets to OFF after a power outage rather than returning to its previous state. This can be a significant problem for devices that need to stay powered, especially when you're away from home.

Q: Does the Cync Power Plug require a 2.4GHz Wi-Fi network?

A: Yes, like most smart plugs in this price range, it only connects to 2.4GHz Wi-Fi and will not pair on a 5GHz network.

Q: Is there local control if the internet goes down?

A: No. The Cync plug relies on cloud connectivity. Without an active internet connection, remote and voice control features will not work.

Q: How does the Cync Power Plug compare to TP-Link Kasa plugs?

A: TP-Link Kasa plugs (such as the EP25) are frequently recommended as alternatives, offering more transparent power-restore settings and a generally more robust app experience at a similar price point.

— Home Lead Editor, CPrice