Circuit & Chime

Independent smart home & security reviews

The calm, wired-up home — explained.

Cameras, alarm systems, smart locks, hubs and thermostats — compared on published specs and what they actually cost to run, not the marketing. Every price is pulled live. Units we claim to have tested: zero — and we tell you exactly what we do instead.

See our best camera picksHow we test
A calm, modern living room with a smart speaker, connected lighting and a control panel in warm daylight
31
products with live, dated prices
July 20, 2026
prices last verified
48h
then a price expires rather than go stale
$0
sponsored placements or free products accepted

This month’s top picks

The single best product in each category, with a live price you can act on. Tap through for the full comparison and why it won.

Start here

Seven ways in, depending on whether you want to secure the house, automate it, or just figure out where to begin.

  • Security Cameras

    Indoor, outdoor and doorbell cameras compared on the thing that actually costs you money over time: whether you need a monthly plan, and where the footage lives.

  • Home Security Systems

    DIY alarm systems and monitored services compared on upfront cost, monthly fees, and whether you can self-monitor for free.

  • Smart Locks & Entry

    Smart deadbolts and video doorbells compared on how they connect, whether they need a bridge, and which ones keep working when the Wi-Fi doesn't.

  • Smart Home Hubs & Ecosystems

    Pick your ecosystem first, then your hub. Alexa, Google, Apple Home and SmartThings compared — plus the Matter question everyone's asking.

  • Smart Home Devices

    Thermostats, plugs, lights and speakers — the gadgets that make a home smart, with picks for beginners and for tight budgets.

  • Smart Home & Security Guides

    Start-here explainers, the Matter question, a cross-brand compatibility matrix, and the running-cost math nobody else publishes.

  • Brand & Product Reviews

    Honest, spec-driven reviews of the brands people ask about most — what they get right, what they don't, and whether they're worth it.

Why trust a site that hasn’t tested anything?

Because we don’t pretend otherwise. Most “we tested 30 cameras” roundups didn’t, and can’t prove they did. We have no lab. What we do instead is read every spec sheet and manual, do the running-cost math out loud, and cite our sources — and it’s all checkable.

We lead with the running cost

The number the big brands hide: whether a device needs a monthly plan, and where the footage lives. It's the first column in every comparison table.

Prices are live and dated

Numbers come from a daily retailer check and carry the date they were pulled. If the check stops, the price disappears rather than going stale.

“No fee needed” is a finding

When a system records for free and a rival charges monthly, we say so plainly. Buy-once-pay-nothing is the spine of this site, not a footnote.

We say when to skip

A pricier device isn't automatically better. Where a cheaper option wins for the buyer, that's our pick — commission never decides it.

No fake reviews, ever

There are no invented testimonials, star ratings or 'in our testing' claims anywhere on this site. If we can't source it, it isn't here.

One honest author

Written by a smart-home enthusiast, not a licensed installer — and nothing here is professional security advice. For a high-risk home, hire a pro.

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How this site is funded

Circuit & Chime is free to read because some of the links to products are affiliate links: if you buy through one, we may earn a small commission at no extra cost to you. As an Amazon Associate we earn from qualifying purchases. It never changes which product we recommend — the reasoning is the same whether a link earns us anything or not.

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