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Layla vs Kaiterra Laser Egg: what to buy now the Laser Egg is gone

By Nangyal Khan·12th of October, 2026

7 min read

Layla vs Kaiterra Laser Egg: what to buy now the Laser Egg is gone cover

Before anything else, the thing that settles this comparison: the Kaiterra Laser Egg was discontinued in 2022. Kaiterra stopped selling it, stopped updating it, and moved over to commercial building systems. The round-screen monitor people remember is now leftover stock on the secondary market, with no new firmware and warranty support running out. This isn't two current products side by side. It's a question of what replaces one that no longer exists.

People liked the Laser Egg, and fairly. It had a clean round display, worked with Apple HomeKit, ran a free app with no subscription, and the carbon dioxide version used a good NDIR sensor. If you owned one, you probably got on well with it. The reason to move on isn't that it was bad. It's that a discontinued device in 2026 means no updates and no real support behind it.

What the Laser Egg was, and where it stands now

There were a few versions. The base Laser Egg read PM2.5 with temperature and humidity. The Laser Egg+ Chemical added a VOC reading. The Laser Egg+ CO2 brought in an NDIR carbon dioxide sensor alongside particulates. All of them used a round colour display, connected over Wi-Fi with Apple HomeKit, ran Kaiterra's free app, and asked for no subscription. For a few years they were among the better-looking consumer monitors around.

The situation now is different. Kaiterra discontinued the line in 2022 and shifted to its commercial Sensedge products, which are facility systems, not something for a bedroom shelf. The Laser Egg gets no updates, support only covers units still under warranty, and anything for sale is residual stock through third parties at whatever a reseller charges. Each model also only covered part of the picture: the base unit had no carbon dioxide, and the carbon dioxide unit had no VOCs. Buying one today means taking on those limits with none of the backing.

What Layla offers as a current monitor

Layla is a current, maintained monitor built on a different idea. It doesn't just read the air, it scores it and keeps an eye on the home. On the Air Quality tier it detects carbon dioxide, VOCs, temperature and humidity, tracks the humidity that leads to mould, and recognises the signature of smoke so it can tell vaping from cannabis from a cigarette.

Rather than leave you reading a dial, Layla turns the readings into plain-language scores with a line telling you what to do. The room filled with carbon dioxide overnight, so leave the door open. Humidity is drifting toward mould conditions, so here's the change to make. The carbon dioxide reading is accurate, and it shows how well a room is replacing its air. Our best CO2 monitors and indoor air quality and your health guides explain why that worked-out picture is worth having.

Being current also means being connected and supported. Layla keeps a running history, messages your phone the moment something crosses a line, smoke in seconds, and keeps getting better instead of sitting frozen. For homes and rentals it reaches past air: the higher tiers add noise scoring and radar presence sensing, with no camera or microphone, and several rooms or properties in one view. The Laser Egg was a single-purpose monitor that's now stuck in time. Layla is a supported system meant to grow with a home.

Credit to the Laser Egg where it's due. The round display was lovely, HomeKit worked cleanly, the particulate reading was useful, and the carbon dioxide version was accurate. None of that outweighs buying a discontinued, unsupported device when a current, broader monitor costs less.

At a glance

	Layla (Air Quality)	Kaiterra Laser Egg
Status	Current and supported	Discontinued since 2022, secondary market only
What it measures	CO2, VOC, temp, humidity, mold conditions, smoke signature ID	PM2.5, plus CO2 or VOC depending on the model
Reads as	Plain-language scores and what to do	Numbers on a round display
Updates and support	Ongoing	None
Beyond air	Noise and radar occupancy on higher tiers	Air only
Subscription	None	None (app)
Price	From $99 one-time	Residual stock, reseller-set

Which one is right for you

There's little reason to buy a Laser Egg new in 2026. It's discontinued, unsupported, and sold only as leftover stock. If you already own one and it still works, there's no rush to replace it, but it won't improve, and a failure leaves you with nothing to fall back on.

Buy Layla if you want a current, supported monitor that does more than read a dial. The Air Quality tier is $99 one-time, no subscription, and it turns carbon dioxide and VOCs into a clear air score, warns about mould early, recognises smoke, and keeps a record with alerts that reach you anywhere. For homes and rentals, the higher pricing tiers add noise and presence sensing up to the $299 All-in-One, while the $99 tier covers the full air side. The detail is on the Layla air quality page. If you liked your Laser Egg for keeping an eye on a room, Layla is the natural step up: current, broader, and still supported.

For other current options, Layla vs Airthings and the Awair Element alternative piece cover the field.

If you own one, or are tempted by one

If you still have a working Laser Egg, there's no need to rush. Keep using it until it fails, just know it won't improve and nothing will replace it from Kaiterra.

If you're tempted by a cheap used one, that's the case to think twice about. You'd be buying unsupported 2022 hardware that covers only part of the air picture. For not much more, Layla gives you a current, broader monitor with scores, smoke recognition and alerts, and it keeps getting updates.

Frequently asked questions

Is the Kaiterra Laser Egg still sold?

Not by Kaiterra. The line was discontinued in 2022, and the company now focuses on commercial building systems. Any Laser Egg you find is leftover stock on the secondary market, with no updates and limited support.

Is Layla a good Laser Egg replacement?

Yes. Layla is a current, supported monitor that covers carbon dioxide, VOCs, humidity, mould conditions and smoke, scores them in plain language, and alerts your phone, for $99 one-time. It's broader than a single Laser Egg and, unlike it, still maintained.

Did the Laser Egg measure carbon dioxide?

Only the Laser Egg+ CO2 did, using an NDIR sensor, and that model skipped VOCs. The base unit read particulates with no carbon dioxide. Layla detects carbon dioxide and VOCs together and scores them for ventilation.

Does Layla need a subscription?

No. Layla's Air Quality tier is $99 one-time. The Laser Egg's app was subscription-free too, but the hardware is no longer supported.

What does Layla add beyond air quality?

On the higher tiers, noise scoring and radar presence sensing, with no camera or microphone, plus smoke recognition and a multi-room or multi-property view. The Laser Egg had none of these.

Why was the Laser Egg discontinued?

Kaiterra moved its focus to commercial building systems, the Sensedge line, and wound down the consumer Laser Egg in 2022. The consumer product simply isn't part of the company's direction anymore.

Can I still use my Laser Egg in 2026?

Yes, if it still works and connects, it will keep reading. But it gets no firmware updates or real support, and a failure can't be replaced, so it's worth planning a successor.

What's the best Laser Egg alternative?

For a current, supported all-rounder with scores, smoke recognition and alerts, Layla at $99 one-time is the natural replacement. If you only want particulates on a screen, any current consumer particulate monitor will do.