Anticipates, never interrupts
Halcyon reads your calendar, weather and habits, then acts ahead of you — coffee warm, route mapped, nothing buzzing for attention.
Open beta · Halcyon 2.6
Every day, calmly optimized.
Halcyon is a friendly AI companion that quietly tunes your home, schedule and energy use — bright, safe, and entirely in the background.
Features
Tech that fits like daylight
No dashboards to babysit, no alerts to triage. Halcyon melts into the background of a brighter day.
Private by design
Everything runs local-first on your Halcyon hub. Your data never leaves home unless you say so — export or erase it anytime.
Lives lighter
Heavy tasks drift to off-peak hours and waste you never see gets trimmed — kind to the grid, kinder to your bill.
How it works
Three steps to a calmer home
From box to background hum in under an afternoon.
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01
Plug in Halcyon
Unbox the hub, scan the code, and it quietly finds your lights, locks and thermostat. No wiring, no jargon.
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02
Teach it your rhythm
Answer a few gentle questions — or just live normally. Within a week it knows your mornings, meals and wind-downs.
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03
Let it hum along
From then on it runs in the background and shows one clear digest a day. Change anything with a single word.
Testimonials
Loved in the background
Quiet households, loud reviews.
It feels like my apartment and I finally speak the same language. Mornings just… flow.
Halcyon trimmed a fifth off our energy bill without a single cold shower. I checked twice.
The calmest gadget I own. It handles life’s background noise so I can hear myself think.
Pricing
One calm subscription
Start free. Stay free. Upgrade only when your home asks for more.
Free
$0/mo
- 1 connected room
- Daily digest & voice control
- Community support
Plus
$9/mo
- Every room, one rhythm
- Adaptive automations
- Energy saving reports
- Priority support
Pro
$19/mo
- Everything in Plus
- Up to 6 household profiles
- Open API access
- Concierge onboarding
FAQ
Fair questions, plain answers
No. Core routines run entirely on the hub, so lights, heat and schedules keep working offline. Cloud sync is optional and off by default.
It stays on your hub. Nothing is sold or shared, and you can export or permanently erase everything from the app in two taps.
Anything speaking Matter or Thread, plus the major ecosystems’ lights, locks, blinds, thermostats and speakers. New partners join monthly.
Neither. The Free tier is free forever, upgrades are month-to-month, and downgrading keeps every automation you built.
Yes — Plus covers your entire home, and Pro adds up to six profiles, each with a private dial for their own rhythm.
Early access
Ready for a calmer future?
Join the waitlist and we’ll send exactly one friendly email when Halcyon reaches your city. No noise, ever.