Wearable01 / 04
Kairn Ring
A titanium ring that reads sleep, strain and recovery — and doubles as your contactless key.
- 7-day battery
- 2.4 mm profile
- Tap to pay
One ecosystemfor the things you wear, hold and ask.
Hardware, money and intelligence designed as a single system — not four apps that happen to share a login.
Join the waitlist( 01 )Ecosystem
Kairn is a technology company from London building wearables, money tools and AI that share one foundation — so every product knows what the others know, and you only set things up once.
( 02 )Products
Four products,designed as one.
Wearable
Money02 / 04
Kairn Wallet
Spending, saving and investing in one ledger, with rules that react to how you actually live.
- Multi-currency
- Round-up investing
- Shared spaces
Intelligence03 / 04
Kairn Assist
An on-device assistant that answers with context from your ring and wallet — privately.
- On-device first
- Voice and text
- No ad profile
Platform04 / 04
Kairn Core
The shared layer underneath: identity, permissions and encrypted sync across every device.
- End-to-end encrypted
- Open APIs
- EU & UK hosting
( 03 )System
Four products.One memory.
- 01
Set up once
One identity and one set of permissions travel with you across every Kairn device.
- 02
Context, not copies
Products share signals through Core instead of duplicating your data in four places.
- 03
Yours to switch off
Every connection can be paused per product, per signal, at any time.
- Raised to build the full stack
- £42M
- People on the early-access list
- 18K
- Countries in the pilot programme
- 7
- Pilot users still active after 90 days
- 96%
( 04 )Engineering
Built in the lab.Proven outside it.
Every device runs thousands of automated cycles before a single person wears it — then months in a real-world pilot.
( 05 )Company
From conceptto system
Four years from a shared belief to a working system — each step built on the one before it.
2022
Company founded
Six engineers, one shared belief: devices and money should work together.
2024
Core architecture
The encrypted sync layer that every product now runs on reaches its first stable release.
2026
Public pilot
Ring, Wallet and Assist ship together to pilot users in seven countries.
( 06 )VoicesMaya Okonkwo — Pilot user, Lagos
“I stopped thinking of it as three apps. My ring tells the wallet I am travelling before I do.”
01 / 03
( 07 )FAQ
Questions,answered.
Something we have not covered? A person on the team reads every message.
hello@kairn.techPilot invitations go out in waves through 2026. Everyone on the waitlist is offered a slot before public launch.
Be first to wearthe whole system.
Join the waitlist for pilot invitations and launch pricing. One email when it matters, nothing in between.
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