Your health on your finger.

Heart rate, HRV, sleep, blood oxygen, body temperature · continuous tracking, no wrist required.

A$89.95 one-time. No subscription. Ever.

vs Oura Ring 4 · A$569 + A$110/yr

vs Whoop · A$399/yr

Shop the Onyx Ring

Free AU shipping · 30-day returns · 1-year warranty

What it tracks.

Heart rate & HRV

Continuous tracking, no wrist required.

Sleep & temperature

Understand your nights without strapping anything on.

7-day battery

Charge in 90 minutes, wear for a week.

How it works.

1

Wear it.

Slide on the ring. Pick your size from our sizing kit. That's the install.

2

Sync it.

Open the Onyx app once a day. Or once a week. The ring stores everything.

3

See your patterns.

Recovery scores, sleep stages, HRV trends · all in plain English.

The basics that matter. None of the subscription.

Whoop Oura Ring 4 OnyxBest value
Upfront A$0 A$569–599 A$89.95
Subscription A$299/yr A$110/yr None
App access Paid only Paid only Free, always
Year 1 cost A$299 A$679 A$89.95
Year 2 cost A$299 A$110 A$0

Products

Onyx Smart Ring

Onyx Smart Ring

Onyx Smart Ring

$89.95
Sale price  $89.95 Regular price 

Questions, answered.

What does the Onyx ring measure?

Heart rate, HRV, blood oxygen, body temperature, sleep stages and daily activity. Onyx is not a medical device and does not diagnose, treat or prevent any condition.

How do I pick my size?

Refer to the sizing guide!

Is it waterproof?

Rated 5 ATM. Showers, swimming, washing the dishes · all fine. Not for scuba diving.

How long does the battery last?

About seven days per charge. Full top-up takes around 90 minutes on the included dock.

Is there a subscription?

No. One-time purchase. The Onyx app is free and stays free.

Warranty and returns?

30-day returns on unused rings. 12-month warranty against manufacturing faults. Email onyxring@outlook.com for help.

Ready when you are.

Shop the Ring · A$89.95