Your health on your finger.
Heart rate, HRV, sleep, blood oxygen, body temperature · continuous tracking, no wrist required.
A$99 one-time. No subscription. Ever.
vs Oura Ring 4 · A$569 + A$110/yr
vs Whoop · A$399/yr
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$99 |
| Subscription | A$299/yr | A$110/yr | None |
| App access | Paid only | Paid only | Free, always |
| Year 1 cost | A$299 | A$679 | A$99 |
| Year 2 cost | A$299 | A$110 | A$0 |
Products
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.