Oura Ring 4 NZ: Price, Specs & Where to Buy

Oura's fourth-generation ring is the most discreet way to track sleep and recovery, but the subscription and sizing process trip people up. Here's what it costs in NZ and how to get the fit right.

NZ pricing

Oura Ring 4 pricing in NZ varies by finish and retailer, generally landing between $454 and $559 NZD. Silver and Black finishes tend to sit at the lower end of that range, while Gold and other premium finishes push toward the top. Noel Leeming and JB Hi-Fi both stock the full size range (sizes 4 through 13, in most finishes), and PriceSpy NZ is a reasonable way to check who currently has the best listed price.

The membership: what it actually costs

The ring itself is only half the cost. Oura requires a membership to access most of its health insights — heart rate trends, sleep staging, readiness scores, and cycle tracking. In NZ, that's $11.99 NZD/month, or a discounted annual prepay option at $139.99 NZD/year. New members typically get the first month free with a ring purchase. Without an active membership, the ring still tracks basic data but you lose access to the detailed insights that are the whole point of buying one — so budget for the subscription as part of the real cost, not an optional extra.

Sizing: don't skip this step

Oura ring sizes don't match standard jewellery ring sizes, and the company is explicit that you should order a free sizing kit and wear the correct-size dummy ring for at least 24 hours before committing to a finish. Fit matters more with the Oura Ring than most wearables — it needs to sit snugly to get accurate sensor readings, and a size that's technically comfortable to slide on can still be too loose to track well. Noel Leeming and Oura's own store both offer standalone sizing kits, and buying one in-store before your real purchase can save an expensive resizing exchange later. Some retailers knock a small discount off the ring price if you've already bought a sizing kit.

What Oura Ring 4 actually does well

The main draw is that it's genuinely unobtrusive — no screen, no charging every night, and comfortable to wear 24/7 including in the shower and while sleeping (rated water-resistant, not fully rugged). It tracks sleep stages, resting heart rate, heart rate variability, body temperature trends, and gives a daily "readiness" score. Battery life is roughly 4-8 days depending on size and usage, charged via a small magnetic dock.

Who it suits — and who it doesn't

Oura Ring 4 is best for people who want serious sleep and recovery tracking without wearing a watch to bed, or who find wrist-based wearables irritating. It's a poor fit if you want workout-specific tracking with GPS mapping, on-device notifications, or a fitness-first device — Oura tracks general activity but isn't built for structured training like a Garmin or the Whoop band is. It's also not great for very active hands-on jobs (tradies, gym staff) where a ring could catch on equipment.

Where to buy in NZ

• JB Hi-Fi NZ and Noel Leeming — mainstream retail with full size/finish range
• Oura's own NZ-facing store — direct from the brand, useful for sizing kit purchase
• Sleep Well Clinic (cpap.co.nz) — a specialty NZ retailer that also stocks Oura rings