Oura Ring 4 Review
Smart ring · 8-day battery · No screen
Specdex verdict Oura's Oura Ring 4 is a solid premium pick — strongly recommended, even if it doesn't unseat the category leaders.
Oura Ring 4 is the wearable that disappears. Sleep + recovery + heart-rate variability all in a titanium ring you forget you're wearing. Best at sleep tracking, period.
Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.
Oura Ring 4 versus its closest rivals
- +Most comfortable wearable ever
- +8-day battery life
- +Best sleep tracking we've tested
- −No display — phone required
- −$5.99/mo subscription gates most data
- −Sizing requires order kit
Who's the Oura Ring 4 for?
Quick verdicts for the most common buyer profiles, derived from the sub-scores above.
Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.
Battery sub-score of 96 puts this near the top of its category — full-day use without anxiety.
At $349 this is a genuine value play — Specdex score of 87 far exceeds the typical sub-$500 baseline.
In the box
What you get when you unbox the Oura Ring 4.
- Watch
- Magnetic charging cable
- Sport band (M/L)
- Quick-start guide
Standard contents — region/SKU may vary; confirm at retailer.
Sources & benchmarks
Cited, not generatedSpecdex does not run benchmarks in-house. We're rolling out cited public benchmark data category by category — PassMark for CPUs and GPUs is wired today; DXOMark, RTINGS, Geekbench, and NotebookCheck will follow.
Sources we use when available: PassMark for CPU/GPU, Geekbench Browser for synthetic, DXOMark for camera scores, RTINGS for TVs, monitors, and headphones. See methodology.
Specifications
Editorial · awaiting verification| Specification | Value |
|---|---|
| Sensors | PPG + temp + accel + ECG-ready |
| Specification | Value |
|---|---|
| Battery life | 8 days |
| Specification | Value |
|---|---|
| Connectivity | BT 5.3 |
| Specification | Value |
|---|---|
| Weight | ~3.3 g |
| Specification | Value |
|---|---|
| Form | Titanium ring (8 sizes) |
| Water resist | 100 m |
Oura Ring 4 generations
Side-by-side with the products it replaced and what comes next — the comparisons people actually search for.
Cheaper alternatives to the Oura Ring 4
Same category, at least 20% cheaper, best-scoring picks from our catalog.
Step up from the Oura Ring 4
Higher-scoring smartwatches if you've got more to spend.
More from Oura
All Oura products on Specdex →
Also consider
Where the Oura Ring 4 appears on Specdex
Curated lists, spec rankings, and buying guides where this product is mentioned or ranked.