Circular Ring 2 vs Oura Ring 4
6 capability rows · 6 shared · 0 only in Circular · 0 only in Oura
Capability by capability
A tick means the manufacturer's own page states this capability for that product, in a sentence we read. A dash means we found no such sentence — not that the product cannot do it.
| Capability | Circular | Oura |
|---|---|---|
| Physiology | ||
| Activity tracking | ✓ | ✓ |
| Blood oxygen | ✓ | ✓ |
| Heart rate | ✓ | ✓ |
| Skin temperature | ✓ | ✓ |
| Recovery | ||
| Readiness and recovery scores | ✓ | ✓ |
| Sleep tracking | ✓ | ✓ |
What the rows add up to
- Overlap
- They share 6 of the 6 capabilities listed across both: activity tracking, blood oxygen, heart rate, skin temperature, readiness and recovery scores and sleep tracking.
- Price
- Circular Ring 2 is listed at 299.00 USD, Oura Ring 4 at 265.30 EUR.
- Ratings
- Neither maker publishes a rating we could read.
Reviews for Circular Ring 2
“Came for the ECG, that was it, that was the whole plan. First week Kira hit me with: your sleep is wrecking your stress recovery way more than your workouts are helping it. Bro. I restructur...”
Published by the maker · source
“My mum is 68 and very particular. Anything that looks like a health device goes straight in the drawer. This didn't. She wore it, figured out the ECG herself, and showed her doctor. I couldn...”
Published by the maker · source
Reviews for Oura Ring 4
No review published on its page.
Compare one of these against something else
Both product pages are the source for every row: Circular Ring 2 and Oura Ring 4. We have not tested either product. A missing capability is a missing sentence, not a missing function.