Even R1 Smart Ring vs Ring 4 Ceramic Smart Ring with 8-Day Battery: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Even Realities
Even R1 Smart Ring
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
titanium, stainless steel, sapphire crystal
Confidence
72%
PossibleBand material variability
PossibleSkin sensitization from sweat pooling
Oura
Ring 4 Ceramic Smart Ring with 8-Day Battery
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Titanium and ceramic composite ring
Confidence
72%
PossibleCeramic coating degradation
PossibleNickel in titanium alloy
Where these two actually differ
- We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Oura.
- We flag Ceramic coating degradation and Nickel in titanium alloy on the Oura and not on the Even Realities.
- The Even Realities is titanium, stainless steel, sapphire crystal where the Oura is Titanium and ceramic composite ring, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More water-resistant smart rings & bands, see the full ranking