Even R1 Smart Ring vs ASUO Strap: which is safer?
Even R1 Smart Ring is our pick: better on PFAS and on the overall hazard picture.
Our pick
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
Swatch
ASUO Strap
PFAS grade
Excellent 85/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 4
Material
Fabric strap, likely cotton or synthetic polymer blend
Confidence
72%
PossibleAzo dyes and synthetic colorants
PossibleFormaldehyde-releasing finishes
PossibleMicroplastic shedding
Where these two actually differ
- We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Swatch.
- We flag Azo dyes and synthetic colorants, Formaldehyde-releasing finishes, Microplastic shedding and Contact dermatitis from dyes or finishes on the Swatch and not on the Even Realities.
- The Even Realities is titanium, stainless steel, sapphire crystal where the Swatch is Fabric strap, likely cotton or synthetic polymer blend, 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: 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