Even R1 Smart Ring vs Compatible for Withings Smartwatch Bands, 18mm, 20mm Quick Release New Soft Silicone Sport Replacement Straps for Women: which is safer?

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

Even R1 Smart Ring

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

Compatible for Withings Smartwatch Bands, 18mm, 20mm Quick Release New Soft Silicone Sport Replacement Straps for Women

Withings

Compatible for Withings Smartwatch Bands, 18mm, 20mm Quick Release New Soft Silicone Sport Replacement Straps for Women

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Silicone elastomer, no surface treatment disclosed

Confidence

72%

PossibleSilicone degradation and surface oxidation

PossibleBacterial or fungal colonization

Where these two actually differ

  • We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Withings.
  • We flag Silicone degradation and surface oxidation and Bacterial or fungal colonization on the Withings and not on the Even Realities.
  • The Even Realities is titanium, stainless steel, sapphire crystal where the Withings is Silicone elastomer, no surface treatment disclosed, 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