Even R1 Smart Ring vs Smartwatch Band: which is safer?

Even R1 Smart Ring is the clear pick. Fitbit Smartwatch Band carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

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

Fitbit Smartwatch Band

Fitbit

Smartwatch Band

PFAS grade

Poor 40/100

Overall grade

Bad 18/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Silicone, elastomer, or Teflon-family coating elastomer (unspecified)

Confidence

45%

PossibleElastomer additive migration (plasticizers, slip agents)

PossibleDegradation and microparticle shedding

PossibleHeavy metal pigments in colored bands

Where these two actually differ

  • We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Fitbit.
  • We flag Elastomer additive migration (plasticizers, slip agents), Degradation and microparticle shedding, Heavy metal pigments in colored bands and Contact dermatitis or irritation from uncertified elastomers on the Fitbit and not on the Even Realities.
  • The Even Realities is titanium, stainless steel, sapphire crystal where the Fitbit is Silicone, elastomer, or fluoropolymer elastomer (unspecified), which is most of the difference in these two grades.
  • The gap is 45 points, wide enough that this is not a close call, and the Even Realities is the one to buy.
  • We are less certain about the Fitbit grade, at 45% confidence against 72%, because it discloses less.

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