Even R1 Smart Ring vs Ring Gen3 Horizon Smart Ring: which is safer?

Even R1 Smart Ring is our pick, better on PFAS and on the overall hazard picture.

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

Oura Ring Gen3 Horizon Smart Ring

Oura

Ring Gen3 Horizon Smart Ring

PFAS grade

Excellent 85/100

Overall grade

Good 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Titanium, sapphire crystal, stainless steel

Confidence

35%

PossibleNickel leaching from stainless steel or plating

PossibleBattery and adhesive off-gassing or leakage

PossibleWater-resistance seal degradation and bacterial/fungal growth

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 Nickel leaching from stainless steel or plating, Battery and adhesive off-gassing or leakage and Water-resistance seal degradation and bacterial/fungal growth on the Oura and not on the Even Realities.
  • The Even Realities is titanium, stainless steel, sapphire crystal where the Oura is Titanium, sapphire crystal, stainless steel, 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.
  • We are less certain about the Oura grade, at 35% 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