Helio Smart Ring vs Even R1 Smart Ring: which is safer?
Even R1 Smart Ring is our pick, better on PFAS and on the overall hazard picture.
Amazfit
Helio Smart Ring
PFAS grade
Excellent 85/100
Overall grade
Good 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Titanium alloy
Confidence
35%
PossibleNickel in titanium alloy
PossiblePolymer gasket or seal degradation
PossibleSkin irritation from continuous wear
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
Where these two actually differ
- We flag Nickel in titanium alloy, Polymer gasket or seal degradation and Skin irritation from continuous wear on the Amazfit and not on the Even Realities.
- We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Amazfit.
- The Amazfit is Titanium alloy where the Even Realities is titanium, stainless steel, sapphire crystal, 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 Amazfit 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