Helio Smart Ring vs Helio Smart Ring Health Tracker: which is safer?

Amazfit Helio Smart Ring Health Tracker is our pick: better on PFAS and on the overall hazard picture.

Amazfit Helio Smart Ring

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

Amazfit Helio Smart Ring Health Tracker

Amazfit

Helio Smart Ring Health Tracker

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Titanium alloy case, polymer band

Confidence

35%

PossiblePolymer band composition and residual monomers

PossibleBacterial growth in sealed band-case junction

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 Amazfit.
  • We flag Polymer band composition and residual monomers and Bacterial growth in sealed band-case junction on the Amazfit and not on the Amazfit.
  • The Amazfit is Titanium alloy where the Amazfit is Titanium alloy case, polymer band, 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