Helio Smart Ring Health Tracker vs Smart Ring 3 Pro: which is safer?

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

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

Smart Ring 3 Pro

Smart Ring 3 Pro

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Titanium body, synthetic polymer bands, electronic components

Confidence

35%

PossibleContact dermatitis from synthetic polymer band

PossibleSeal degradation and moisture ingress

Where these two actually differ

  • We flag Polymer band composition and residual monomers and Bacterial growth in sealed band-case junction on the Amazfit and not on the .
  • We flag Contact dermatitis from synthetic polymer band and Seal degradation and moisture ingress on the and not on the Amazfit.
  • The Amazfit is Titanium alloy case, polymer band where the is Titanium body, synthetic polymer bands, electronic components, 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