Juice Pack Case for iPhone 17 Pro Max vs ScanWatch 2 Hybrid Smartwatch: which is safer?
mophie Juice Pack Case for iPhone 17 Pro Max is our pick: better on PFAS and on the overall hazard picture.
Our pick
Mophie
Juice Pack Case for iPhone 17 Pro Max
PFAS grade
Excellent 85/100
Overall grade
Excellent 81/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Plastic housing
Confidence
45%
PossibleMicroplastics from case degradation
Withings
ScanWatch 2 Hybrid Smartwatch
PFAS grade
Excellent 85/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Stainless steel case, sapphire crystal, elastomer bands with water resistance
Confidence
35%
Possiblewater-repellent coating (water-repellent coating) treatment chemistry
PossibleSkin sensitization from band contact
PossibleCoating degradation and microparticle release
Where these two actually differ
- We flag Microplastics from case degradation on the Mophie and not on the Withings.
- We flag DWR (durable water repellent) treatment chemistry, Skin sensitization from band contact and Coating degradation and microparticle release on the Withings and not on the Mophie.
- The Mophie is Plastic housing where the Withings is Stainless steel case, sapphire crystal, elastomer bands with water resistance, 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 waterproof smartphone cases: see the full ranking