Fre Series Waterproof MagSafe Case for iPhone 17 vs A610 Universal Waterproof Float Case: which is safer?
OtterBox Fre Series Waterproof MagSafe Case for iPhone 17 is our pick: better on PFAS and on the overall hazard picture.
Our pick
OtterBox
Fre Series Waterproof MagSafe Case for iPhone 17
PFAS grade
Excellent 85/100
Overall grade
Good 67/100
Verdict
Buy with care
Hazard flags
⚑ 1
Material
Polycarbonate and elastomer
Confidence
42%
LikelyElastomer degradation and seal failure
Spigen
A610 Universal Waterproof Float Case
PFAS grade
Excellent 85/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 3
Material
TPE (thermoplastic elastomer) with waterproof sealing
Confidence
42%
PossibleTPE material degradation
PossibleMicroplastic shedding
PossiblePFAS in waterproofing coatings
Where these two actually differ
- We flag Elastomer degradation and seal failure on the OtterBox and not on the Spigen.
- We flag TPE material degradation, Microplastic shedding and PFAS in waterproofing coatings on the Spigen and not on the OtterBox.
- The OtterBox is Polycarbonate and elastomer where the Spigen is TPE (thermoplastic elastomer) with waterproof sealing, 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 personal electronics cases: see the full ranking