Side-by-side reliability

Fitbit FB512BKBK vs Apple Apple Watch Ultra

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 12–12 months depending on category.

Compare up to four products →

Model A

Fitbit FB512BKBK

Reliability signal — · Insufficient data · data confidence Very Low

1 failure reports · Insufficient data · Very Low confidence

Most common failure: Overheating
Typical failure age: 4.6 yr
Median repair cost: —
Highest reported repair: —

Median months

% mfr warranty

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After warranty reports

Avg repair cost

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Top failure categories

Overheating1

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Model B

Apple Apple Watch Ultra