Side-by-side reliability

Oral-B iO 10 Gold Special Edition vs Oral-B iO 9 Holiday Edition

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

Model A

Oral-B iO 10 Gold Special Edition

Reliability signal — · Insufficient data · data confidence Very Low

4 failure reports · Insufficient data · Very Low confidence
Most common failure
Black residue from brush-head coupling
Typical failure age
—
Median repair cost
—
Highest reported repair
—

Median months

—

% mfr warranty

100%

After warranty reports

0

Avg repair cost

—

Top failure categories

  • Black residue from brush-head coupling1
  • Handle leak with internal mold growth1
  • Repeated premature defects under warranty1
  • Repeated battery failure1
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Model B

Oral-B iO 9 Holiday Edition

Reliability signal — · Insufficient data · data confidence Very Low

2 failure reports · Insufficient data · Very Low confidence
Most common failure
Battery collapse just after 2-year warranty
Typical failure age
1.3 yr
Median repair cost
—
Highest reported repair
—

Median months

15

% mfr warranty

50%

After warranty reports

1

Avg repair cost

—

Top failure categories

  • Battery collapse just after 2-year warranty1
  • Repeated battery failure every ~6 months1
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