
Oral-B
iO Series Gum & Sensitive Replacement Brush Head for Oral-B iO Series Electric Toothbrushes, White, 4 Count
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Every Oral-B product we track, with the ones currently below their normal price first.
Products tracked
103
On sale now
16
Best discount
45%
Median price
$19.97
Comparison
Both handles have a pressure sensor. The iO5 has five named brushing modes and Oral-B describes its sensor as signaling too hard, too soft, or just right; the HX6423/34 offers three modes and Philips describes pressure feedback through a built-in sensor.
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Comparison
Choose by feedback style and mode preference: iO2 lists Super Sensitive with a red overpressure alert; Oral-B's Series 3 guide lists Whitening and a pressure ring with too-light, right-pressure, and too-hard cues.
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Comparison
Both handles document pressure feedback and two-minute/30-second timing, so the choice is about control cues and refill systems rather than a proven brushing result.
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Comparison
The iO2 gives a red cue and slows when pressure is too high; Pro 1000 stops pulsations. Refill compatibility is a separate practical difference: iO2 uses iO heads, while Pro 1000 is in Oral-B’s traditional non-iO family.
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Comparison
Both models have pressure guidance. The iO2 signals when pressure is too high and slows the brush; the iO5 adds a visible three-color pressure ring plus app-connected Position Detection.
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Comparison
Oral-B lists five modes and app-connected tracking for iO5, versus three modes and no app connection for iO3. Both series have visible pressure feedback.
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16 deals · 87 more tracked

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Size: 4 Count (Pack of 1)
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Size: 4 Count (Pack of 1)
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Size: 2 Count (Pack of 1)
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Size: 2 Count (Pack of 1)
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Size: 2 Count (Pack of 1)
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Oral-B
Size: 1 Count (Pack of 1)
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Oral-B
Size: 2 Count (Pack of 1)
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Oral-B
Size: 1 Count (Pack of 1)
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Oral-B
Size: 4 Count (Pack of 1)
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Oral-B
Size: 2 Count (Pack of 1)
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These sit at or above their own normal price. We keep them here so you can see the current price and decide whether to wait.

Oral-B
Size: 1 Count (Pack of 4)
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Oral-B
Size: 1 Count (Pack of 4)
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Oral-B
Size: 328 Foot (Pack of 1)
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Oral-B
Size: 3 Count (Pack of 1)
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Oral-B
Size: 4 Count (Pack of 1)
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Oral-B
Size: 1 Count (Pack of 2)
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Oral-B
Size: 1 Count (Pack of 1)
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Oral-B
Size: 300 Foot (Pack of 1)
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