Independent reviews · Evidence first

Oral-B iO Series 6 vs Oral-B iO Series 9

Winner Oral-B iO Series 6 has the higher overall owner score (3.4) in our data.

Oral-B iO Series 6Oral-B iO Series 9
PhotoOral-B iO Series 9 product photo
Overall3.43.3
Owner sentiment4.03.9
Recommendations3.04.7
Value2.51.0
Owner comments630
Price snapshot$193.00 (price as of 2026-11-11)$279.99 (price as of 2026-11-07)

Specs (shared fields)

Oral-B iO Series 6Oral-B iO Series 9
Brand NameOral-BOral-B
Age Range DescriptionAdultAdult
Included Components1 x Charging Station Storage Bag, 1 x charging station, 2 brush heads, Travel Case, iO Series 6 Electric ToothbrushTimer, Travel Case
Model NameOral-B iO Series 6series 9
Target AudienceUnisex-AdultsUnisex-Adults
Model NumberiOM6.2BD6.BDHiOM9.4B2.2A
Manufacturer Part Number8700216837811iOM9.4B2.2A
Other Special Features of the Product5 brushing programs, AI Technology, Bluetooth Connectivity, Brushing Timer, Pressure SensorPressure Sensor
Power SourceBattery PoweredCorded Electric
Item Firmness DescriptionSoftSoft
Toothbrush Head ShapeRoundRound
Operation ModeElectric ToothbrushAutomatic

Where owner praise diverges

Owners praise the Oral-B iO Series 6 more for cleaning, brush heads, and the Oral-B iO Series 9 more for value, battery.

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Oral-B iO Series 6 review · Oral-B iO Series 9 review