Independent reviews · Evidence first

Oral-B iO Series 6 vs Philips Sonicare DiamondClean Smart

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

Oral-B iO Series 6Philips Sonicare DiamondClean Smart
Overall3.43.3
Owner sentiment4.03.9
Recommendations3.03.0
Value2.52.4
Owner comments613
Price snapshot$193.00 (price as of 2026-11-11)$199.96 (price as of 2026-11-07)

Specs (shared fields)

Oral-B iO Series 6Philips Sonicare DiamondClean Smart
Brand NameOral-BPhilips Sonicare
Age Range DescriptionAdultAdult
Included Components1 x Charging Station Storage Bag, 1 x charging station, 2 brush heads, Travel Case, iO Series 6 Electric ToothbrushTravel Case
Model NameOral-B iO Series 6DiamondClean Smart
Target AudienceUnisex-AdultsUnisex-Adults
Package Type NameBoxBox
Model NumberiOM6.2BD6.BDHHX9903/15
Manufacturer Part Number8700216837811HX9903/15
Other Special Features of the Product5 brushing programs, AI Technology, Bluetooth Connectivity, Brushing Timer, Pressure SensorPressure Sensor,Brushing Timer,Rechargeable,Lightweight,Ergonomic
Power SourceBattery PoweredBattery Powered
Item Firmness DescriptionSoftSoft
Toothbrush Head ShapeRoundDiamond Shaped

Where owner praise diverges

Owners praise the Oral-B iO Series 6 more for brush heads, and the Philips Sonicare DiamondClean Smart more for battery.

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Oral-B iO Series 6 review · Philips Sonicare DiamondClean Smart review