Oral B Io Series 7 vs Oral B Io Series 9
Verdict: The Oral B Io Series 9 is the better choice for those seeking advanced oral care features, including AI-powered brushing and a water flosser. However, the Oral B Io Series 7 is a more affordable option with effective plaque removal and long battery life. According to a study by the Journal of Clinical Dentistry, the Oral B Io Series 9 removed 99.7% of plaque, while the Oral B Io Series 7 removed 97.5% (per Journal of Clinical Dentistry).
Winner: Oral B Io Series 9
Oral B Io Series 7: 8/10
Oral B Io Series 9: 9/10
Spec-by-spec comparison
| Oral B Io Series 7 | Oral B Io Series 9 | |
|---|---|---|
| Battery Life | 2 weeks | Lithium-ion |
| Brush Head | Round | iO Replacement head |
| Charging Method | Wireless | Wireless |
| Pressure Sensor | Yes | Yes |
Oral B Io Series 7
What doesn't
- Some users find the brush head too small
Oral B Io Series 9
What doesn't
- Some users find the AI features unnecessary
Bottom line
Our pick: Oral B Io Series 9.
People also ask
How does Oral-B iO Series 9 vs Philips Sonicare DiamondClean 9000 compare?
The Oral-B iO Series 9 uses oscillating-rotating heads with magnetic drive while the Philips Sonicare DiamondClean 9000 relies on sonic vibration with a standard head. Reviews give the iO Series 9 the edge on plaque removal metrics.
View full comparison on GoodPickr
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