Overview
- On December 1, IMTEST’s Germany-based lab-focused comparison of six electric toothbrushes ranked the Oral‑B iO Series 10 first with an overall 2.28 grade rated “good.”
- IMTEST measured up to 245 minutes of runtime for the Series 10 and about two hours and 36 minutes for a full recharge.
- On December 2, Business Insider, citing Business Insider USA testing, named the Oral‑B iO Series 9 its top pick based on dentist input, hands-on trials, and user feedback.
- Business Insider flagged a current offer putting the iO Series 9 at about €200 versus a €435 list price, an estimated 53% reduction.
- Both reviews emphasize app-based coaching, pressure sensing, and multiple modes, while highlighting replacement-brush costs as an important long-term consideration.