Electric toothbrushes · owner-verdict comparison

Oral-B iO Series 9 vs Philips Sonicare ProtectiveClean 6100: what real owners say

Real owners lean toward the Oral-B iO Series 9: 42% of 26 owners recommend it, vs 9% of 33 for the Philips Sonicare ProtectiveClean 6100.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Oral-B iO Series 9

42%of 26 owners recommend
42% recommend · 12% neutral · 46% don't
Owners praise
  • Powerful, thorough cleaning
  • Premium, solid-feeling brush
  • Gentle on sensitive teeth
Owners complain about
  • Battery life short or degrades
  • Build-quality failures within a few years
  • Mold builds up in brush head
Full owner report →

Philips Sonicare ProtectiveClean 6100

9%of 33 owners recommend
9% recommend · 18% neutral · 73% don't
Full owner report →

What Oral-B iO Series 9 owners say

“but it's value to my oral health has been inexpressible and absolutely worth every penny that was spent.”
— niftyynifflerr on Reddit
“The oral b series 9 spins so much faster than my cheap Amazon electric toothbrush.”
— @andrewvillanueva3722 on YouTube
“I find it crazy that the charging case isn’t USB-C”
— @omgisthatvik on YouTube

What Philips Sonicare ProtectiveClean 6100 owners say

“Really impressive materials, and found even a 1-year of additional warranty”
— @rolly5888 on YouTube
“Sonicare Premium 6100 works best 👌 👍 when paired with the electric waterflosser”
— @philippegarceau on YouTube
“The quality of Sonicare is not the same anymore,their new products are so fragile”
— @lastsamuraial on YouTube