Should you buy it??
Trust it
based on 2 of 5 signals
Rank in Oral Care · last 6 weeks?
Climbed to #1
Up from #13 over the last 6 weeks — and holding the top spot.
Quick take
In short: what each side says
AI · critics · buyers · brand claims — each opened up in full further down ↓
Best on Claude (avg #1.0), weakest on perplexity (#4.0)
Main competitors
Top rivals in Oral Care.
The verdict
What the panel makes of it.
Oral-B iO Series 9 is an electric toothbrush made by Procter & Gamble. Released in 2022. The brush head oscillates at seven thousand strokes per minute with artificial intelligence that detects brushing pressure. People buy it to prevent gum damage and plaque buildup during daily cleaning. AI assistants currently rank it third among electric toothbrushes.
Act one
What the machines think.
Several AI models read the category and place this product — model by model, list by list, over time.
Model by model?
How each AI sees it.
Best on Claude (avg #1.0), weakest on perplexity (#4.0) Averaging across the AI panel, iO Series 9 sits around #2.7 this snapshot.
Gemini
—
Didn’t rank iO Series 9 this snapshot.
Rank trajectory?
Weeks of movement.
Act two · ★ new
What the people say.
The same product, judged by the owners who bought and filmed it — what they praise, what they knock, who it's for.
Video reviews?
What reviewers actually say.
Oral-B iO 10 REVIEW - Worth it or go for the iO Series 9?
TechNovelTies
Oral-B iO Series 9 (iO9) Review
Electric Teeth
Oral-B iO Series 9 Review ► Is the electric toothbrush worth its high price? Reviews Made in Germany
Wunschgetreu - Reviews Made in Germany
Oral-B iO Series 9 (My Honest Review)
Zachus
Review Of Oral B iO9 Toothbrush - 1 Year Later (HDR)
Rich Aesthetic
Frequent rivals?
What it competes against.
- Sonic Toothbrush
by BURST
iO Series 9 leads 1–0
Across 1 shared question
- E1 Smart Electric Toothbrush
by Colgate
iO Series 9 leads 1–0
Across 1 shared question
- X Pro Elite
by Oclean
iO Series 9 leads 1–0
Across 1 shared question
- Pro 1000
by Oral-B
iO Series 9 leads 1–0
Across 1 shared question
- Sonic-Fusion 2.0
by Waterpik
iO Series 9 leads 1–0
Across 1 shared question
- Pro 3000
by Oral-B
iO Series 9 leads 1–0
Across 1 shared question
- ISSA 3
by Foreo
iO Series 9 leads 1–0
Across 1 shared question
The recap
Where it stands today.
- PositionBest rank #1 across 1 intent tracked (climbed 2 this week).
- FootprintStrongest in Best Electric Toothbrushes (#1).
- AI verdictClaude ranks it highest (#1.0); perplexity most sceptical (#4.0) — a split the people don’t share.
- TraitsMost often described as “premium” (2 mentions).
- Closest rivalSonic Toothbrush (1–0 across 1 shared intent).
- MakerBy Oral-B — see how it ranks across other intents on its brand profile.
browse iO Series 9 in these categories