CN
“The most sophisticated smart toothbrush on the market — the pressure feedback and app coaching are best in class.”
Is the Oral-B iO Series 9 worth it?
The Oral-B iO Series 9 is a top pick with a 9/10 consensus score across 3 expert reviews. Experts highlight ai-powered brushing recognition maps all 16 zones in real time and io app scores brushing session with pressure and coverage feedback. Wirecutter says: "The Oral-B iO Series 9 has the best brushing AI we've tested — the 16-zone cover..." Best for: Thoroughness-focused brushers, Those with gum disease history, Smart bathroom setups.
Must Buy3 Expert Reviews
Price Range
$220
$220 list16-zone AI coverage3 expert sources
Check price →Affiliate link — we earn a commission at no extra cost to you
Oral-B iO Series 9
NM
Nicholas Miles · Editor-in-Chief & Methodology Owner
Oral Care
Expert consensus
How we score09.0/1010
3 expert sources · 3 quoted
3 quoted sources with published scores
- Tom's Guide 8.9/10
- CNET 9/10
- Wirecutter 9.1/10
Expert Consensus across 3 sources
Updated:Editorial consensus score: SmartHomeExplorer's synthesis of the 3 published expert reviews listed on this page. Not a user rating.
“The Oral-B iO Series 9 has the best brushing AI we've tested — the 16-zone coverage map genuinely changes how you brush.”
Key Features
- ✓ 16-zone AI coverage
- ✓ 7 brushing modes
- ✓ Pressure sensor
- ✓ MagneticDrive motor
- ✓ iO app coaching
Best For
Thoroughness-focused brushersThose with gum disease historySmart bathroom setups
Oral-B iO Series 9 vs. the alternatives
How the Oral-B iO Series 9 stacks up against other Bathroom options on price, expert consensus, and ecosystem support.
| Product | Price | Consensus | Works With | Verdict |
|---|---|---|---|---|
| Oral-B iO Series 9This page | $220 | 9/10 | — | Must Buy |
| Philips Sonicare DiamondClean Smart | $200 | 8.8/10 | — | Recommended |
| Colgate Hum | $50 | 7.9/10 | Amazon Alexa | Recommended |
| Oclean X Pro Elite | $130 | 8.4/10 | — | Recommended |
The Oral-B iO Series 9 ($220 list) earns a 9/10 expert consensus across 3 sources, versus the TOTO Washlet C5 Bidet Seat at $469-$499 list (9.2/10 consensus).
What Experts Agree On
What Experts Love
- ✓ AI-powered brushing recognition maps all 16 zones in real time
- ✓ iO app scores brushing session with pressure and coverage feedback
- ✓ MagneticDrive motor delivers precise 3D motion
- ✓ 7 brushing modes including whitening and gum care
- ✓ Pressure sensor displays green/amber/red feedback on handle
Common Criticisms
- ✗ $220 is premium — brush head replacements are ~$30 for 3-pack
- ✗ App requires constant Bluetooth pairing to deliver coaching value
- ✗ Charging case is an additional $40 purchase
What The Experts Say
TO
“The iO Series 9 earns its premium price tag with AI coaching that dentists would approve of.”
Frequently Asked Questions
Is the Oral-B iO Series 9 worth it?
The Oral-B iO Series 9 earns a 9/10 consensus score across 3 expert sources and is rated "Must Buy". At $220, it is best for Thoroughness-focused brushers. Wirecutter is among the named sources behind that consensus.
How much does the Oral-B iO Series 9 cost?
The Oral-B iO Series 9 is priced at $220. With a 9/10 score from 3 expert reviews and a "Must Buy" rating, that price represents strong value relative to the ~7.5/10 average for Bathroom products. Prices shift often, so check the live figure before buying.
Who is the Oral-B iO Series 9 best for?
The Oral-B iO Series 9 is best for Thoroughness-focused brushers, Those with gum disease history, Smart bathroom setups. Experts rate it "Must Buy" with a 9/10 consensus across 3 sources.
How does the Oral-B iO Series 9 compare to other Bathroom options?
Among the Bathroom products we have aggregated, the Oral-B iO Series 9 ranks above average with a 9/10 score. CNET adds: "The most sophisticated smart toothbrush on the market — the pressure feedback and app coaching are best in class."
What are the best alternatives to the Oral-B iO Series 9?
If the Oral-B iO Series 9 ($220, 9/10) is not the right fit, the closest alternatives in Bathroom are Philips Sonicare DiamondClean Smart, Oclean X Pro Elite. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Oral-B iO Series 9?
The main strengths of the Oral-B iO Series 9 are ai-powered brushing recognition maps all 16 zones in real time and io app scores brushing session with pressure and coverage feedback. The most-cited downside is $220 is premium — brush head replacements are ~$30 for 3-pack. Overall, 3 expert sources rate it "Must Buy" with a 9/10 consensus score.
Decided on the Oral-B iO Series 9?
$220 list16-zone AI coverage3 expert sources
Check price →Affiliate link — we earn a commission at no extra cost to you
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See how the Oral-B iO Series 9 ranks against the full field in our Bathroom buying guides.
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Sources & Methodology
This review aggregates 3 independent expert reviews into a single consensus score. See how we build consensus scores.
Expert review sources cited on this page:
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you.This consensus review is based on 3 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. Oral-B and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by Oral-B or any other manufacturer named in this article.