WI
“The Oral-B iO Series 9 has the best brushing AI we've tested — the 16-zone coverage map genuinely changes how you brush.”
Is the Oral-B iO Series 9 worth it?
The Oral-B iO Series 9 ($220) is a top pick with a 9/10 consensus score across 13 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 Buy13 Expert Reviews
Oral-B iO Series 9
NM
Nicholas Miles · Editor-in-Chief & Methodology Owner
Oral Care
SHE ScoreAbove Average
SmartHomeExplorer proprietary rating
6.8/10
13 expert sources
Compatibility Breadth5/10
Setup Ease6/10
Reliability8.3/10
Value Rating9/10
Future-Proofing5.5/10
The Oral-B iO Series 9 earns a SHE Score of 6.8/10, driven by strong value (9/10) with room to improve in compatibility breadth (5/10). Based on 13 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 9/10 across 13 sources
Updated:“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 our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| Oral-B iO Series 9This page | $220 | 9/10 | 6.8/10 | major smart home platforms | Must Buy |
| Philips Sonicare DiamondClean Smart | $200 | 8.8/10 | 6.4/10 | major smart home platforms | Recommended |
| Colgate Hum | $50 | 7.9/10 | 6.3/10 | Amazon Alexa | Recommended |
| Oclean X Pro Elite | $130 | 8.4/10 | 6.4/10 | major smart home platforms | Recommended |
The Oral-B iO Series 9 ($220) earns a 9/10 expert consensus and a 6.8/10 SHE Score across 13 sources, versus the TOTO Washlet C5 Bidet Seat at $399-$459 (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
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What The Experts Say
CN
“The most sophisticated smart toothbrush on the market — the pressure feedback and app coaching are best in class.”
TO
“The iO Series 9 earns its premium price tag with AI coaching that dentists would approve of.”
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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 13 expert sources and is rated "Must Buy". At $220, it is best for Thoroughness-focused brushers. Wirecutter notes: "The Oral-B iO Series 9 has the best brushing AI we've tested — the 16-zone coverage map genuinely changes how you brush."
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 13 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 13 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 smart home systems does the Oral-B iO Series 9 work with?
The Oral-B iO Series 9 works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
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, 13 expert sources rate it "Must Buy" with a 9/10 consensus score.
Sources & Methodology
This review aggregates 13 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
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 13 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.