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.”
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
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
Last verified:“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
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
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.”
Frequently Asked Questions
Is the Oral-B iO Series 9 worth it?
Oral-B iO Series 9 earns a 9/10 consensus score across our 12 expert sources. It is rated "Must Buy" — Thoroughness-focused brushers. At $220, The Oral-B iO Series 9 has the best brushing AI we've tested — the 16-zone coverage map genuinely changes how you brush.
Who is the Oral-B iO Series 9 best for?
Oral-B iO Series 9 is best for: Thoroughness-focused brushers, Those with gum disease history, Smart bathroom setups. Experts rate it "Must Buy" overall.
How does the Oral-B iO Series 9 compare to other Bathroom options?
Among the Bathroom products we have reviewed, Oral-B iO Series 9 ranks above average with a 9/10 score. 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?
Oral-B iO Series 9 works with major smart home platforms. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the Oral-B iO Series 9?
The main pros 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 main downside is $220 is premium — brush head replacements are ~$30 for 3-pack. Overall, experts rate it "Must Buy" with a 9/10 consensus score.
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.