Price observed . Amazon shows the live price.
Amazon lists it at $329.99, 33% off. That figure is Amazon's, not a price we have recorded.
Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads
Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Aqua Alabaster
The Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads was $219.99 when we checked it on 2026-08-18. Best for: Anyone who wants a screen that actually tells them what's happening, plus a travel case.
The Oral-B iO Series Rechargeable Toothbrush combines powerful, but gentle micro-vibrations with Oral-B's unique dentist-inspired round brush head design for a professional clean feeling every day. The Smart Pressure Sensor helps to keep you from brushing too hard to protect your gums and enamel. 3D Teeth Tracking and AI Recognition use an interactive color display to help guide you to your best clean for all areas of the mouth. A 2-minute quadrant timer comes built-in that pulsates every 30 seconds, ensuring a complete clean. The frictionless, smooth magnetic drive system transfers energy to the bristle tips for a clean that wows. Replace your Oral-B iO Series Replacement Brush Heads every 3 months for best results.
Why we picked it
Best for: Anyone who wants a screen that actually tells them what's happening, plus a travel case.
7 cleaning modes and a color display with 3D teeth tracking, plus 4 brush heads and a charging travel case included.
What we like
- + Color display with 3D tracking shows exactly where you're missing
- + 7 cleaning modes, more than any other pick here
- + Ships with 4 brush heads and a charging travel case
- + 3-hour fast charger tops it up quicker than the other picks
Watch outs
- - Costs more than double the value pick for the same core mechanics
- - AI tracking is a gimmick if your technique is already decent
- - Replacement heads still needed every 3 months, on top of the price
Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads price history
1 weekly check of our own, from 2026-08-18 to 2026-08-18. How our price tracking works
We hold one price observation for this product, $219.99 on 2026-08-18. A chart needs at least two, so it appears once the next weekly snapshot lands.
About this item
- ADVANCED PLAQUE REMOVAL: In just 1 week, remove 100% more plaque and get 2x healthier gums with Oral-B's most advanced technology, making it a great electric toothbrush for adults.
- SMART BRUSHING EXPERIENCE: Experience Oral-B's smart brushing with a display to select cleaning settings, track your brushing time, replace timely refill head & track battery level, all features of a top automatic toothb
- ORAL-B APP: Never miss a spot with the Oral-B app that tracks how and where you brush in real-time.
- GUM PROTECTION: Protect your gums with iO pressure sensor, Oral-B iO signals if you brush too hard, too soft or just right for an effective and safe clean, a feature unique to this rechargeable toothbrush for adults.
- PERSONALIZED CLEANING SETTINGS: Personalize your brushing choosing among 7 cleaning settings and color display screen making this adult toothbrush versatile for all your oral care needs.
- CONVENIENT BRUSHING: Brush conveniently on the go with the 3H fast charger and charging travel electric toothbrush case
Details
- Product Dimensions
- 7.01 x 3.94 x 9.96 inches; 1.39 pounds
- Item model number
- iOM9.4B2.2A
- Brand Name
- Oral-B
- Model Name
- series 9
- Model Number
- iOM9.4B2.2A
Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads: common questions
Is the Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads worth it?
7 cleaning modes and a color display with 3D teeth tracking, plus 4 brush heads and a charging travel case included. Its Amazon listing shows 4.4 out of 5 stars across 8,121 ratings, which is the retailer's figure and not our verdict.
How much does the Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads cost?
The Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads was $219.99 when we checked it on 2026-08-18. Amazon lists it at $329.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
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$219.99 observed
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