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Oral-B · iO
iO9
Oral-B's second-tier iO brush, with a colour display, seven modes, app tracking, a magnetic fast charger and a charging travel case, but without the iO10's iO Sense charger.
- Type
- Oscillating-rotating
- Modes
- 7
- Pressure sensor
- Yes
- App
- Yes
What reviewers say
Reviewers agree it cleans very thoroughly with a quiet, smooth motion and offers plenty of modes and feedback. Both criticise the high price of the brush and its heads; T3 also found the app's tooth tracking unreliable and the brush hard to keep clean.
From techradar.com and t3.com
Specifications
Report a wrong or missing specBrushing
- Type
- Oscillating-rotating
- Modes
- 7
- Pressure sensor
- Yes
- Timer
- Yes
- Brushing detail
- Round iO brush head with oscillating-rotating movement plus micro-vibrations, from a linear magnetic drive
- Modes
- Smart Adapt, Daily Clean, Sensitive, Whitening, Gum Care, Intense Clean, Tongue Clean; units made before spring 2026 have Super Sensitive in place of Smart Adapt (Electric Teeth)
- Pressure sensor
- Visible smart pressure sensor signals too hard, too soft or just right; the brush slows down when pressure is too strong
- Brush heads
- Oral-B iO brush heads only (Ultimate Clean, Gentle Care, Radiant White, Interdental Clean)
Battery and app
- App
- Yes
- Battery detail
- Lithium-ion; the handle display shows battery level
- Charger
- Magnetic charger, full charge in about 3 hours; charging travel case
- App
- Oral-B app over Bluetooth, with 3D teeth tracking and Apple Health sync
Design
- Display
- Yes
- Travel case
- Yes
- Display details
- Interactive colour display showing mode, 2-minute timer, pressure, battery and brush-head reminder
- Travel case
- Charging travel case
- Colours
- Black Onyx, Rose Quartz, Sapphire Blue, Aquamarine, Lunar Gold
- In the box
- Handle, magnetic charger, charging travel case, brush heads (number varies by pack)
Pros and cons
Pros
- Seven modes, including Smart Adapt and Tongue Clean
- Magnetic charger gives a full charge in about 3 hours; charging travel case
- Colour display with timer, pressure and battery level
Cons
- Only takes Oral-B iO brush heads
- No battery life figure published, only "long-lasting"
Closest rivals
Model | Type | Modes | Pressure sensor | App | Released |
|---|---|---|---|---|---|
| Oscillating-rotating | 7 | Yes | Yes | Sept 2022 | |
| Oscillating-rotating | 5 | Yes | Yes | Aug 2020 | |
| Oscillating-rotating | 5 | Yes | Yes | Sept 2022 |
Sources
- oralb.co.uk/en-gb/products/electric-toothbrushes/oral-b-io9-black-onyx-recharge…
- oralb.co.uk/en-gb/MyNewiO9
- oralb.com/en-us/products/shop-all/oral-b-io-series-9-rechargeable-electric-toot…
- nasdaq.com/press-release/oral-b-iotm-the-biggest-innovation-in-oral-care-histor…
- t3.com/reviews/oral-b-io9-review
- electricteeth.com/uk/oral-b-io-review
- Oral-B iO9 Black Onyx brush with charger, travel case, three spare heads and supplied US retail box: Official Oral-B product photograph; Oral-B iO9 Black Onyx brush with charger, travel case, three spare heads and supplied US retail box. Complete supplied canvas and background preserved.
- Oral-B iO9 Black Onyx handle beside a smartphone displaying the Oral-B app in a supplied close configuration photograph: Official Oral-B product photograph; Oral-B iO9 Black Onyx handle beside a smartphone displaying the Oral-B app in a supplied close configuration photograph. Complete supplied canvas and background preserved.
