Oral-B iO2 vs Oral-B iO9
Better figure, where one is clearly better
| Oral-BiO2 | Oral-BiO9 | |
|---|---|---|
| Overview | ||
| Released | September 2024 | August 2020 |
| Brushing | ||
| Type | Oscillating-rotating | Oscillating-rotating |
| Modes | 3 | 7 (better) |
| Pressure sensor | Yes | Yes |
| Timer | Yes | Yes |
| Brushing detail | Round iO brush head with oscillating-rotating movement plus micro-vibrations; starts on the Super Sensitive setting | Round iO brush head with oscillating-rotating movement plus micro-vibrations, from a linear magnetic drive |
| Modes | Super Sensitive, Sensitive, Daily Clean | 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 | Automatic gum pressure sensor slows the brush and signals red when you brush too hard | 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, Gum & Sensitive and others) | Oral-B iO brush heads only (Ultimate Clean, Gentle Care, Radiant White, Interdental Clean) |
| Battery and app | ||
| Battery life (maker's claim) | Up to 28 days | – |
| App | No | Yes |
| Battery detail | Up to 4 weeks on a single charge; low-charge indicator | Lithium-ion; the handle display shows battery level |
| Charger | Standard charging stand | 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 | No | Yes |
| Travel case | – | Yes |
| Display details | – | Interactive colour display showing mode, 2-minute timer, pressure, battery and brush-head reminder |
| Travel case | Included in some packs | Charging travel case |
| Colours | Night Black, Forest Green, Calm Pink, White | Black Onyx, Rose Quartz, Sapphire Blue, Aquamarine, Lunar Gold |
| In the box | Handle, brush head, charger; travel case in some packs | Handle, magnetic charger, charging travel case, brush heads (number varies by pack) |
