Written by Ruben
Edited on
29 June 2026
·
13:08
Compare the Oral-B iO series 5, 6, 9, and 10
The Oral-B iO series is the most advanced series of all Oral-B toothbrushes. All toothbrushes have a smart pressure sensor and a smartphone app, but they're different. These differences are mostly accessories, the number of brushing modes, and the 3D tracking. We'll list the Oral-B series 5, 6, 9, and 10 for you, so you can make the right choice.
Oral-B iO series 5, 6, 9, and 10
- Oral-B iO 10
7 brushing modes
Smart pressure sensor and multi-colored light signal
Interactive color display
Guidance via app with AI recognition
See exactly where you brush thanks to 3D traking
Rechargeable travel pouch
Interactive charging dock
From
€ 279,-
- Oral-B iO 9
7 brushing modes
Smart pressure sensor and multi-colored light signal
Interactive color display
Guidance via app with AI recognition
See exactly where you brush thanks to 3D traking
Rechargeable travel pouch
No interactive charging dock
From
€ 222,90
- Oral-B iO 6
5 brushing modes
Smart pressure sensor and multi-colored light signal
Interactive black and white display
Guidance via app with AI recognition
No 3D tracking
No rechargeable travel pouch
No interactive charging dock
From
€ 145,90
- Oral-B iO 5
5 brushing modes
Smart pressure sensor and multi-colored light signal
Guidance via app with AI recognition
No interactive display
No 3D tracking
No rechargeable travel pouch
No interactive charging dock
From
€ 115,90
Connection with smartphone
iO 9 and 10: AI and 3D tracking
The Oral-B iO 9 and 10 work with AI brush recognition and 3D tracking. Thanks to this combination, the brush sees if you brush every tooth, and how you brush the front, top, and back of every tooth. You can see this in the app afterward. That way, you know exactly how to improve you brush sessions, and you never miss a spot. You can also see the battery life, the brush timer, the pressure sensor, and the lifespan of your brush attachment in the app.
iOS 5 and 6: AI
The Oral-B iO 5 and 6 only work with AI brush recognition. This means that the toothbrush keeps track of which teeth you brush and if you brush them for long enough. This way, the app shows you that you need to brush your front teeth for longer than you normally do, for example. In addition, you can see if you apply enough pressure, the brush timer, the remaining battery life, and when you need to replace the brush attachments.
Brushing modes
iO 9 and 10: 7 brushing modes
With the Oral-B iO 9 and 10, you have the most options with 7 brushing modes. You can choose from a setting for daily and intense cleaning. You also have a setting for whiter, sensitive, and super-sensitive teeth. With the massage brushing mode, you can take care of your gums. They also have a brushing mode for your tongue, which prevents bad breath.
iO 5 and 6: 5 brushing modes
The iO 5 and 6 both have 5 brushing modes. Both models have a brushing mode for daily cleaning. They also have a mode for intense cleaning, whiter teeth, and sensitive teeth. The iO 5 has a setting for super-sensitive teeth. The iO 6 has a setting for gum care instead of that.
Display
iO 6, 9, and 10: interactive display
The Oral-B iO 6, 9, and 10 have an interactive display. This display is black-white on the iO6 and in color with the iO 9 and 10. You can easily read useful information on this display. like which brushing mode you're using. You can also keep an eye on the battery life. When you turn on the toothbrush, the toothbrush will greet you. The display will indicate the quality of your brushing session with smileys. This way, you'll receive direct feedback.
iO 5: LED icons
The Oral-B iO 5 has a simpler LED display compared to the iO 6, 9, and 10. The LED display uses clear icons to indicate which brushing mode you use. This way, you can easily switch which brushing mode you use. You can't see any other information.
Conclusion
Do you prefer to receive feedback on your brush session without having to open your smartphone? And do you want the most brushing modes and see exactly how you brush the front, top, and back of your teeth? The Oral-B iO 10 is suitable for you. If you prefer to use your smartphone, choose the iO 9. Do you need fewer brushing modes and less extensive feedback in the app? The iO 6 is a good choice. Go for the iO 5 if you don't want a display.
Article by Ruben
Toothbrush Expert.