Oral-B iO Series 6 review: State-of-the-art cleaning from a more affordable toothbrush

With high-end tech at a more mid-range price point, this is a superb electric toothbrush. Just watch and wait for that RRP to fall.
Written By
Published on 14 October 2022
Our rating
Reviewed price £300 inc. VAT
Pros
  • Delivers a fantastic clean
  • Excellent smart app features
  • Useful feedback from the OLED screen
Cons
  • No fast charging
  • Expensive at its RRP

Ask us to pick out the most advanced, effective Oral B electric toothbrush of the moment, and wed point you at Oral-Bs iO Series 9. Between its colour OLED screen, its magnetic drive system, its onboard sensors and its smart app connectivity, its a tooth-cleaning dream machine. However, theres just one problem: its expensive, even by high-end electric toothbrush standards.

Since its launch, Oral-B has stepped in with some lower-priced variants, switching out some brush modes and accessories to hit a slightly lower price. Yet its with the new Series 6 that I think the iO line really hits the mainstream. Sure, there are some noticeable compromises, but it brings the same impressive core technology within reach of a much wider audience.

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

£115.94

Check price

The iO Series 6 comes in with a £300 RRP, which is already £100 less than the broadly similar iO Series 7. However, as with any electric toothbrush, wed never recommend that you pay full price, as in sales and events youre almost guaranteed to see it for significantly less. To put this in perspective, if you timed your purchase well you could have had the £400 iO Series 7 for £120 this year. The iO Series 6 should be around the same price or even cheaper as the sales kick in.

Youre still getting a built-in OLED display, albeit in monochrome rather than colour, along with the iO Series advanced brush head and smooth, power-efficient magnetic motor. The Series 6 also has the same five cleaning modes as the Series 7, the same pressure sensors and the same AI-powered smart tracking features. Neither has the full seven brushing modes or the more advanced full 3D tracking features of the Series 9, but these shouldnt be thought of as dealbreakers.

In fact, the biggest difference between the Series 6 and Series 7 is that the latter has a more advanced magnetic charging stand. Its useful, but I suspect that most of us could live without it.

It might be the cheapest of the iO Series brushes, but the Series 6 is still a joy to use. Its got the same slick, streamlined design language, with smooth plastics, a great, solid-feeling handle and two round, rubberised buttons, set above and below the OLED screen. The brush head clamps firmly on top of a sturdy plastic column in the centre of the angled mounting, where youll also find the pressure sensor indicator, which glows red when you brush too hard, a gentle white when you brush too lightly and green when youve got the pressure just right.

Its a nicely balanced brush, easy to grip, and with a head thats easy to get into the tightest corners of the mouth. Whats more, it cleans effectively with less vibration and less noise than previous Oral-B brushes and even most Philips Sonicare brushes. Move from a lower-end Pro or Smart series brush, and the iO6 feels like a real step up.

Whats the point of the OLED screen? Well, for a start it shows the current brushing mode, both with text and a chunky icon. You can switch between the five modes Daily Clean, Sensitive, Whiten, Gum Care and Intense by pressing the lower button. However, its more important role is to give you instant feedback, with a timer you can check to pace your brushing, a happy face when youve brushed for a whole two minutes, and a sad face when you cut your brush short. It sounds like a small thing, but you feel bad when you see the sad face. You, of course, may feel differently, but theres a sense that you and the brush have made some kind of tooth-care team and that, through neglect, youre letting the side down.

The other key feature is Bluetooth connectivity and the iO smart app. As we said, you dont get the full range of performance-tracking options that youll find on the iO Series 9, but the app shows which section of the mouth youre cleaning, with the teeth turning blue to white as you make your way around. Turn off the brush and youre graded for your cleaning, and over time youll get tips that can help you improve your technique further. And if youve got specific issues, such as gum disease or stinky breath, the app can suggest brushing routines that Oral-B has designed to counter them.

To my mind, Oral-B has really nailed the smart brush experience. Its not always practical to have your phone with you in the bathroom, and if you dont you still get enough aural feedback (from the usual timed pulses) and visual feedback to help you maintain a routine. Yet when you do use the app, you get advice and information that can actually help. Whats more, setup is very easy, and connectivity during testing was rock solid.

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

£115.94

Check price

Bar the absence of two brushing modes, the clean from the Series 6 is the same as youd get from the Series 8. Basically, its fantastic. Theres more than enough action in the Daily Clean, Whitening and Intense modes to get the trickiest teeth feeling super-fresh and plaque-free, while the Sensitive and Gum Care modes are great for slightly painful areas or giving your gums a good massage. Follow a proper cleaning routine and your teeth should feel noticeably cleaner than if youd used another brush and thats coming from someone whos fairly cynical about the difference between affordable and high-end brushes.

The battery is expected to last around two weeks between charges, and in my experience, you should be good for several days more. The OLED screen also gives the brush one further advantage in that you get a digital readout of the remaining battery, so you get plenty of warning when its about to run out. Thats a good thing, as the one thing the Series 6 lacks in comparison to the pricier models is Oral-Bs magnetic fast charger, which can charge the toothbrush in just two to three hours. Here youre looking at a bog-standard charger and an overnight charge, but thats something I can handle if it means a little money off.

READ NEXT: Best electric toothbrush deals

Right now, money is a slightly tricky issue, and Oral-B really needs to make sure that the iO Series 6 stays at a slightly lower price than the Series 7 or buyers will look at that charger and spend accordingly. But as long as its cheaper than the Series 7, and ideally, in the £120 to £150 price range, the Series 6 is an absolute winner. It gives you nearly all the best technology from the iO series, but in a brush that more of us might be able to afford, and that makes it one very easy brush to recommend.

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

Oral-B iO6 Electric Toothbrushes For Adults, 1 Toothbrush Head & Travel Case, 5 Modes with Teeth Whitening, UK 2 Pin Plug, Grey Opal

£115.94

Check price

Written by

Stuart Andrews has been writing about technology and computing for over 25 years and has written for nearly every major UK PC and tech outlet, including PC Pro and the Sunday Times. He still writes about PCs, laptops and enterprise computing, plus PC and console gaming, but he also likes to get his hands dirty with the latest gardening tools and chill out with his favourite movies. He loves to test things and will benchmark anything and everything that comes his way.

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