The Ultimate Oral-B iO Series Comparison: iO 7 vs. iO 8 vs. iO 9 (2024)

When it comes to electric toothbrushes, Oral-B iO Series is at the forefront of innovation, offering advanced features designed for a superior clean.

The iO Series 7, 8, and 9 models all come packed with smart technology, a magnetic drive, and a sleek design, but choosing between them can be a challenge.

In this comprehensive guide, we’ll break down the key differences, pros, and cons of each model, helping you decide which one is best for your oral care routine.

Oral-B iO Series Overview

Before diving into the specifics of each model, let’s take a look at what makes the Oral-B iO Series electric toothbrushes stand out:

  • Magnetic Drive Technology: All iO models feature a magnetic drive that delivers energy directly to the bristles, providing a smoother, quieter brushing experience.
  • Smart Pressure Sensor: Protects your gums by alerting you when you’re brushing too hard and signaling when you’re applying just the right pressure.
  • AI Brushing Technology: Tracks your brushing habits in real-time via the Oral-B app, offering personalized feedback to improve your brushing technique.

Now, let’s compare the iO Series 7, iO Series 8, and iO Series 9 to help you find the best fit.

Oral-B iO Series 7: Advanced Cleaning at a Lower Price

The Oral-B iO Series 7 is the entry-level model in the iO lineup, but don’t let that fool you—it still packs a punch with advanced features.

Key Features:

  • Five Brushing Modes: Daily Clean, Sensitive, Gum Care, Intense, and Whitening modes cater to different brushing needs.
  • Smart Pressure Sensor: Alerts you when you’re brushing too hard or too soft, ensuring optimal pressure for gum health.
  • Interactive Display: Guides you through your brushing session, providing instant feedback.

Who Should Buy the iO Series 7?

If you’re looking for an electric toothbrush that offers superior cleaning without all the extra bells and whistles, the Oral-B iO Series 7 is perfect.

It’s great for users who don’t need advanced customization but still want features like AI technology and a smart pressure sensor to ensure proper brushing. Full review here.

Oral-B iO Series 8: Smart Features with Added Comfort

The Oral-B iO Series 8 takes everything the iO 7 offers and adds a few more premium touches.

It’s a step up in terms of comfort and customization, making it an ideal choice for those looking for more features in their brushing experience.

Key Features:

  • Six Brushing Modes: In addition to the iO 7’s modes, it includes a Super Sensitive mode for users with extra-sensitive gums.
  • Enhanced Interactive Display: Provides real-time brushing guidance, including a 2-minute timer to ensure you’re brushing for the recommended amount of time.
  • Magnetic Charging Stand: The iO 8 includes a magnetic charger that fully powers the toothbrush in just 3 hours.

Why Choose the iO Series 8?

The iO 8 is perfect for users who want a bit more control and comfort from their toothbrush.

The additional Super Sensitive mode and faster charging make it ideal for people with sensitive teeth or those who are frequently on the go. Full review here.

Oral-B iO Series 9: The Ultimate Smart Toothbrush

If you’re looking for the best of the best, the Oral-B iO Series 9 is the flagship model. It offers all the features of the iO 7 and 8, but with enhanced AI and tracking capabilities.

Key Features:

  • Seven Brushing Modes: In addition to the modes available on the iO 8, the iO 9 includes an additional Tongue Cleaning mode.
  • 3D Teeth Tracking: The iO Series 9 features enhanced AI brushing technology, tracking the position of the brush on each tooth for a more precise clean. It syncs with the Oral-B app to offer detailed feedback on areas that need more attention.
  • Smart Pressure Sensor: Like the other models, the iO 9 has a smart pressure sensor that protects your gums, but it also includes a color-coded system (red for too hard, green for just right, and white for too soft).

Who Is the iO 9 For?

The Oral-B iO Series 9 is ideal for tech enthusiasts and users who want the most thorough clean possible.

Its advanced 3D teeth tracking ensures that no area is missed, while the extra brushing mode is a great bonus for those who want to keep their tongue clean and fresh. Full review here.

Oral-B iO Series 7 vs. 8 vs. 9: Which One Is Right for You?

Choosing between the Oral-B iO Series 7, 8, and 9 comes down to your personal preferences and how much you value the added features.

Feature

iO Series 7

iO Series 8

iO Series 9

Brushing Modes

5

6

7

Interactive Display

Yes

Enhanced

Enhanced + Color Coded

Pressure Sensor

Smart Pressure Sensor

Smart Pressure Sensor

Smart Pressure Sensor

AI Technology

Yes

Yes

Enhanced with 3D Tracking

Charging

12-hour charge

3-hour magnetic charge

3-hour magnetic charge

Unique Features

-

Super Sensitive mode

3D Teeth Tracking, Tongue Cleaning

Is the Oral-B iO Series Worth the Investment?

All three models—iO Series 7, iO Series 8, and iO Series 9—deliver exceptional oral care, outperforming manual and many electric toothbrushes on the market.

However, the iO 9 stands out for its additional brushing modes and enhanced AI technology, making it the best option for users who want the most advanced features.

For those looking for a budget-friendly option that still offers premium features, the iO Series 7 is an excellent choice.

The iO 8 strikes a great balance, offering more modes and faster charging than the 7, without the premium price tag of the 9.

Frequently Asked Questions (FAQs)

What is the difference between the Oral-B iO Series 7, 8, and 9?


The primary differences are in the number of brushing modes, the type of AI feedback, and charging capabilities. The iO 9 offers the most features, including 3D teeth tracking and a Tongue Cleaning mode.

Is the Oral-B iO Series good for sensitive teeth?


Yes! The iO Series 8 and 9 both offer super-sensitive brushing modes, which are ideal for people with sensitive teeth or gums.

Can I use the Oral-B iO toothbrush with braces?


Absolutely. All iO models are safe for use with braces, and their advanced technology helps clean around orthodontic work effectively.

Final Verdict

In conclusion, the Oral-B iO Series toothbrushes are among the best electric toothbrushes available, with the iO Series 9 leading the charge in terms of features and performance.

If you’re on a budget, the iO Series 7 provides excellent value, while the iO Series 8 offers a sweet spot between the two with extra comfort features.

No matter which model you choose, you’re investing in an advanced tool that will undoubtedly revolutionize your oral care routine.

Shop the Oral-B iO Series Here

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