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Oral-B iO Series 8 Electric Toothbrush with 2 Replacement Brush Heads and Travel Case, Rechargeable Toothbrush, Black Onyx

TLDR Review: Oral-B iO Series 8 Electric Toothbrush

By ShopSavvy Team

Published: May 13th, 2026

Pros

•Offers helpful app features that track brushing progress and guide technique.
•Includes a dedicated tongue brushing feature with automatic timing.
•The builn timer helps prevent over-brushing and ensures thorough cleaning.
•Users report noticeably smoother and cleaner teeth after use.
•Significantly improves oral hygiene compared to manual brushing.
•Battery life is generally about two weeks per charge, meeting most daily needs.
•Provides a really clean teeth experience, with superior results over lowend options.
•Features multiple brushing modes accessed via the app for customizable cleaning.
•Comes with three brush heads that last approximately three months each.
•The travel case is functional and compatible with newer models for convenient portability.

Cons

•Several reviews mention charging and battery reliability issues, with some devices not holding a charge or stopping working altogether.
•Some users report the device being too aggressive, with aggressive cleaning and pulsations that disturb sensitive users.
•The toothbrush can be messy to clean, especially the connection area, which may develop mold if not maintained.
•The size of the brush head may be large for some users, making it less comfortable.
•The 'wakp' and automatic power-on features can sometimes malfunction or be inconvenient.
•Difficult for some users to navigate the limited brushing options without fully relying on the app.
•There are reports of technical issues like random shutdowns and poor afteales support once warranty expires.
•The pulsation feature is disliked by some, feeling too vigorous or overwhelming.
•The device's design may be perceived as somewhat bulky, and the travel case could be more compact.

Bottom Line

This Oral-B iO Series 8 is a high-tech, highly effective toothbrush that delivers a professional-grade clean, especially if you value app connectivity and multiple modes. However, potential buyers should be aware of reports regarding charging reliability and the aggressive cleaning style, which might not suit sensitive gums. If you prefer a gentler, more straightforward electric toothbrush, or are worried about durability issues, it could be worth exploring alternatives like the <component-button-product identifierProduct="12345-67890...">. We think that this is a solid choice for tech-savvy users willing to deal with some maintenance, but for those seeking a more reliable, gentle experience, other models may serve better.

Lowest at Amazon

$194.99 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 20 retailers to give you the short version.