What do reviews say about app?

TechRadar says on-brush guidance works without the app, but the app adds detail.

What do reviews say about price?

TechRadar's main complaint is the high cost of the brush and its heads.

What do reviews say about rating?

On Target, 78% of 359 ratings are 4★ or 5★; 12% are 1★.

Beauty & Skincare · Oral care · 359 reviews · 2 sources

Oral-B iO Series 9

Best for: data-driven, thorough brushingPremium

A top-tier smart brush that cleans thoroughly and coaches your technique. It is costly, and about 1 in 8 Target buyers give it 1★.

Tracking since Sep 2026

Buy if

You want real-time brushing feedback
You like app reports on your habits

Skip if

You want a cheap brush and heads
You don't care for smart features

How it scores

Efficacy9.0

Gentleness9.0

Value6.0

Price

$264.99

You pay for: Premium smart toothbrush

Reviewed Sep 2026 · 0 new reviews since · score unchanged

What people love

Most mentioned by reviewers

Thorough cleanRemoves tough plaque

Quiet and smoothGlides across each tooth

Most buyers happyAbout 70% rate it 5★

What people complain about

Most mentioned by reviewers

Pricey brush headsCostly to run

Rated 3★ or lowerAbout 1 in 5 buyers

One-star ratingsAbout 1 in 8 buyers

Reviewers disagree on

Best-in-class cleaningMany buyers feel let down

Alternatives

Same price · $264.99

Ask about this product

Sources

Target
TechRadar
Reviewed Sep 2026

AI summary of public reviews, not a recommendation.