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Review · Upgrade · Electric toothbrushes

Gleam Sonic 9 review

With an app that shows which teeth you skip and a travel case that charges the brush.

Tested by Lauren BrooksReviewed by Ryan MitchellIn use January 22, 2026Purchase Bought ourselvesUpdated September 11, 2026Reading time 5 minutes
Gleam Sonic 9 front view
9.1out of 10
9.1/ 10
Our test scoreGleam Sonic 9
Plaque removal9.4
Battery9.0
Ease of use9.2
Brush head cost8.6
Check price on AmazonPrices checked September 30, 2026. We may earn a commission. Learn more
6-month price historyLowest: $179
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Our verdict

With an app that shows which teeth you skip and a travel case that charges the brush.

Pros
+Charging travel case
+Mode for sensitive gums
Cons
–App adds little for most people

Specifications

Price from$179
Test score9.1 out of 10
Rank in our testUpgrade
Tested inThe best electric toothbrush
Models compared15
Test period8 weeks

How it compares

Gleam Sonic 5Brushly OneGleam Sonic 9
Test score8.97.99.1
Price from$89$34$179
RankOur pickBudget pickUpgrade

Alternatives

Frequently asked questions

How often should I replace the brush head?+

Every three months, or sooner if the bristles start to splay.

Sonic or oscillating?+

In our test the difference was small. Choose mainly on brush head price and whether you want pressure control.

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SourcesHouseholdMe in-house measurements (2026)Manufacturer specifications and manual
Changelog
September 11, 2026Prices checked and review updated.
January 22, 2026Review published.
Lauren Brooks
Tested byLauren BrooksErgonomist and sleep coach. Writes about mattresses, garden tools and baby gear.
Ryan Mitchell
Reviewed byRyan MitchellReviews every buying guide before publication. Former consumer news editor.

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Gleam Sonic 9from $179 at AmazonCheck price