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Deal.ai › Philips Sonicare
Philips Sonicare
Philips Sonicare DiamondClean 9700 Power Toothbrush

Philips Sonicare DiamondClean 9700 Power Toothbrush

Best price now

$79.99at eBayChecked 1 h ago

71% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Price facts

  • Lowest price today: $79.99 at eBay (checked Nov 14, 2026).
  • Checked at 6 stores.

Our take on the Philips Sonicare DiamondClean 9700 Power Toothbrush

The DiamondClean 9700 is Philips Sonicare's top-tier sonic toothbrush, with a brush head that senses pressure and adjusts intensity, plus app coaching that maps where you brush. It cleans well and the pressure feedback is genuinely useful for people who brush too hard. Against Oral-B's iO series it is quieter and gentler on gums, but it costs more than mid-range Sonicare models that clean nearly as well. It suits buyers who want the most features Sonicare offers and will use the app.

Best forBuyers wanting Sonicare's top modelPeople who brush too hardApp-driven brushers who want coverage feedbackGum-sensitive users stepping up from a basic brush
Pros
  • SenseIQ pressure sensor adjusts brushing intensity automatically
  • App shows missed areas and coaches technique
  • Multiple cleaning modes including gum care and whitening
  • Quieter and less abrasive feel than oscillating brushes
  • Glass charger and travel case included
Cons
  • Premium tier costs far more than mid-range Sonicare brushes
  • App features add little for people who won't use a phone while brushing
  • Brush heads are proprietary and need regular replacement
  • Battery life is shorter than some simpler Sonicare models

Philips Sonicare DiamondClean 9700 Power Toothbrush prices at every store

  • PhilipsNew

    In stock

    $279.96Free shippingChecked 1 h ago
    Visit Philips
  • TargetNew

    In stock

    $279.99Free shippingChecked 1 h ago
    Visit Target
  • WalmartNew

    In stock

    $339.96Free shippingChecked 1 h ago
    Visit Walmart
  • NordstromNew

    In stock

    $339.96Free shippingChecked 1 h ago
    Visit Nordstrom
  • eBayNew

    Availability unknownSold by ydice_yeoh (0% positive, 127 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $79.99Free shippingChecked 1 h ago
    Visit eBay
  • eBayOpen box

    Availability unknownSold by ehexatech (99.7% positive, 5,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $170.00Free shippingChecked 1 h ago
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $279.96Free shippingChecked 1 h ago
    Visit Amazon

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission. Some prices via Klarna.

Philips Sonicare DiamondClean 9700 Power Toothbrush price history

Lowest price we've seen: $228.07 on Nov 14 at eBay. Tracked across 6 stores since Nov 14.

What reviewers say

Owners rate the cleaning and the pressure feedback highly and say their gums feel better after switching. Many call the app coaching helpful at first but stop using it. The main complaints are the premium tier and the cost of replacement heads.

What people mention
  • CleaningPraisedOwners say teeth feel noticeably cleaner and gums less irritated than with older brushes.
  • Pressure sensorPraisedThe automatic intensity adjustment is called the standout feature by people who brush too hard.
  • App coachingMixedUseful for building coverage habits early on, but many stop opening the app after a few weeks.
  • ValueCriticisedReviewers question whether the top tier is worth it over cheaper Sonicare models that clean nearly as well.
  • BatteryCriticisedSome owners find charge life shorter than expected, especially when using higher-intensity modes.

Specifications

Rechargeable
Yes
Speed
Sonic
Color
White

Questions and answers

How is the DiamondClean 9700 different from the 9900?
The 9700 sits just below the 9900 in Sonicare's lineup and drops a few premium extras while keeping the SenseIQ pressure sensing and app coaching. Both clean similarly; the 9900 adds features most people won't miss.
Do I need the app to use it?
No. The brush works on its own with its built-in modes and pressure feedback. The app adds coverage maps and coaching, which many owners use for a few weeks and then drop.
Is it good for sensitive gums?
Yes. The pressure sensor reduces intensity when you press too hard, and the gum care mode is gentler. Several owners say their gums bled less after switching.
What brush heads does it take?
It uses Sonicare's click-on heads, including the premium brush heads sold for the DiamondClean line. Heads are proprietary, so plan on replacing them every few months.
How does it compare with Oral-B iO?
The Sonicare is quieter and feels gentler, while Oral-B's iO brushes use a round oscillating head that some prefer for a polished feel. Both have pressure sensors and app coaching; pick based on which brushing feel you like.
What comes in the box?
The brush handle, a charging glass, a travel case and a brush head. A USB charging base is included for travel.
Where is the Philips Sonicare DiamondClean 9700 Power Toothbrush cheapest?
At eBay, for $79.99, 71% under what the other stores charge, as of our latest check.
Where can I buy the Philips Sonicare DiamondClean 9700 Power Toothbrush?
6 stores we checked sell it, including eBay, Philips, Target, Walmart, Nordstrom.

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Stores we've priced the Philips Sonicare DiamondClean 9700 Power Toothbrush at

  • Nordstrom deals and prices
  • Target deals and prices
  • Walmart deals and prices

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