Philips Sonicare DiamondClean Smart 9700 vs Waterpik Sonic-Fusion 2.0

Side-by-side comparison based on 845 verified buyer reviews

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SmartScore Comparison

85

Philips Sonicare DiamondClean Smart 9700

Great

489 reviews

VS9 pts diff
76

Waterpik Sonic-Fusion 2.0

Good

356 reviews

AI

AI Verdict

Based on verified buyer reviews

The Philips Sonicare DiamondClean Smart 9700 is the clear winner with a SmartScore of 85 compared to 76 for the Waterpik Sonic-Fusion 2.0. Based on hundreds of verified reviews, the Philips Sonicare DiamondClean Smart 9700 consistently delivers a superior experience.

Winner: Philips Sonicare DiamondClean Smart 9700(SmartScore 85/100)

Price Comparison

Philips Sonicare DiamondClean Smart 9700

$219$329

Verified purchase rate: 80%

Waterpik Sonic-Fusion 2.0

$119$169

Verified purchase rate: 74%

Specs Comparison

Spec
Philips Sonicare DiamondClean Smart 9700
Waterpik Sonic-Fusion 2.0
Performance
Technology
Sonic (62,000 strokes/min)
Sonic + water flossing
Cleaning Modes
5 modes, 3 intensity levels
Modes
Brush / Floss / Both
Water Pressure
10 settings (10-100 PSI)
Smart
Smart Features
Pressure sensor, location tracking
Accessories
Brush Heads
4 types included
2 included (compact + full size)
Battery
Battery Life
14 days (2x/day)
Charging
Charging
Glass tumbler + USB travel case
Capacity
Reservoir
15 oz (60+ seconds)
Physical
Dimensions
4" x 5" x 10.5" (base)

What People Say

Philips Sonicare DiamondClean Smart 9700

What People Love

  • Sonic vibration is incredibly gentle on sensitive gums
  • Glass charging tumbler is elegant and practical
  • Multiple brush head options for different needs
  • Noticeably whiter teeth within weeks

What People Hate

  • Smart sensors are less accurate than Oral-B's AI tracking
  • Brush heads are expensive (though slightly less than Oral-B iO)
  • App coaching is basic compared to competitors

Waterpik Sonic-Fusion 2.0

What People Love

  • Combines brushing and flossing in one step — saves time
  • Water flossing is gentler than string floss
  • ADA accepted for both brushing and flossing
  • Great for people who hate traditional flossing

What People Hate

  • Messy — water sprays everywhere until you learn the technique
  • Brush head is bulky and hard to maneuver
  • Reservoir needs refilling every 60 seconds

Who Should Buy What?

Philips Sonicare DiamondClean Smart 9700

Best For

  • People with sensitive teeth and gums
  • Those who want a gentle yet effective clean
  • Users who value elegant design in their bathroom

Not For

  • People wanting detailed brushing analytics
  • Those who prefer oscillating brush motion
  • Budget-conscious buyers

Waterpik Sonic-Fusion 2.0

Best For

  • People who never floss (this makes them actually do it)
  • Braces wearers and people with dental work
  • Those wanting to simplify their oral care routine

Not For

  • People who want a quiet bathroom routine
  • Those with small bathroom counters (base is large)
  • Users wanting the best brushing performance

About This Analysis

This Philips Sonicare DiamondClean Smart 9700 vs Waterpik Sonic-Fusion 2.0 review is generated by ReviewIQ's AI analysis engine, which aggregates and synthesizes data from verified buyer reviews, expert assessments, and public product specifications. Our methodology cross-references multiple review sources to identify recurring patterns, strengths, and issues — providing an unbiased, data-driven summary rather than a single opinion.

Verified Data SourcesMulti-Source AnalysisRegularly Updated

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