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Head-to-head · Best Water Flossers

Waterpik Cordless Advanced 2.0 Water Flosser vs Waterpik Ion Water Flosser

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Waterpik Cordless Advanced 2.0 Water Flosser comes out ahead by a narrow margin (4.2 vs 4.0). The gap is mostly about fit for purpose — read the strengths below before deciding.

Waterpik Cordless Advanced 2.0 Water Flosser
Higher ratedRanked #2 in Best Water Flossers
Waterpik Cordless Advanced 2.0 Water Flosser
6 sources2 derived$59.98as of Aug 31

The Waterpik Cordless Advanced 2.0 Water Flosser features PRECISIONPULSE technology designed to remove up to 99.9% of plaque bacteria, according to dental professionals. Users appreciate its cordless design for travel and ease of use, with battery life lasting several weeks. However, some reviewers noted that the reservoir is small and may not last the full cleaning cycle, and others found the device too splashy or cumbersome. The device includes interchangeable heads for different cleaning needs.

Strengths
  • — Uses PRECISIONPULSE technology proven to remove up to 99.9% of plaque bacteria
  • — Cordless design allows for easy travel and use without being tethered to a power source
  • — Includes interchangeable heads including standard and plaque-finding options
Watch-outs
  • — Reservoir is small and may run out before completing a full cleaning cycle
  • — Some users find the device too splish-splashy and cumbersome to use/store
$59.98 · Check Price on AmazonFull review →
Waterpik Ion Water Flosser
Ranked #4 in Best Water Flossers
Waterpik Ion Water Flosser
7 sourcesall derived$79.99as of Aug 31

The Waterpik Ion Water Flosser combines the benefits of a countertop unit with cordless convenience through its built-in rechargeable battery. Healthline notes it's particularly helpful for those with braces, implants, or arthritis, while ElectricTeeth reviewer John praises its effectiveness and ease of use. The device offers a great clean and is suitable for daily use, though some dental professionals still prefer traditional flossing. While it's more compact than standard models, it's not fully travel-friendly and may not remove all plaque.

Strengths
  • — Technically cordless with built-in rechargeable battery
  • — Offers benefits of countertop unit in more compact design
  • — Clinically proven effectiveness
Watch-outs
  • — May not remove all plaque completely
  • — Can be costly
$79.99 · Check Price on AmazonFull review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

Specs side-by-side

SpecWaterpik Cordless Advanced 2.0 Water FlosserWaterpik Ion Water Flosser
Nozzle TypesInterchangeable7 flossing tips included
Charging TypeCordlessMagnetic USB-A charging cable
TypeCordlessCordless Water Flosser
Water Capacity7 Ounces ( 207 ml )591 ml (20 ounces)
Cleaning Modes3 pressure settings10 pressure settings
Dimensions4 x 2.8 x 11.6 inches; 12.8 ounces5.7 x 5.9 x 7.3 inches; 1.3 pounds
Battery Lifeup to 4 weeksup to 4 weeks
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