Verdict
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 clear margin (4.5 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
2 sources1 derived

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, Electric Teeth notes it is a bit expensive and takes up to 8 hours to recharge, and VICE found the filling hole small. 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
  • — Full recharge takes up to 8 hours, per Electric Teeth
  • — Bulky magnetic charger ships with only a USB-A cable and no wall adapter
Waterpik Ion Water Flosser
Ranked #3 in Best Water Flossers
Waterpik Ion Water Flosser
6 sourcesall derived$99.99as of Oct 2

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, per Dental Economics
  • — Offers benefits of countertop unit in more compact design, as Dental Economics notes
  • — Clinically proven effectiveness
Watch-outs
  • — May not remove all plaque completely, Healthline notes
  • — Can be costly

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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