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Head-to-head · Best Water Flossers

Waterpik Cordless Advanced 2.0 Water Flosser vs Waterpik Ion

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 (4.2 vs 3.8). 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
Ranked #5 in Best Water Flossers
Waterpik Ion
5 sources2 derived$79.99as of Aug 31

The Waterpik Ion offers a unique hybrid approach to water flossing by combining the benefits of countertop units with cordless convenience through its built-in rechargeable battery. While it provides longer flossing times than typical cordless models and features the ADA Seal of Acceptance, it requires countertop placement rather than true portability. Reviewers noted it delivers effective cleaning results and is suitable for daily use, though some found the size limiting for travel purposes.

Strengths
  • — Rechargeable battery provides cordless convenience without needing a power outlet
  • — Larger water tank offers longer flossing time compared to typical cordless models
  • — Clinically proven effectiveness with American Dental Association Seal of Acceptance
Watch-outs
  • — Main unit must sit on countertop despite being cordless
  • — Not travel-friendly due to size and countertop requirement
$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
Nozzle TypesInterchangeable7 flossing tips
Charging TypeCordlessMagnetic USB-A
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 ounces5.9 x 7.3 x 5.7 inches; 1.3 pounds
Battery Lifeup to 4 weeksup to 4 weeks
← See the full ranking of best water flossers