Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.
Waterpik Aquarius WP-660 comes out ahead by a clear margin (4.3 vs 4.8). The gap is mostly about users committed to daily flossing with multiple oral conditions — read the strengths below before deciding.
The Aqua Flosser is the value pick — $40 cordless with 4 tips that covers most basic flossing needs.
The Aquarius WP-660 is the best-overall pick — Waterpik's countertop flagship with most settings and tip options.
Cheapest pick. Most nozzle variety per dollar. Lower pressure consistency.
Most settings and tips. Countertop. Best clinical reputation.
| Spec | Aquasonic Aqua Flosser | Waterpik Aquarius WP-660 |
|---|---|---|
| Type | Cordless | Countertop |
| Tips | 4 incl. tongue scraper | 7 |
| Power | Rechargeable | — |
| Build | Plastic | — |
| Pressure | — | 10 settings |
| Brand | — | Waterpik |