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Philips Sonicare Power Flosser 3000 vs Waterpik Aquarius WP-660
The Waterpik Aquarius WP-660 comes out ahead for most homes.
The verdict in 10 seconds
The Philips Sonicare Power Flosser 3000 suits you if
- You share a bathroom or flossing noise bothers you
- Your gums are sensitive or your teeth have shifted
- You want a slim, modern-looking flosser that fits a small counter
Skip it if
- You want a large tank that lasts a full session without refills
- Long-term durability is your top priority
- You want lots of tips and low ongoing costs
The Waterpik Aquarius WP-660 suits you if
- You wear braces or have implants, bridges, crowns or gum pockets
- Your gums are sensitive and you want fine control over pressure
- Several people in your home will share one flosser
Skip it if
- You want something cordless for the shower or for travel
- Your counter space near an outlet is very tight
- You have little patience for a splashy learning curve
So, which one?
The Waterpik Aquarius WP-660 is the stronger all-rounder of the two. The Philips Sonicare Power Flosser 3000 is still the better fit if you share a bathroom or flossing noise bothers you.
We researched 9 expert reviews, analyzed 7,736 owner ratings and comments across 12 sources for the two, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 64 vs 77 · reliability 44 vs 67
| Philips Sonicare Power Flosser 3000 | Waterpik Aquarius WP-660 | |
|---|---|---|
| Product Review score | 64 | 77 |
| Experts | 71 | 92 |
| Owners | 67 | 68 |
| Reliability | 44 | 67 |
| Report problems | 22% | 13% |
| Evidence | 4 reviews · 488 comments | 5 reviews · 97 comments |
| Typical price | $70–$94 | $69–$100 |
● marks the better number on each row.
Experts vs ownersExperts 71 vs 92 · Owners 67 vs 68
Philips Sonicare Power Flosser 3000
Waterpik Aquarius WP-660
How we reached each verdictThe numbers behind each model's score
Philips Sonicare Power Flosser 3000
We analyzed 4 expert evaluations (3 hands-on, none with a published score) and 488 owner comments, 438 of them first-hand. Cleaning is the standout: 38% of owners praise results and 24% call it easy to use, and all 4 experts highlight how quiet it is compared with Waterpik models. Reliability is the weak spot, scoring 44, with 22% of owner comments mentioning a failure and 17% saying the unit broke or died, though retail ratings remain solid at 4.2 stars across 4,900 Amazon votes. The evidence is thinner on specifics: sources conflict on tank size, the number of pressure settings, whether the nozzle rotates and whether it runs on a cord or a battery, and our research found no long-term durability testing.
Waterpik Aquarius WP-660
Expert support is strong: all 5 sources we analyzed name the Aquarius a top pick, and 4 of them used it hands-on, citing its 10 pressure settings, 22-ounce tank and specialty tips. Owners are cooler, with a community score of 68 against an expert score of 92; across 97 owner comments (38 first-hand), 15% describe it as messy, while 14% praise how well it cleans. Reliability scores 67, with 13% of comments mentioning failures and 5% saying a unit broke or died. Confidence is low: only one source published a score and we found no retail star ratings to cross-check owner sentiment.
Where each one falls shortThe most common complaints
Philips Sonicare Power Flosser 3000
- Units breaking or dying
- Small tank that may need mid-session refills
- Splashy use and an easy-to-bump power button
Waterpik Aquarius WP-660
- Messy, with water spraying around the sink
- Bulky corded unit that takes up counter space
- Pressure can feel too strong, plus some reports of units dying
Questions people actually ask
Which is better, the Philips Sonicare Power Flosser 3000 or the Waterpik Aquarius WP-660?
The Waterpik Aquarius WP-660, for most homes. The Philips Sonicare Power Flosser 3000 is the better fit if you share a bathroom or flossing noise bothers you.
Based on: Product Review score 64 vs 77.Which is more reliable?
The Waterpik Aquarius WP-660. It's the least likely of the two to give you trouble.
Based on: Reliability 44 vs 67; problems mentioned by 22% vs 13% of owners.Which is easier to live with day to day?
It's a draw. Day to day, the two are about as satisfying.
Based on: Owners score 67 vs 68, from ratings and comments.Which is cheaper?
The Waterpik Aquarius WP-660 usually costs less.
Based on: Typical prices: Philips Sonicare Power Flosser 3000 $70–$94; Waterpik Aquarius WP-660 $69–$100.As an Amazon Associate we earn from qualifying purchases. It never changes a score.