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Philips Sonicare Cordless Power Flosser 3000 vs 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 Cordless Power Flosser 3000 suits you if
- You have sensitive gums and want gentle cleaning
- You wear braces or other dental hardware
- You want a light, compact flosser for a small bathroom
Skip it if
- Long-term durability is your top concern
- You want a waterproof flosser for use in the shower
- You want a big tank that lasts a full, unhurried session
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 three. The Philips Sonicare Cordless Power Flosser 3000 is still the better fit if you have sensitive gums and want gentle cleaning. The Philips Sonicare Power Flosser 3000 is still the better fit if you share a bathroom or flossing noise bothers you.
We researched 12 expert reviews, analyzed 15,163 owner ratings and comments across 12 sources for the three, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 62 vs 64 vs 77 · reliability 48 vs 44 vs 67
| Philips Sonicare Cordless Power Flosser 3000 | Philips Sonicare Power Flosser 3000 | Waterpik Aquarius WP-660 | |
|---|---|---|---|
| Product Review score | 62 | 64 | 77 |
| Experts | 63 | 71 | 92 |
| Owners | 67 | 67 | 68 |
| Reliability | 48 | 44 | 67 |
| Report problems | 21% | 22% | 13% |
| Evidence | 3 reviews · 455 comments | 4 reviews · 488 comments | 5 reviews · 97 comments |
| Typical price | $70–$95 | $70–$94 | $69–$100 |
● marks the better number on each row.
Experts vs ownersExperts 63 vs 71 vs 92 · Owners 67 vs 67 vs 68
Philips Sonicare Cordless Power Flosser 3000
Philips Sonicare Power Flosser 3000
Waterpik Aquarius WP-660
How we reached each verdictThe numbers behind each model's score
Philips Sonicare Cordless Power Flosser 3000
Our research combined 3 hands-on expert evaluations with 429 first-hand owner reports, and cleaning is the clear strength: 42% of owners praise how well it cleans and 24% call it easy to use. Reliability is the weak point, scoring 48 out of 100, with 21% of owner comments mentioning failures and 17% specifically saying the unit broke or died. We analyzed 2,062 star ratings, and 11% were 1-star, which is consistent with those durability complaints. The expert evidence is thin: none of the 3 sources published a score we could analyze, and all 3 preferred a Waterpik model overall.
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 Cordless Power Flosser 3000
- 17% of owners report the unit broke or died
- Can be messy, and the small tank runs out quickly
- Power button is easy to press by accident
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 Cordless Power Flosser 3000 or the Philips Sonicare Power Flosser 3000 or the Waterpik Aquarius WP-660?
The Waterpik Aquarius WP-660, for most homes. The Philips Sonicare Cordless Power Flosser 3000 is the better fit if you have sensitive gums and want gentle cleaning. 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 62 vs 64 vs 77.Which is more reliable?
The Waterpik Aquarius WP-660. It's the least likely of the three to give you trouble.
Based on: Reliability 48 vs 44 vs 67; problems mentioned by 21% vs 22% vs 13% of owners.Which is easier to live with day to day?
It's a draw. Day to day, the three are about as satisfying.
Based on: Owners score 67 vs 67 vs 68, from ratings and comments.Which is cheaper?
The Waterpik Aquarius WP-660 usually costs less.
Based on: Typical prices: Philips Sonicare Cordless Power Flosser 3000 $70–$95; 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.