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Philips Sonicare Power Flosser 3000 vs Waterpik Aquarius WP-660 vs Waterpik ION
The Waterpik Aquarius WP-660 edges it 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
The Waterpik ION suits you if
- You don't have an outlet near your bathroom sink
- You want a deep, dentist-fresh clean and like having lots of pressure choices
- You have braces, implants, or dentures and need specialty tips
Skip it if
- You're sensitive to noise or share a bathroom with light sleepers
- You want something small enough to toss in a travel bag
- You'd rather avoid a splashy learning curve at the sink
So, which one?
The Waterpik Aquarius WP-660 is the stronger all-rounder of the three. The Philips Sonicare Power Flosser 3000 is still the better fit if you share a bathroom or flossing noise bothers you. The Waterpik ION is still the better fit if you don't have an outlet near your bathroom sink.
We researched 14 expert reviews, analyzed 15,179 owner ratings and comments across 14 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 64 vs 77 vs 70 · reliability 44 vs 67 vs 58
| Philips Sonicare Power Flosser 3000 | Waterpik Aquarius WP-660 | Waterpik ION | |
|---|---|---|---|
| Product Review score | 64 | 77 | 70 |
| Experts | 71 | 92 | 75 |
| Owners | 67 | 68 | 71 |
| Reliability | 44 | 67 | 58 |
| Report problems | 22% | 13% | 17% |
| Evidence | 4 reviews · 488 comments | 5 reviews · 97 comments | 5 reviews · 143 comments |
| Typical price | $70–$94 | $69–$100 | $90–$100 |
● marks the better number on each row.
Experts vs ownersExperts 71 vs 92 vs 75 · Owners 67 vs 68 vs 71
Philips Sonicare Power Flosser 3000
Waterpik Aquarius WP-660
Waterpik ION
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.
Waterpik ION
Our research covered 5 hands-on expert evaluations, and 4 of 5 named the ION a best overall or top pick, citing thorough cleaning, a cord-free charging base and a large tank. Noise is the clearest weak spot: 3 of 5 experts flagged it as loud, and one dismissed it entirely for being overwhelmingly loud. Among 143 owner comments, 20% praise its cleaning, while 14% call it messy, 7% find it too strong and 7% say it broke or died. Overall, failure mentions reach 17%, and our reliability score of 58 rests on limited long-term data, so durability evidence is thinner than performance evidence. It holds a 4.1-star average across about 7,300 Amazon ratings.
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
Waterpik ION
- Very loud during use
- Messy, with splashing and drooling
- Some units break or have battery problems
Questions people actually ask
Which is better, the Philips Sonicare Power Flosser 3000 or the Waterpik Aquarius WP-660 or the Waterpik ION?
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. The Waterpik ION is the better fit if you don't have an outlet near your bathroom sink.
Based on: Product Review score 64 vs 77 vs 70.Which is more reliable?
The Waterpik Aquarius WP-660. It's the least likely of the three to give you trouble.
Based on: Reliability 44 vs 67 vs 58; problems mentioned by 22% vs 13% vs 17% 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 68 vs 71, 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; Waterpik ION $90–$100.As an Amazon Associate we earn from qualifying purchases. It never changes a score.