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Burst Water Flosser vs Waterpik Aquarius WP-660 vs Waterpik ION
Too close to call: the right one depends on your home.
The verdict in 10 seconds
The Burst Water Flosser suits you if
- You want a cordless flosser that goes a long time between charges
- You travel often and want something compact with easy charging
- You like having a few pressure settings to choose from
Skip it if
- You want to floss your whole mouth without stopping to refill
- You prefer a quiet, splash-free routine at the sink
- You'd rather not pay extra for replacement tips or a subscription
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?
These are closely matched, so pick by what your home needs. The Burst Water Flosser suits you if you want a cordless flosser that goes a long time between charges. The Waterpik Aquarius WP-660 suits you if you wear braces or have implants, bridges, crowns or gum pockets. The Waterpik ION suits you if you don't have an outlet near your bathroom sink.
We researched 13 expert reviews, analyzed 9,241 owner ratings and comments across 13 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 76 vs 77 vs 70 · reliability 90 vs 67 vs 58
| Burst Water Flosser | Waterpik Aquarius WP-660 | Waterpik ION | |
|---|---|---|---|
| Product Review score | 76 | 77 | 70 |
| Experts | 66 | 92 | 75 |
| Owners | 78 | 68 | 71 |
| Reliability | 90 | 67 | 58 |
| Report problems | 4% | 13% | 17% |
| Evidence | 3 reviews · 497 comments | 5 reviews · 97 comments | 5 reviews · 143 comments |
| Typical price | $70 | $69–$100 | $90–$100 |
● marks the better number on each row.
Experts vs ownersExperts 66 vs 92 vs 75 · Owners 78 vs 68 vs 71
Burst Water Flosser
Waterpik Aquarius WP-660
Waterpik ION
How we reached each verdictThe numbers behind each model's score
Burst Water Flosser
Our research analyzed 3 hands-on expert evaluations and 497 owner comments (394 first-hand), and owners rate it more warmly than experts (owner score 78 vs. expert score 66). The leading owner praise is cleaning results (35%) and ease of use (34%), with battery life cited by 11%, which aligns with expert testing that recorded 285 sessions per charge and up to 80 days per charge. All 3 experts flagged the small 110 ml tank, though only 3% of owners raised it, while 5% called it messy. Reliability looks strong, with only 2% of owners reporting a unit that broke or died and no recalls on record, but expert coverage is thin, with just 3 reviews and only 1 published score, so confidence is medium.
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
Burst Water Flosser
- Small tank needs refilling mid-session
- Can be messy to use
- Fill door is fiddly, and the unit is fairly noisy
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 Burst Water Flosser or the Waterpik Aquarius WP-660 or the Waterpik ION?
Neither, clearly. They're closely matched, so choose by your floors, pets and budget.
Based on: Product Review score 76 vs 77 vs 70.Which is more reliable?
The Burst Water Flosser. It's the least likely of the three to give you trouble.
Based on: Reliability 90 vs 67 vs 58; problems mentioned by 4% vs 13% vs 17% of owners.Which is easier to live with day to day?
The Burst Water Flosser. It's the one people are happiest with once it's home.
Based on: Owners score 78 vs 68 vs 71, from ratings and comments.Which is cheaper?
The Waterpik Aquarius WP-660 usually costs less.
Based on: Typical prices: Burst Water Flosser $70; Waterpik Aquarius WP-660 $69–$100; Waterpik ION $90–$100.As an Amazon Associate we earn from qualifying purchases. It never changes a score.