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Oral-B iO Series 9 vs Quip Sonic
The Oral-B iO Series 9 comes out ahead for most homes.
The verdict in 10 seconds
The Oral-B iO Series 9 suits you if
- You care about cleaning performance above everything else
- You tend to brush too hard and want clear feedback on pressure
- You enjoy app tracking and a stylish gadget on the bathroom counter
May not suit you if
- You want a brush that lasts weeks between charges
- You'd rather not pay premium prices for brush heads
- You want the smart tracking to be precise, or you have a very small mouth
The Quip Sonic suits you if
- You're switching from a manual brush and want something simple
- You travel often and want a slim brush with a long-lasting battery
- You like a minimalist look and have little counter space
May not suit you if
- You want a brush that's known for lasting for years
- You want the strongest clean or lots of modes and features
- You have a small mouth or trouble gripping a slim handle
The short version
The Oral-B iO Series 9 is the stronger all-rounder of the two. The Quip Sonic is still the better fit if you're switching from a manual brush and want something simple.
We researched 11 expert reviews, analyzed 18,603 owner ratings and comments across 13 sources for the two, and cross-checked them into one verdict, so you don't have to.
See the evidence
The scoreboardProduct Review score 70 vs 54 · reliability 32 vs 0
| Oral-B iO Series 9 | Quip Sonic | |
|---|---|---|
| Product Review score | 70 | 54 |
| Experts | 88 | 75 |
| Owners | 71 | 60 |
| Reliability | 32 | 0 |
| Report problems | 27% | 42% |
| Evidence | 8 reviews · 175 comments | 3 reviews · 473 comments |
| Typical price | $200–$300 | $25–$65 |
● marks the better number on each row.
Experts vs ownersExperts 88 vs 75 · Owners 71 vs 60
Oral-B iO Series 9
Quip Sonic
How we reached each verdictThe numbers behind each model's score
Oral-B iO Series 9
Experts rate the iO Series 9 highly (score 88), and all 8 hands-on reviewers praise its cleaning. Owners are cooler (score 71), and reliability is the weak spot at 32: 27% of owner comments mention failures, 16% say the brush broke or died, and 24% of retail ratings are 1-star. Battery life is the biggest split. Experts reported anywhere from about 10 days to 38.5 days, and 20% of owners complain about the battery while only 3% praise it. The evidence is solid on cleaning, based on 175 owner comments (151 first-hand) and 9,395 retail votes, but less settled on long-term durability.
Quip Sonic
All 3 hands-on reviewers like the Quip Sonic's slim design, 2-minute timer and travel-friendly cover, but they split on cleaning: one says it cleans well, one says adequately, and one says it is weaker than Sonicare or Oral-B. Owner evidence is far less flattering: of 465 first-hand comments, 40% say the brush broke or died, while 22% praise the clean and 9% find it lacking. Ratings vary widely by source, from 3.28 stars across 406 brand-store reviews to 4.27 stars across 8,560 shopping-listing votes, and only 8 Walmart ratings exist. Expert coverage is thin at just 3 reviews with 1 published score, and the reviewers did not test the same variant, so features like the pressure sensor may differ by model.
Where each one falls shortThe most common complaints
Oral-B iO Series 9
- Very high price, plus pricey iO-only brush heads
- Battery life can be short, and some units fail
- App tooth tracking is inaccurate, and residue builds up in the head
Quip Sonic
- 40% of first-hand owners say it broke or stopped working
- Clean feels weaker and closer to a manual brush for some
- Value and customer support complaints (12% and 7% of owners)
Quick answers
Which is better, the Oral-B iO Series 9 or the Quip Sonic?
The Oral-B iO Series 9, for most homes. The Quip Sonic is the better fit if you're switching from a manual brush and want something simple.
Based on: Product Review score 70 vs 54.Which is more reliable?
The Oral-B iO Series 9. It's the least likely of the two to give you trouble.
Based on: Reliability 32 vs 0; problems mentioned by 27% vs 42% of owners.Which is easier to live with day to day?
The Oral-B iO Series 9. It's the one people are happiest with once it's home.
Based on: Owners score 71 vs 60, from ratings and comments.Which is cheaper?
The Quip Sonic usually costs less.
Based on: Typical prices: Oral-B iO Series 9 $200–$300; Quip Sonic $25–$65.As an Amazon Associate we earn from qualifying purchases. It never changes a score.