Customer reviews from Oralb.com
Oral-B - iO2 Rechargeable Electric Toothbrush Kit - Night Black
Average customer rating
4.8 out of 5
4.8
(490 Reviews)
Open Ratings Snapshot
Rating breakdown 490 reviews
5 Stars
416
4 Stars
49
3 Stars
15
2 Stars
4
1 Star
6
0%of customers recommend this product. 
(
0 out of 6
)
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Customer Reviews for Oral-B - iO2 Rechargeable Electric Toothbrush Kit - Night Black
Customer Rating
4 out of 5
4
Glad to get this!
on July 20, 2025
Posted by: princessbeautymua_251
[This review was collected as part of a promotion.] I’ve never had one of these electric toothbrushes before but my grandma swears by them so when this came up I Decided to give it a try. I like it. It’s simple and sleek. I like the weight of it. It did a good job cleaning my teeth. I also like it that it has multiple settings and the timer function.
Written by a customer while visiting influenster.com
Customer Rating
5 out of 5
5
Love it!
on July 22, 2025
Posted by: ladyshel_5018
[This review was collected as part of a promotion.] Great design, easy to use and comes with instruction on how to set it up. Noise level is minimal to me. The cleaning performance is really good too. It comes fully charged too!
Written by a customer while visiting influenster.com
Customer Rating
1 out of 5
1
Horrible Toothbrush
on August 2, 2025
Posted by: MCHATFIELD
from salem ma
Gender:Female
A few years ago My dentist recommended I should get an electric toothbrush Sonicare. I have been using it for a little over two years. My new dentist recommended to get an Oral B. So I recently purchased a io series 2. This unit is horrible, it says two minute timer. It does not shut off after two minutes not like my Sonicare. It just gives an extra vibration. vs the vibration it gives off during 30 sec quadrants. The neck of the head is way thicker than the Sonicare. And after ever use I have to pull off the head and clean it out I do not have to do that with my Sonicare. This unit was a waste of money I just hate it.
No, I would not recommend this to a friend.
Quality
1 out of 5
1
Value
1 out of 5
1
Response from Oralb.comBy Customer CareAugust 4, 2025
We're disappointed to hear you don't like our iO Series 2 compared to Sonicare, and we're happy to help you. The timer is to let you know the recommended time for brushing has passed. It doesn't shut off automatically in case you need a little longer brushing. Cleaning your toothbrush is ideal to keep it at the optimal performance.

If you prefer a toothbrush without an active timer, we recommend considering other models within our product range that offer customization options. Our higher-tier iO models, such as the iO4 through iO10, provide the ability to control and adjust the timer settings through the Oral-B app. With these models, you can personalize your brushing experience by modifying the timer duration or turning it off, according to your preferences.

We value your feedback and would appreciate you giving us a call at (800) 566-7252 for assistance with the brush and any questions you may have.
Written by a customer while visiting Oralb.com
Customer Rating
5 out of 5
5
Durable charge
on August 8, 2025
Posted by: juanih2_4206
[This review was collected as part of a promotion.] Works great, I can definitely feel my teeth much cleaner compared to a manual brush. Charge lasted for a good while. Long only switching the whole family to electric toothbrush.
Written by a customer while visiting influenster.com
Customer Rating
5 out of 5
5
Great Toothbrush
on August 15, 2025
Posted by: xoxotabbyyyy_1762
[This review was collected as part of a promotion.] This toothbrush is amazing! The 3 cleaning modes let me switch between gentle and deep clean, and my teeth feel so polished after every use. This toothbrush is completely rechargeable, you just have to plug it into a outlet, I would say for the price it is Definitely worth it!”
Written by a customer while visiting influenster.com
Customer Rating
1 out of 5
1
Lots of black mold. Steer clear.
on September 11, 2025
Posted by: Chandler60
from Raleigh, North Carolina
Gender:Male
My dentist insisted I get an Oral B IO because I have crowded teeth and I would get a better clean. I ditched my sonicare for this toothbrush and I regret it deeply. I just got through picking an inch thick layer of black mold from the toothbrush connector. It is so poorly designed to have that issue. I’m mortified.
Cons: Quality, Durability
No, I would not recommend this to a friend.
Quality
1 out of 5
1
Value
1 out of 5
1
Response from Oralb.comBy Customer CareSeptember 15, 2025
We never want you to feel disappointed when using your iO2, Chandler. Our products undergo rigorous quality checks to reach you in perfect condition, allowing you to get the ultimate teeth-cleaning experience. The iO series 2 is designed with openings on the brush heads to allow water to flush through the brush head tube and let air inside. This venting ensures the brush head dries sufficiently after use and reduces moisture inside the tube. What you have described can occur if the brush is stored in a location exposed to mold and bacteria, and the plastic comes into contact with ingredients of a corrosive nature. Certain ingredients used in those types of products can make the plastic porous, allowing dirt and moisture to find places to settle. To avoid this, it's important to always rinse your brush head thoroughly after each use to prevent residue from building up and blocking the openings. Your satisfaction means everything to us, and we'd like to learn more about your experience with your iO2. When you have time, please give us a call at 1-800-566-7252, 9 am-6 pm EST, Monday-Friday.
Written by a customer while visiting Oralb.com
Customer Rating
3 out of 5
3
Not what I expected
on September 20, 2025
Posted by: Robert 987654321
Gender:Male
I received this toothbrush yesterday and was a little disappointed. I believe the advertising is somewhat misleading, details below, and will return it soon. My two big issues are:1 - the toothbrush heads are different that the older versions and, from what I can find out, the old brushes are not interchangeable with the new model. I did not see that documented anywhere and 2 - Also, I think, the advertising implies there is a lighted timer display on the brush someplace. If there is, I cannot find it on the brush.
Response from Oralb.comBy Customer CareSeptember 22, 2025
Thanks for leaving your review, Robert, and we're sorry you feel this way. Oral-B iO2 Starter Kits come with 1 Oral-B iO Gentle Care brush head and 1 Oral-B iO Ultimate Clean brush head. The standard iO2 toothbrush comes with 1 Oral-B iO Gentle Care brush head. All of our Oral-B iO Replacement Brush Heads (Ultimate Clean, Gentle Care, Ultimate White and Targeted Clean) are compatible with all Oral-B iO handles, including the iO2.

There isn't a lighted or visual timer on the iO 2. Instead, it has a vibrating 2-minute timer, breaking the brushing session into 30-second intervals for each quadrant. Feel free to call us at (800) 566-7252 if you'd like any additional assistance.
Written by a customer while visiting Oralb.com
Customer Rating
3 out of 5
3
Great for brushing but doesn't stay clean inside
on September 24, 2025
Posted by: arc23
5 stars for teeth-cleaning ability! I changed to Oral B at the recommendation of my periodontist as I have a history of gum recession. I've enjoyed the teeth-cleaning features of this brush.
Unfortunately, I've had recurring issues with keeping this toothbrush clean. After just 2 months of regular use I began to detect a mildewy smell. The design, while sleek, tends to keep water inside - both the brush head and the handle head. I replace my brush head regularly but that does not solve the issue of the mold inside the handle head. I've now had the brush for 5 months and clean it every day according to Oral B instructional videos (disassemble and thoroughly rinse and dry both parts, allow to dry separately overnight); however, this still hasn't solved the problem. It's nearly impossible to dry all the crevices out completely after rinsing, and the brush head can't stand up on its own to dry overnight. I've soaked it in vinegar, denture cleaner, soap, etc., and still struggled to get rid of the smell. I don't really want to clean my teeth with something that molds easily - and I'm really bummed about it. I might switch to a different toothbrush model that doesn't have so many crevices.
No, I would not recommend this to a friend.
Response from Oralb.comBy Customer CareSeptember 25, 2025
We understand the importance of knowing that your toothbrush is sanitary, and we are disappointed to hear that you have been experiencing mold with your Oral-B iO Toothbrush. When designing our products, we dedicate much time to consumer testing and product research to ensure that we are bringing you exceptional products for your oral care, and this is not something we would expect. It sounds like you have been doing a wonderful job at cleaning your toothbrush the recommended way, by thoroughly rinsing and pulling apart the brush head and handle, and allowing them to air dry. It is important to note that while it is ok to wash them with a mild detergent, certain cleaning solutions may cause the plastic to become porous and allow bacterial growth. We would love a chance to learn more about your experience so we are better able to assist you, as well as gather some additional information for our Quality Team, and encourage you to give us a call at (800) 566-7252.
Written by a customer while visiting Oralb.com
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