Editor's Choice

Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head, Rechargeable, White

$89.99

Price observed 2026-08-18. Amazon shows the live price.

Amazon lists it at $99.99, 10% off. That figure is Amazon's, not a price we have recorded.

personal care★ 4.3(2,427)on Amazon

Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head

Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head, Rechargeable, White

The Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head was $89.99 when we checked it on 2026-08-18. Best for: People who want the iO's magnetic drive and pressure light without paying for the display.

The iO is Oral-B's best technology: Clinically Proven 500% More Plaque Removal Along Gumline versus a manual toothbrush. The i04 coaches you to a perfect clean. This is real time personalized coaching. The accompanying App shows your daily brushing report. Having 4 Brush Modes (Daily Clean, Whiten, Sensitive, and Super Sensitive) Oral-B is on your team for your everyday brushing task. A Round head and gentle micro-vibrations, the Magnetic interaction delivers smooth, harmonious motion through a Synchronized cleaning action (micro-vibrations synced with oscillations). A Built-in-2-Minute Timer ensures an even easier experience, helping you get an optimal clean on all your teeth. The Oral-B's quadrant timer breaks the two minutes up into four 30-second intervals to clean each quadrant of you

Why we picked it

Best for: People who want the iO's magnetic drive and pressure light without paying for the display.

500% more plaque removal along the gumline than a manual brush, clinically proven, at the entry point to Oral-B's iO line.

What we like

+ Magnetic drive removes 500% more plaque along the gumline than manual, per Oral-B
+ Pressure light plus 4 cleaning modes, more coaching than the budget pick
+ Round head design reaches spots a flat manual brush misses
+ Lithium-ion battery holds a charge longer than older oscillating brushes

Watch outs

- Replacement heads cost more than Sonicare's, the real long-term price
- No onboard display, just a light ring for feedback
- App is optional and most owners stop opening it after week one

Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head price history

1 weekly check of our own, from 2026-08-18 to 2026-08-18. How our price tracking works

We hold one price observation for this product, $89.99 on 2026-08-18. A chart needs at least two, so it appears once the next weekly snapshot lands.

About this item

FOR HEALTHIER GUMS IN JUST 1 WEEK remove 100% more plaque and even 2.5X in between teeth* with ORAL-B MOST ADVANCED TECHNOLOGY *vs a manual brush
TRACK AND IMPROVE YOUR BRUSHING HABITS over time with ORAL-B APP through performance reports, journeys, and goals
PROTECT YOUR GUMS WITH iO PRESSURE SENSOR, Oral-B's only one to signal if you are applying the PERFECT PRESSURE for an effective and safe clean
PERSONALIZE YOUR BRUSHING choosing among 4 CLEANING MODES: Daily Clean, Sensitive, Super-Sensitive, Whitening
Always MAXIMIZE YOUR CLEAN with iO LIGHTRING TIMER -that celebrates a dentist recommended 2-minute brush- and REFILL CHANGE ALERT
Oral-B ROUND brush heads REACH WHERE RECTANGULAR manual brushes DON'T. Experience our BEST CLEAN from Oral-B, #1 brand most used by dentists worldwide
Benefit from a LONG-LASTING CHARGE with the Lithium-ion battery

Details

Product Dimensions: 2.87 x 0.13 x 6.22 inches; 1.1 pounds
Item model number: Model iO G4.1A6.1K
Brand Name: Oral-B
Model Name: series 4
Model Number: Model iO G4.1A6.1K

#personal-care #rechargeable #oral-care #reddit-pick

Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head: common questions

Is the Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head worth it?

500% more plaque removal along the gumline than a manual brush, clinically proven, at the entry point to Oral-B's iO line. Its Amazon listing shows 4.3 out of 5 stars across 2,427 ratings, which is the retailer's figure and not our verdict.

How much does the Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head cost?

The Oral-B iO Series 4 Electric Toothbrush with (1) Brush Head was $89.99 when we checked it on 2026-08-18. Amazon lists it at $99.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.