# Oral-B iO Series 9 Toothbrush

*Published: 2026-04-05 | Updated: 2026-04-05 | Source: https://shopsavvy.com/products/oral-b-io-series-9-toothbrush-2*

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**Brand:** Oral-B
**Price Range:** $246.99 - $419.99 across 5 retailers

## Pros
- Provides an exceptionally thorough clean that reaches places a manual brush simply can’t.
- Strong yet gentle vibrations make it comfortable on gums while effectively removing plaque.
- Long-lasting battery life with quick charging keeps it ready for regular use.
- Ergonomic, sleek design that’s both modern and easy to hold during brushing.
- Four brush heads included, which are easy to replace and help customize your oral care.
- Features multiple brushing modes, including sensitive and whitening, for a tailored experience.
- Interactive app offers detailed feedback, tracks brushing habits, and motivates with rewards.
- Magnetic charging mount and convenient travel case make charging on-the-go hassle-free.
- Users report noticeable improvements in oral hygiene and fresher mouthfeel after use.

## Cons
- Battery life is inconsistent; some users found it significantly shorter than expected and worse than previous Oral-B models.
- Display malfunctions reported, including it stopping working after about six weeks of use.
- Replacement units (under warranty) sometimes differ in color, which may disappoint users wanting the original color.
- Lacks Apple Watch compatibility, requiring users to rely on their phone to access brushing data.
- Toothpaste buildup on the brush head if not cleaned properly after each use.
- Despite durable build, battery drain can be quicker than anticipated during regular 2–3 minute sessions.

## Specifications

| Attribute | Value |
|-----------|-------|
| model | iO Series 9 |
| mpn | N/A |
| barcode | N/A |
| sku | N/A |
| dimensionsUnit | cm |
| weight | N/A |
| color | Aqua Alabaster |
| material | N/A |
| brand | Oral-B |
| manufacturer | Oral-B |
| recommendation | Highly recommended for maintaining oral health with insightful data tracking. |

## Last Seen Prices

| Retailer | Price | Availability | Last seen |
|----------|-------|-------------|-----------|
| [Amazon](https://shopsavvy.com/api/redirect/products/tBKBsb47VqPz4Er2tLdv/offers/e41d5158-6220-4429-9d60-75164e310c9f?source=shopsavvy&medium=product-page) | $246.99  | In Stock | 2023-12-15 (may have changed) |
| [Truegether](https://shopsavvy.com/api/redirect/products/tBKBsb47VqPz4Er2tLdv/offers/M6M9ZFMSJq6moCIqbNAn?source=shopsavvy&medium=product-page) | $284.98  | In Stock | 2023-09-08 (may have changed) |
| [Walmart](https://shopsavvy.com/api/redirect/products/tBKBsb47VqPz4Er2tLdv/offers/K4dO6kmeyMF0SyJMjFpb?source=shopsavvy&medium=product-page) | $419.99  | In Stock | 2023-08-05 (may have changed) |

[See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/oral-b-io-series-9-toothbrush-2)

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