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Best alternatives to the Oral-B iO Series 9
The Oral-B iO Series 5 is the strongest alternative.
The verdict in 10 seconds
Strongest all-rounder
Oral-B iO Series 5Gentle, quiet, excellent cleaner, held back by pricey heads and slow chargingSuits you if
- You have sensitive gums and want a softer, gentler feel
- You tend to brush too hard and want a warning light
Most dependable
Oral-B Pro 1000A simple, affordable brush that cleans like pricier modelsSuits you if
- You're switching from a manual brush and want something simple
- You want a good clean without paying for apps or extras
Easiest to live with
Philips Sonicare ProtectiveClean 4100A simple, affordable sonic brush that cleans impressively wellSuits you if
- You're new to electric toothbrushes and want something simple to start with
- You have sensitive gums and want a brush that eases you in gently
The short version
If the Oral-B iO Series 9 isn't quite right, start with the Oral-B iO Series 5: it suits you if you have sensitive gums and want a softer, gentler feel. The Oral-B iO Series 9 is still a great fit if you care about cleaning performance above everything else.
We researched 36 expert reviews, analyzed 274,961 owner ratings and comments across 17 sources for 8 electric toothbrushes, and cross-checked them into one verdict, so you don't have to.
Quick answers
What is the best alternative to the Oral-B iO Series 9?
The Oral-B iO Series 5. It suits you if you have sensitive gums and want a softer, gentler feel.
Based on: Product Review score 81 vs 70 for the Oral-B iO Series 9, across 7 alternatives.Is there a more reliable alternative to the Oral-B iO Series 9?
Yes, the Oral-B Pro 1000. It's less likely to give you trouble.
Based on: Reliability 84 for the Oral-B Pro 1000 vs 32.What is the best alternative to the Oral-B iO Series 9 from another brand?
The Philips Sonicare ProtectiveClean 4100. It suits you if you're new to electric toothbrushes and want something simple to start with.
Based on: Highest-scoring model not made by Oral-B (81).Is there a cheaper alternative to the Oral-B iO Series 9?
Yes, the Oral-B iO Series 5. It usually costs less and suits you if you have sensitive gums and want a softer, gentler feel.
Based on: Typical prices: Oral-B iO Series 9 $200–$300; Oral-B iO Series 5 $96–$120.Every alternative, ranked
How each one compares with the Oral-B iO Series 9- 01
EXPOWNREL81Oral-B iO Series 5
Gentle, quiet, excellent cleaner, held back by pricey heads and slow charging
- 02EXPOWNREL81
Philips Sonicare ProtectiveClean 4100
A simple, affordable sonic brush that cleans impressively well
Higher score (+11)More reliableHappier ownersExperts rate it higherOral-B iO Series 9 vs Philips Sonicare ProtectiveClean 4100 → - 03
EXPOWNREL78Oral-B Pro 1000
A simple, affordable brush that cleans like pricier models
- 04
EXPOWNREL74Oral-B Genius X
A thorough-cleaning smart brush that's loud and firm on gums
- 05
EXPOWNREL72Philips Sonicare 4100
A simple, gentle sonic brush that cleans superbly for little money
- 06
EXPOWNREL61Philips Sonicare DiamondClean 9000
Superb cleaner with a premium feel, but durability is a real worry
Different trade-offsOral-B iO Series 9 vs Philips Sonicare DiamondClean 9000 → - 07
EXPOWNREL54Quip Sonic
Sleek, simple travel brush, but durability is a real worry
Different trade-offsOral-B iO Series 9 vs Quip Sonic →