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Oral-B iO Series 6

The iO6 hits the sweet spot in the premium iO lineup — more modes and features than the iO3 without the steep price of the iO9 or iO10. Reddit and CNET both flag the iO4-6 range as the best value within the iO series.

$100-$130
Pros
  • Five brush modes including whitening, intense, and sensitive
  • Magnetic drive system for quieter, smoother brushing
  • Smart pressure sensor with color-coded LED ring
  • User-replaceable lithium-ion battery
  • Compatible with full range of iO brush heads
Cons
  • Significantly pricier than the Pro 1000 for incremental cleaning improvement
  • Short 10-12 day battery life
  • iO replacement heads cost more than standard Oral-B heads
  • App features feel gimmicky to many users
Why we recommend it

If you want the full iO experience with five brush modes and a color display without paying flagship prices, the iO6 is where to land. It's the iO series at its most sensible.

Reddit user

Oral B IO 3-6 are best value and any Oral B IO series has a user replaceable LI-ION battery.