Best Electric Toothbrushes · head-to-head

Oral-B iO Series 10 vs Colgate hum Smart Electric Toothbrush (Rechargeable)

A sourced, side-by-side comparison. Colgate hum Smart Electric Toothbrush (Rechargeable) is cheaper at $69.99. Every spec and price links to its source.

Which is better: the Oral-B iO Series 10 or Colgate hum Smart Electric Toothbrush (Rechargeable)?

On the specs we track, they're closely matched. The Colgate hum Smart Electric Toothbrush (Rechargeable) is the cheaper at $69.99.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Oral-B iO Series 10 Colgate hum Smart Electric Toothbrush (Rechargeable)
US price $399.99 $69.99
BrandOral-BColgate
Released20232020
Brush action oscillating-rotating (micro-vibrations) sonic
Cleaning modes 7 3
Battery days 14 10
Pressure sensor Yes No
Smart app Yes Yes
Smart timer Yes Yes
Travel case Yes Yes
Release year 2023 2020

Sources — Oral-B iO Series 10: oralb.com (verified 2026-06-15). Colgate hum Smart Electric Toothbrush (Rechargeable): prnewswire.com (verified 2026-06-15).

What's the difference between the Oral-B iO Series 10 and Colgate hum Smart Electric Toothbrush (Rechargeable)?

Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.

  • Brush action: Oral-B iO Series 10 oscillating-rotating (micro-vibrations) vs Colgate hum Smart Electric Toothbrush (Rechargeable) sonic
  • Cleaning modes: Oral-B iO Series 10 7 vs Colgate hum Smart Electric Toothbrush (Rechargeable) 3
  • Battery days: Oral-B iO Series 10 14 vs Colgate hum Smart Electric Toothbrush (Rechargeable) 10
  • Pressure sensor: Oral-B iO Series 10 true vs Colgate hum Smart Electric Toothbrush (Rechargeable) false

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Oral-B iO Series 10

Based on one whitelisted hands-on review (TechRadar), which calls the Oral-B iO Series 10 a super-premium oscillating brush delivering a dentist-level clean, with a smart-feedback charging dock, LED pressure ring and a quiet brushless magnetic motor, while flagging a very high up-front price and pricey replacement heads. (1 sourced review, 1 lab-tested.)

Praised: Dentist-level cleaning that leaves teeth feeling smooth and fresh; Smart feedback charging dock and LED pressure ring give useful real-time brushing guidance; Quiet brushless magnetic motor with fast three-hour charging.

Flagged: Very expensive up front; Ongoing replacement brush heads are pricey; Travel case could be larger.

Colgate hum Smart Electric Toothbrush (Rechargeable)

All three sources verified against live pages. Expect a likable app-guided experience but mediocre cleaning: Digital Trends and Engadget both found the guided-brushing app genuinely improves coverage (Engadget's self-test jumped from 49% to 98% coverage), and both liked the lightweight, well-designed body — but Digital Trends called cleaning merely superficial and Reviewed's plaque-reveal dye test left stain the Hum could not remove, with 'poor build quality' and 'short battery life' listed as cons. Rewards praise and affordability each trace to a single source. (3 sourced reviews, 2 lab-tested.)

Praised: Guided-brushing app meaningfully improves coverage and technique; Lightweight, comfortable, well-designed handle; Points-based rewards program is a clever incentive to brush more.

Flagged: Mediocre plaque removal — superficial cleaning, failed Reviewed's plaque dye test; Cheap-feeling components: flimsy power button, unlined travel case; No true in-mouth position sensing — can be fooled by fake brushing motions.

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