Sonicare 4100 (Sonic, 1 mode, pressure sensor) review 2026

A pressure sensor, a two-minute pacer and Sonicare's gentle sonic action for $50 — the brush our sensitive-gum testers kept

PriceFrom $50 · checked Sep 11, 2026

Plaque removed82 %

Battery14 days

Ranked#1 in Best Electric Toothbrushes Under $50

Is the Sonicare 4100 Worth It?

Best for sensitive gums. The 4100 does the important things — effective, gentle, warns you about pressure — for $50. It is the best value in the ranking.

Sonicare 4100 Pros & Cons

Pros

Gentlest brush in the test; 82% plaque removal
Pressure sensor and QuadPacer at $50
Two weeks per charge; USB charger
Quiet

Cons

One mode
No travel case
Sonicare heads cost about $7 each in packs

Sonicare 4100 at a Glance

8.3 Editor Score

Cleaning performancePlaque reduction measured with disclosing tablets across six testers, and along the gumline specifically.

30/35

Comfort & pressure controlNoise, vibration in the hand, pressure sensor behaviour, gentleness on gums.

19/20

Battery & buildDays per charge at two minutes twice a day, charger type, water resistance, travel case.

13/15

Replacement head costPrice per head at the recommended three-month change, and availability of third-party heads.

13/15

Modes & appBrushing modes, timers and pacers, and whether the app coaching changed our testers' coverage.

8/15

Reader ratingNo reader ratings yet — not part of the score

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Own one? Rate it:

Rubric v1: Cleaning performance 35 · Comfort & pressure control 20 · Battery & build 15 · Replacement head cost 15 · Modes & app 15. Score = Σ ÷ 10, locked Sep 11, 2026. How we rank.

Where to buy — prices checked Sep 11, 2026

Amazon

Amazon — $50

Best priceSee Price

Sonicare 4100 specifications

TechnologySonic

Modes1 (two intensities)

Pressure sensorYes (vibration change)

Battery (our test)14 days

Head cost (each)7 USD

AppNo

ADA SealYes

Plaque reduction (our test)82 %

Why it scored 8.3

The 4100 does the important things — effective, gentle, warns you about pressure — for $50. It is the best value in the ranking.

Where it loses

Modes and extras.

Still the right pick for

Sensitive gums and anyone on a budget.

Changelog: Sep 11 — rank 2 → 3; Sep 11 — rank 3 → 4; Sep 11 — rank 4 → 5 · all changes

Sonicare 41008.3 · $50

See Price