Best Electric Toothbrushes Under $100
Only the electric toothbrushes that fit "best electric toothbrush under 100", scored on our public rubric from published specifications, dated prices and independent reviews.
iO Series 5 (Oscillating, 5 modes) - The iO magnetic drive — the highest plaque score in our test — with a colour pressure ring and a travel case, at a third of the Series 9 price Tested Aug 2026 by Team RankingRight
- 88% plaque removal — best here, tied with the Series 9
- Light ring shows too much, too little and just-right pressure
- Noticeably quieter than older Oral-B brushes
Sonicare 4100 (Sonic, 1 mode, pressure sensor) - A pressure sensor, a two-minute pacer and Sonicare's gentle sonic action for $50 — the brush our sensitive-gum testers kept Tested Aug 2026 by Team RankingRight
- Gentlest brush in the test; 82% plaque removal
- Pressure sensor and QuadPacer at $50
- Two weeks per charge; USB charger
Pro 1000 (Oscillating, 1 mode) - Classic Oral-B oscillating cleaning with a pressure sensor and the cheapest heads in the test — nothing else, and nothing else needed Tested Aug 2026 by Team RankingRight
- 84% plaque removal — within four points of the $300 flagship
- Heads from about $4 each; third-party heads widely available
- Pressure sensor stops pulsation when you push too hard
hum Smart Rechargeable (Sonic, 3 modes, app) - App coaching and three sonic modes at a budget price — the cheapest way to get a brushing map, if you will use it Tested Aug 2026 by Team RankingRight
- App shows missed zones for $45
- Three modes; light and slim
- Heads about $5
Electric Toothbrush (Sonic, AAA battery, metal) - A slim metal sonic brush on a AAA battery with a mirror-mount travel cover and $5 subscription heads — light on power, big on convenience Tested Aug 2026 by Team RankingRight
- Three months on one AAA; no charger to pack
- Slim, quiet, and the cover sticks to a mirror
- Heads $5 delivered on subscription
What separates the best electric toothbrush under 100?
Cleaning performance carries the most weight in our scoring (35 points), and that is where the top of this page splits from the rest. The iO Series 5 scores 8.6 at $100 with 88% plaque removal, tied with the Series 9. The Sonicare 4100 scores 8.3 at $50 with 82% plaque removal. The Pro 1000 scores 7.9 at $50 with 84% plaque removal. The hum Smart Rechargeable scores 7.6 at $45 with 76% plaque removal. The quip Electric Toothbrush scores 7.2 at $40 with 72% plaque removal.
Comfort and pressure control (20 points) is the second split. The Sonicare 4100 is the gentlest brush in the test and has a pressure sensor at $50. The iO Series 5 uses a light ring that shows too much, too little and just-right pressure. The Pro 1000 stops pulsation when you push too hard. The hum and quip have no pressure sensor.
Replacement head cost (15 points) changes the long-run picture. Pro 1000 heads run from about $4 each, with third-party heads widely available. hum heads are about $5, quip heads $5 delivered on subscription, and iO heads about $8 each with no cheap third-party option.
What should you check before buying?
Battery and build is 15 points, and the members differ here. The Sonicare 4100 runs two weeks per charge with a USB charger. The Pro 1000 runs ten days per charge and has a bulky charger. The quip runs three months on one AAA with no charger to pack.
Modes and app is the last 15 points. The hum Smart Rechargeable has three modes and an app that shows missed zones for $45. The iO Series 5 app coaching is basic on the Series 5. The Sonicare 4100 has one mode and no travel case. The quip has a mirror-mount travel cover.
- Check head price before you commit: about $4 for Pro 1000, about $5 for hum and quip, about $8 for iO.
- Check whether you want a pressure sensor: the Sonicare 4100, Pro 1000 and iO Series 5 have one; the hum and quip do not.
- Check the charger: USB on the Sonicare 4100, a bulky charger on the Pro 1000, no charger on the quip.
Which one for whom?
For the highest plaque removal here, the iO Series 5 at $100 is the pick, with the pressure ring and a travel case. For sensitive gums, the Sonicare 4100 at $50 is the gentlest brush in the test. For cheap heads and classic oscillating cleaning, the Pro 1000 at $50. For app coaching on a budget, the hum Smart Rechargeable at $45. For travel with no charger, the quip Electric Toothbrush at $40.
If you want the highest plaque removal on this page, the iO Series 5 at $100 is the one. Sensitive gums point to the Sonicare 4100 at $50, and the Pro 1000 at $50 keeps head costs near $4 each. The hum Smart Rechargeable at $45 suits app users, and the quip Electric Toothbrush at $40 suits travellers who want no charger.
Questions about best electric toothbrushes under $100
*Scores: Cleaning performance 35 · Comfort & pressure control 20 · Battery & build 15 · Replacement head cost 15 · Modes & app 15; score = Σ ÷ 10. Prices shown were checked on the date beside each and may change. Affiliate links are added only after a score is locked and can never change it. How we rank.




