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Oral-B Pro 1000 Rechargeable Electric Toothbrush vs Oral-B iO Series 9 Rechargeable Electric Toothbrush

Which one has the downsides you can live with?

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The short answer

Oral-B Pro 1000 Rechargeable Electric Toothbrush ranks higher (#1 vs #4 of 8) and scores better on replacement head cost. Oral-B iO Series 9 Rechargeable Electric Toothbrush wins on gentleness, battery, ease of use, durability.

The biggest complaint about the Oral-B Pro 1000 Rechargeable Electric Toothbrush is stops holding a charge or dies early; for the Oral-B iO Series 9 Rechargeable Electric Toothbrush it's very expensive. Pick the one whose catch bothers you less.

Side by side

Oral-B Pro 1000 Rechargeable Electric ToothbrushOral-B iO Series 9 Rechargeable Electric Toothbrush
Rank in electric toothbrushes#1#4
Price tier$$$$$
TypeOscillatingOscillating
Amazon 1–2★ share6%6%
Overall score3.73.8
Cleaning feel4.54.5
Gentleness3.04.5
Battery2.53.0
Replacement head cost5.02.5
Ease of use3.54.0
Durability3.54.0

Price tiers: $ under $50 · $$ $50–120 · $$$ over $120. Highlighted = clearly better (a score gap of 0.3 or more, or a 1–2★ share at least 3 points lower). Scores are explained, with sources, on each product's page.

Top complaints

Oral-B Pro 1000 Rechargeable Electric Toothbrush

  • Stops holding a charge or dies early

    Amazon's review summary says the battery gets mixed feedback, with some owners saying it stops holding a charge and several saying it stopped working within two weeks. Walmart's lowest-rated reviews describe units that stopped charging after about two months, chargers that didn't work, and a motor that slowed down after a month.

  • Loud

    Wirecutter calls Oral-B brushes like the Pro 1000 louder and more sonically grating than comparable Sonicare models. Electric Teeth measured 73 dB, versus 60 dB for the Sonicare 4100. Amazon's summary says customers find it somewhat loud.

  • Weak pressure alert, no auto shut-off, vague battery light

    Wirecutter's testers had to press harder than expected to trigger the pressure sensor. The brush also keeps running after two minutes until you switch it off, and the battery light only shows full or low. Electric Teeth found the pressure alert neither visible nor audible and easy to miss.

  • Button and slippery handle

    Amazon's summary says some customers struggle with the on/off button. Walmart low-star reviewers say the button is hard to use and the smooth plastic body gets slippery when wet.

Oral-B iO Series 9 Rechargeable Electric Toothbrush

  • Very expensive

    CNN Underscored calls the roughly $330 list price a tough sell even on discount. Electric Teeth puts the US suggested price at $299.99. Amazon's summary says value for money is mixed, with some owners finding it overpriced.

  • iO-only heads and a mold-prone gap

    Electric Teeth puts iO heads at about $8, roughly twice the price of standard Oral-B heads, and says mold can build up in the gap around the magnetic head mount. Wirecutter notes some customer reviewers clean that junction daily.

  • Tracking accuracy disputed

    Electric Teeth found position tracking inconsistent, sometimes logging the wrong zone, and worse for left-handed users. CNN Underscored, by contrast, found the app accurate every time it tested it. Amazon's summary calls tracking mixed.

  • About 12 days per charge

    Electric Teeth usually got about 12 days against a 14-day claim, though the charger refills it in about 3 hours. Amazon's summary says some owners report it doesn't hold a charge.

Who should pick which

Pick the Oral-B Pro 1000 Rechargeable Electric Toothbrush if

  • Lowest long-term cost among the big brands

  • People who prefer a round oscillating head

  • A simple one-button brush

Skip it if: Brush noise bothers you; You want a clear, visible pressure warning; You want two or more weeks per charge

Pick the Oral-B iO Series 9 Rechargeable Electric Toothbrush if

  • People who want app coaching and data

  • Building better brushing habits

  • Oral-B users who want the quieter iO motor

Skip it if: You won't use the app; You're on a budget; You're left-handed and want reliable position tracking

We don't list prices — they change daily. Paid links.

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