The shit. Dumb.

Back to the sheet Body Care Toothbrush · B11
Oral-B iO Series 9
B11 · Hall of smart-shame Oh no, you didn’t?

Oral-B iO Series 9

By Oral-B.

$250
Amazon US, October 2026. Prices change.

Pressure sensors, position tracking, artificial intelligence and an app that grades every session. Your dentist only wanted two minutes twice a day.

Local
Bluetooth, RF or NFC. An attacker has to be nearby.

Buy the dumb one instead

We do not link to the smart one. You can find it.

Survival checklist

What it survives, next to the dumb one.
1
=SURVIVES(threat)Survives…
ThisOral-B iO Series 9
The dumb oneDumb oneCuraprox CS 5460
2
Power cut
FALSE
TRUE
3
Wi-Fi goes down
TRUE
TRUE
4
The company switches off its servers
#DEPENDS
TRUE
5
Someone tries to hack it
#DEPENDS
TRUE
6
A firmware update goes wrong
FALSE
TRUE
7
Twenty years from now
#DEPENDS
TRUE
8
=COUNTIF(TRUE)Total
1 of 61/6and three maybes
6 of 66/6

The dumb one is the Curaprox CS 5460.

Row 11

See it in the sheetIn the sheet
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Scores your brushing. Shares the score.

Oral-B iO Series 9

$250
Local Brushing, now with a score.