Fall detection, explained without the sales page

What the feature actually is

Inside the pendant there is an accelerometer, which measures sudden changes in motion, and in most modern devices a barometer, which measures tiny changes in air pressure and therefore height. Software watches both.

When the pattern matches what the manufacturer has defined as a fall — a rapid downward movement, an impact, then stillness — the device places the call itself, without the button being pressed. Usually it gives a short warning first, a beep or a spoken prompt, with a window of a few seconds in which the wearer can cancel.

That is the whole mechanism. It is pattern matching, and pattern matching has two failure modes in both directions.

This matters because of how the feature is sold. "Automatic fall detection" reads as a safety net. It is better understood as a second way of raising the alarm, added to the button, not a replacement for it. Providers themselves state in their own terms that the feature may not detect every fall, and they state it because it is true.

Some links on this page are affiliate links and we may earn a commission if you buy through one. We do not test these devices and we do not publish detection rates, because nobody outside the manufacturers has the data to.

The two ways it gets it wrong

False positives. The device calls the monitoring centre when nothing has happened. Common causes: the pendant is dropped onto a hard floor, your parent sits down heavily, the pendant is knocked off a table, or a coat is pulled off quickly over the top of it. This is not a disaster — the operator speaks, your parent says they are fine, the call ends. But if it happens repeatedly, the device gets taken off, and a device in a drawer detects nothing at all.

Missed detections. The device does not call when something has happened. The pattern the software is looking for is a fall with impact. A slow slide down a wall or out of a chair to the floor may not produce it. Nor will a fall while the device is on its charger, or switched off, or worn in a way the manufacturer did not intend.

That last point deserves emphasis. Fall detection is calibrated for a specific wearing position, almost always around the neck at chest height. On a wrist, in a pocket or clipped to a belt, the sensor sees a different motion pattern. Several providers only offer the feature on the neck pendant for exactly this reason. Ask which wearing positions are supported.

What it costs and how it is sold

Fall detection is almost never included in the advertised monthly price. It is a separate monthly charge, and on some plans it requires a specific pendant that costs more or cannot be combined with the wristband.

When you price it, get four numbers:

- The monthly monitoring fee without fall detection
- The monthly fee with it
- Whether the pendant required for it costs more, one-off or monthly
- What both totals become after any promotional period ends

Also ask whether the feature can be added or removed later without changing the contract term, because circumstances change and you may want it on a device you already own.

One more thing worth confirming in writing: whether a fall-detection call is treated the same as a button press in the monitoring contract, and whether there is any limit or charge on the number of calls. There usually is not, but a household with frequent false positives should know that before the first month.

Prices in this category move. Whatever a comparison table on this page shows, confirm the current figure on the provider's own site on the day you order.

What to ask before you add it

Ten minutes on the phone with each shortlisted provider. Same questions, same order, so your notes compare.

- Is fall detection available on all your pendants, or only the neck pendant?
- Where must the device be worn for the feature to work as designed?
- How long is the cancel window after the device thinks it has detected a fall?
- What happens if nobody answers when the operator speaks? Walk me through the full sequence.
- Does the feature work while the device is charging?
- Is the pendant rated for use in the shower?
- What is the monthly charge on top of standard monitoring, now and after the promotion?
- Can it be added or removed mid-contract?
- If your marketing quotes a detection rate, what is that figure based on and can you send me the source?

That last question is the useful one. A provider who can point to something concrete is telling you more than one who cannot.

Whether a fall-detection device is appropriate for your parent, and how it fits with anything else they use, is a question for their doctor or the occupational therapist who has assessed them. Ask it directly at the next appointment.

What to do with the answers, and with the falls themselves

Two records are worth keeping, and neither takes long.

The first is the purchase record: which provider, which plan, what fall detection costs, the contract term, the cancellation notice, the account number and the login. Put it where a sibling can find it, not only on your phone.

The second is a dated log of what happened. If your parent falls, or nearly does, write down the date, the time, the room, what they were doing, what they were wearing on their feet, whether the device was on them, and whether it triggered. Observation only — what you saw and when, never what you think it means.

That log is the single most useful thing you can hand to a doctor or an occupational therapist, because it turns "she's been a bit unsteady" into a record with dates in it. It is also what tells you whether the fall-detection feature is earning its monthly fee.

If a fall does lead to a hospital visit, the folder you grab on the way out is a separate problem, and one worth solving in advance. Our Hospital Stay Go-Kit is the printable version: what to pack, the admission sheet, the daily log, the questions to ask, and the discharge checklist that stops the last day going wrong.

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