Using Mobile as inactivity sensor

Hi sorry if this is on the wrong thread but I'm new to this site.
Basically my daughter has a medical condition that causes her to collapse with no warning on a regular basis.
I'm wondering is there anything out there that would allow us to use her mobile phone (via accelerometers etc) to alert us if she had a collapse due to lack of movement/activity. To allow her a bit more freedom but give us warning, so a bit more safety?

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Re: inactivity sensor

Seems like an app you would have to write yourself or have written by a developer.

I think it's difficult for an app to see the difference between inactivity due to lying on the beach enjoying the sun and lying on the street after a collapse. So it should have some setting to activate it (normal situation) or deactivate it (planned inactivity).

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There are a bunch of FALL DETECTION apps.

Most are subscription based. Figure 20 bucks an month on average. Check the usual app stores.

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