Yes, A-EFIS can use the pressure sensor if available.
From their website:
"Please note that in order for A-EFIS to work correctly, your device
must have a 3-axes gyroscope, a 3-axes accelerometer, a 3-axes
magnetometer and a GPS receiver. */Additionally, in order for A-EFIS to
provide correct altitude indication, your device needs to have a
pressure sensor as well. If barometric pressure sensor is not availabe,
GPS altitude measurements are used."
/*My old phone has no pressure sensor, hence uses GPS altitude.
//*/
/*George
//*/
/*
On 8/28/2017 2:32 PM, Tony King via KRnet wrote:
A number of phones these days also have a built in barometer which you'd
think would be a no-brainer for an altimeter, but I've not come across an
app that uses the inbuilt barometer in that way. Anybody seen one?
TK
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