Pockets6794: I got this free with AppGratis and I was surprised at how useful is. It lets you see exactly what your phone's various sensors are... sensing.
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Sensor Sense is an Android app that welcomes you in the world of data by showing you the output of all available sensors on your Android device.
Download for free and start exploring the data around you.
Real time graphs
Quickly view changes in sensors.
Save them for later or export them to your computer.
Information about the specifications of each sensor.
A beautiful and intuitive interface.
For pressure, temperature and humidity. ᶧ
• Magnetic field (with compass)
• Battery temperature
• WiFi strength
• Mobile network strength
ᶧ Availability of sensors depends on your device.