This app works with Rand McNally’s Tire Pressure Monitoring System (TPMS). TPMS hardware allows the user to keeps track of pressure and temperature reported by four tire sensors, and receive alerts and notifications if the pressure and temperature goes out of the range set by the user.
I am one of the developers of this app, which is available here:
The hardware used with this app can be found here:
Tire Pressure Monitoring System
Smartphone screenshots:
Video demo: