⚫ NOTE:
Do not install if your device does not support built in barometer sensor.

This tool is accurate when measuring higher objects: houses, buildings, and towers…
It works only if you have a built-in barometer sensor in your smart phone.

※ Advantages:
It replaces the old traditional measuring tapes and even the new laser meters.
It can measure any height (above 3 meters).
It works offline, indoor, and outdoor.
It doesn't uses GPS signals or Mobile data.