iENV is an App which connects UNI-T’s mini environmental series meters to a cell phone through Bluetooth. It is a free App which can be downloaded from App Store. iENV is able to display and record real-time temperature/humidity, noise level, wind speed, light intensity and rotate speed through UNI-T meters UT333BT, UT353BT, UT363BT, UT383BT, UT372D , UT325F and UT381A respectively.