ตรวจสอบระดับพื้นผิวได้อย่างรวดเร็ว
Level App is a simple, easy to use level. Don't let the contractor leave your house before you check all surfaces. You can use any side. That simple.
Level App is ready to use.
*Calibration*
Only recommended if your phone has a case or the phone is obliviously warped.