Turns smartphone into a with 3 viewing options. Calibrate all 4 sides and display angle, slope, or roof pitch. Includes sound effects and orientation lock. Supports surveyor, carpenter, mason, torpedo, post, and line levels.
by Andrew Neal★ 4.76,484 ratingsUtilitiesFreeData updated 2026-09-14
Test performance with frequency analysis and decibel measurement. Clean speakers by removing trapped water. Generate pure tones for testing or tuning. Calibrate audio equipment for accurate sound output.
The app functions as an angle gauge for selecting sample trees during timber inventory using the point sampling method. It allows users to calibrate the gauge, change its appearance, and select from common Basal Area Factor values.
