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
Calibrate atomic force microscope cantilevers using the . Input resonant frequency and quality factor measurements. Calculate spring constant and display results. Export data for analysis.
Provides chromatic pitch detection with cent accuracy. Displays real-time decibel levels using color-coded indicators. Features a large, legible digital-7 font for clear reading. Allows users to adjust tuning settings and monitor input levels.
