Manual Theodolite App -

Modern apps like Theodolite (iOS) offer professional-grade capabilities:

: Measures the device's tilt (roll and pitch) to determine slope and vertical angles. Manual Theodolite App

The app functions as a multi-tool for field data collection, combining several instruments into a single interface: Manual Theodolite App

: Overlays geographical data, crosshairs, and measurement reticles directly onto the live camera feed. Manual Theodolite App