AR Theodolite: Angle & GPS
Azimuth, Pitch & UTM Survey
About
Transform your phone into an outdoor survey tool. Overlay azimuth, pitch, level, and GPS data directly onto your camera view. Measure angles between points, estimate distances, and record site data with stamped photos.
What's New in AR Theodolite
1.2.6
September 5, 2026
Slope-distance reduction on the HUD A-B card. Verify: HUD tab, mark A on the base and B on the top. Enter 50 in the distance field, tap SD. With A pitch about -10 deg and B about +20 deg, Horizontal distance reads ~49.2 m and Estimated height ~26.6 m. Switch to HD: height becomes ~27.0 m (the old behavior). Reset clears the number but keeps HD/SD.
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FAQ
Does AR Theodolite have ads?
Yes, AR Theodolite contains advertisements. As a free utility app, it utilizes ads to support its development and continued availability.
What devices does AR Theodolite support?
AR Theodolite is currently supported on iPhone devices. Future updates may expand compatibility to other platforms.
What is the age rating for AR Theodolite?
AR Theodolite has an age rating of 17+. This rating is typically assigned due to the nature of the utility and potential for complex data display.
How often is AR Theodolite updated?
The latest version, 1.2.1, was released on August 3, 2026. This indicates a recent update, suggesting the developer is actively maintaining the application.
Can AR Theodolite replace professional survey equipment?
No, AR Theodolite provides field estimates based on phone sensors and is not a substitute for professional survey equipment. Critical measurements should be confirmed with proper instruments.
What coordinate formats does AR Theodolite offer?
AR Theodolite supports latitude and longitude in decimal or DMS, as well as UTM and MGRS grids, which are used worldwide for precise location referencing.
How accurate are the measurements in AR Theodolite?
Measurements are estimates based on your phone's sensors. For optimal accuracy, it is recommended to calibrate the compass before use.
Can I save my survey data with AR Theodolite?
Yes, you can capture photos with heading, angle, and coordinates stamped on them for a clean record. You can also save station notes and reuse them later.