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Theodolite
An iPhone field viewfinder combining GPS, compass and angle overlays with map tools.
Consider it for documenting observations with spatial context.
Geo-tagged images and CSV/KML exports preserve selected readings for later review.
Keep in mind: Phone sensors do not replace calibrated survey equipment; iPad users are directed to a separate HD edition.
Inside the app
Official product images
What you can do
- Record angle and location overlays
- Add map markers and polygons
- Export selected records as CSV or KML
Good for
- Users taking non-certified field observations.
Consider alternatives for
- Users needing authoritative boundary surveys or accuracy guarantees.
Limitations & considerations
- Captured minimum: iOS 15.6.
- Phone sensors do not replace calibrated survey equipment; iPad users are directed to a separate HD edition.
Privacy & permissions
Images contain location and author notes in visible overlays and metadata; optional team tracking can share live location.
Sources & review notes Updated Nov 11, 2026
Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.
- US App Store developer description
Complete description, download price and compatibility metadata captured 2026-11-02.
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