FieldSpanMark the field.
Estimate the area.
GPS and map-based polygon area measurement with material estimates. No account required.
Maps & Navigation
Mark the field. Estimate the area.
GPS and map-based polygon area measurement with material estimates. Designed to stay focused, understandable, and under your control.
- Add field-boundary corners by tapping the map
- Record boundary points while walking with foreground GPS
- Calculate spherical area, a local projected-area check, and perimeter
- Estimate fence length, seed, and fertilizer from user-entered rates
- Save fields locally and share coordinates or GeoJSON exports
Planning estimate only. GPS and consumer maps can drift. FieldSpan is not a professional, cadastral, legal, construction, or safety survey.
Maps & NavigationFieldSpan
GPS and map-based polygon area measurement with material estimates.
Private by design20 languagesiOS & Android
Stored locally
- App language preference
- Draft and saved field names
- Boundary coordinates, optional GPS accuracy, and point timestamps
- Calculated area and perimeter measurements