Excel in the field
- ✗Formula errors corrupt the entire sheet
- ✗Phone screen is impossible to work with
- ✗No automatic MISCLOSE quality check
- ✗Manual email attachments and file management
- ✗Gloves, sunlight, and spreadsheets don’t mix
Built for the field
Every feature designed around the demands of real survey work.
Real-Time Calculations
Rise & Fall and Datum Level recalculate with every keystroke. No delays.
Fully Offline
No internet. No login. No cloud. All survey data lives on your device.
Live MISCLOSE Check
A quality indicator pinned to the screen at all times, using the 2√n threshold formula.
Three Export Formats
PDF reports. CSV spreadsheets. JSON for integration. Export and share with one tap.
Portrait & Landscape
Card view in portrait. Full spreadsheet table in landscape. Both fully optimised.
Auto-Save. Always.
Every reading is saved the instant you enter it. No save button. No lost work. Ever.
Four steps from site to report
Fill in site name, date, benchmark, and personnel. Editable at any point during the survey.
Enter the starting Datum Level on Row 1. This seeds all subsequent auto-calculations.
Add Backsight, Intermediate, or Foresight values row by row. Rise & Fall and Datum Level update live.
Finish the survey. Export as PDF, CSV, or JSON. Share via email, AirDrop, or any app.
Simple pricing.
7-day free trial. Cancel anytime.
Subscription auto-renews. Cancel anytime from App Store or Google Play settings. Prices in USD.
Ready to ditch the spreadsheet?
Download Hydrographic Survey and start your 7-day free trial today.