Donum: GPS Area Measure
Android app by Hugo Software. Tools · Hugo Software
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Listed by the store
- Version
- 1.0
- Listing last refreshed
- 2026-09-18
View the original store listing
Store description excerpt
Donum measures a field the way you actually stand in it. Open the map, tap the corners of your land, and the area appears at once — with the perimeter and the length of every edge. Or switch to Walk mode, put the phone in your pocket and walk the boundary; Donum records the track and closes the shape for you. FOUR WAYS TO MEASURE • Area — tap the corners on the map and read the area instantly • Distance — draw a line and get its length • Point — mark and save a single location • Walk — walk the boundary and let the phone draw it (PRO) BUILT FOR REAL LAND • Area is computed on the sphere, not on a flat sheet. On a large plot the flat formula is off by thousands of square metres — Donum does not take that shortcut. • If your outline crosses itself, Donum tells you instead of quietly printing a wrong number. • Every edge is labelled with its length, and corners are numbered. • Drag a corner to fix it, tap a midpoint to insert one, long-press to delete. • Walk mode has a minimum step and an accuracy threshold, so bad GPS fixes are dropped instead of bending your boundary. UNITS THAT FIT YOUR COUNTRY Square metre, hectare, dönüm (1000 m²), square kilometre, acre, square foot, square yard, square mile. Lengths in metres, kilometres, feet, yards or miles. Coordinates in decimal degrees or degrees/minutes. SAVE AND EXPORT Name a plot, give it a colour and a note, and it stays in your list with its area and date. Export as GeoJSON, KML for Google Earth, GPX, CSV for a spreadsheet, or a PDF report that includes a map of the plot — ready to print or send. MADE TO BE READ OUTDOORS A light theme for direct sun and a dark theme for early mornings. Three map layers: standard, topographic and a high-contrast one. The map is the screen itself — the readout sits in a sheet you can pull up or push down. WORKS WITHOUT SIGNAL Measuring and every calculation run on the device. Only the map tiles need a connection; the maths does not. NO ACCOUNT, NO ADS, NO TRACKING There is no sign-up, no login and no cloud. We run no server, so your plots, coordinates and location never reach us — they stay on your phone. There are no adverts and no analytics. DONUM PRO Area, Distance and Point modes are free, along with 5 saved plots, CSV export and copying coordinates. PRO unlocks Walk measuring, unlimited saved plots, KML/GeoJSON/GPX export, the PDF report, the topographic and high-contrast maps, and plot colours and notes. PRO starts with a 3-day free trial and then renews weekly at the price shown on the purchase screen. Cancel any time in the Play Store; cancelling during the trial costs nothing. HONEST ABOUT ACCURACY Donum uses your phone's GPS. It typically drifts 3–10 metres, which is a few metres on a plot edge, and the app shows you that live accuracy figure rather than hiding it. This is NOT an official cadastral survey and cannot be used for title deeds, boundary disputes or legal work. For a legally binding measurement, use a licensed surveyor. Map data © Op
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