Collect data your way
Capture points, lines, and polygons with GPS or manual placement. Multi-part geometries, position averaging, and real-time GPS tracking - all stored in OGC GeoPackage.
Built for the field
Offline maps, custom attribute forms, and GPS tracking designed for fieldwork. Streamlined workflows that stay out of your way so you can focus on the job.
Professional-grade mapping
Powered by Mapbox for fast, smooth rendering. Connect WMS, WFS, and WMTS services. Load XYZ tiles and MBTiles offline. Handles large datasets without compromise.
Everything you need in the field
30+ capabilities across data collection, export, mapping services, precision GNSS, and styling - all offline-capable.
What users say
This is an absolutely fabulous app for GIS data collection on a budget. I've been working with GPS for over 2 decades. It's clear that the development of this one has come from the perspective of an actual user and not a marketing department.
Used by researchers worldwide
From fit-for-purpose land administration and cadastre to environmental and public-health field surveys — in peer-reviewed studies across six continents.
Explore the research →