Draw on the maps, collect field data in GeoJSON, use GPS & offline MBTiles maps.

See your GPS position on your own maps. Draw points, polygons and lines on the maps. Collect field data and notes related to a location, attach a photo and fill custom properties.

Display offline maps generated with MapTiler (https://www.maptiler.com).

Choose from various basemaps like street and satellite. Preview on a mobile device the map you previously designed with own colors and fonts in MapTiler Cloud.

The app supports GeoJSON and MBTiles formats and data synchronization between multiple devices and desktop computer using cloud. I it easy to share the data with other people and collaborate! Perfect for mobile data collection for GIS and surveys.

Import scanned hiking maps, PDF maps, drone aerial imagery, nautical charts for sailing and navigation with a boat or a yacht, fishing maps, aeronautical charts for flight planning by pilots, parcels and city plans and other opendata from local government. OpenStreetMap vector maps are powered by OpenMapTiles project (the successor of OSM2VectorTiles). Maps can come from existing tile servers with OGC WMTS, TileJSON or XYZ tiles from.

Supported geodata formats by MapTiler: GeoTIFF, TIFF, JPEG, ECW, SID / MrSID, NOAA KAP / BSB, DEM, OziExplorer OZI OZF2 & OZFX3, WebP, JP2, JPEG2000, GeoJP2, Erdas, Grass, Safe, Sentinel2, SRTM, NASA imagery, USGS map sheets, exports from ESRI ArcGIS, ArcSDE, etc.

The GeoJSON can be converted from / to: ESRI ShapeFile (SHP), DXF, DWG, GPX, CSV and KML.