topoXpress provides the following features:

• Multiplatform design: the same software with the same rich functionality for both GIS data collectors and Surveyors on iOS & macOS.
• Handling and displaying large spatial datasets (raster and vector).
• Responsive and intuitive user interface: easy to learn and use, automatic adjustment to different screen sizes, orientations and resolutions of mobile (iPhone, iPad) and desktop devices.
• Online and offline operation: online data sources (Cloud storage, TMS, WMS, KML), offline raster datasets (jpeg, ecw, ers, tiff, png, lan, bil, ENVI bsq), offline vector datasets (shp, dxf, map, GeoJSON, mif, txt, crd, dat, dbf, tab, mid).
• Powerful GIS visualization functions: thematic mapping, transparency, labeling, query, layer groups, vector symbols, line types, fill types, event mapping.
• Productive data collection: templates, surveying, stakeout, CoGo (Coordinate Geometry), forms, lists, calculated fields, GIS editing functions, sampling tool and more.
• Collaborative mapping for professional users through the topoXpress cloud service.
• Extensive support of GNSS receivers through TCP port & Bluetooth, projection systems, geoids, shift grids.

The app can be used in many different sectors:
• Field data collection and inspection
• Land Surveying
• Topographic mapping
• Forestry
• Farm mapping
• Utility mapping and inspection
• Archeology

*** NOTE: topoXpress offers all specified GIS functions free of charge. However, loading more than 10.000 records, saving and exporting your job can be done through our cloud service. Please visit our website for further details:

**NOTE ON BATTERY USAGE: The app may dramatically decrease battery life during the use with large spatial datasets. The app supports optional background location services , which can may cause faster batter drain than usual.

What’s New

Version 1.2.5

NEW# Azimuth as new default/calculated value. Azimuth degree calculation based on a line object's starting and endpoint.
CHG# Path and filename of linked media file (photo, or audio) can be specified under Settings / Attribute / Media menu.
BUG# Layer/Attributes/Field panel - Multi selection (in code list of a string type field) switch was missed.


TopoLynx Informatikai Korlatolt Felelossegu Tarsasag
24.9 MB

Requires iOS 12.4 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
This app may use your location even when it isn't open, which can decrease battery life.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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