TopoNode

Native Android GNSS Surveying & COGO Engine.

v1.0.0 Offline First GNSS Bluetooth Mapbox v10
Play Store - Coming Soon Explore Features
The App

Local Precision for
GIS Field Workers

TopoNode is a high-performance offline-first native Android surveying application built specifically for geodetic and land surveying engineers.

Engineered with a double-precision COGO mathematical calculation engine, Mapbox SDK offline caches, and raw NMEA data stream parsing from external GNSS Bluetooth receivers. Clean Architecture, Room SQLite with UUID schemas, and zero external cloud dependencies ensure complete privacy in remote areas.

Technical Features

Built for the Field

Offline Mapbox Caching

COGO Precision Engine

GNSS Bluetooth Interface