GPS Toolkit – GNSS
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Description
GPS Toolkit – GNSS turns your phone into a pro-grade GNSS instrument.
Whether you're hiking off-trail, sailing offshore, surveying a job site, or simply curious about the satellites overhead, GPS Toolkit gives you the data professionals need — without the bloat, ads, or accounts.
LIVE GNSS DATA —
Every visible satellite from every constellation: GPS, GLONASS, Galileo, BeiDou, QZSS
Sky plot with azimuth and elevation
Signal-to-noise bars per satellite
Real-time fix quality, HDOP, accuracy
PRECISE POSITION —
Five coordinate formats: Decimal Degrees, DMS, DDM, UTM, MGRS
Altitude (GNSS + barometer when available)
Speed, course, magnetic heading
Configurable units: metric, imperial, or nautical
MAPS & TRACKS —
OpenStreetMap with tile caching for limited connectivity
Record tracks with one tap, in foreground or background
Import and export GPX (industry standard, compatible with every GPS tool)
Waypoints with categories and custom labels
NAVIGATION —
Bearing and distance to any waypoint
Proximity alerts with configurable threshold and sound
True magnetic compass, GPS-independent
TOOLS THE PROS USE —
Geodesic calculator: Vincenty-precision distance, midpoint, projection
Background tracking continues with the screen off
Live Activities on the Lock Screen and Dynamic Island
Available in English, French, Spanish, German, Italian, Portuguese, Dutch, Japanese
PRIVACY FIRST —
Everything stays on your device
No account, no sign-up, no tracking
No ads, no in-app purchases
Built on open, audited geodesic libraries
Built by an outdoor user who got tired of bloated GPS apps. If you want the GNSS Swiss Army knife on your smartphone, this is it.
Note: GNSS accuracy depends on your device's hardware, sky visibility, and environment. Indoor use and dense urban canyons will degrade fix quality on any GPS app.