Professional Coordinate Conversion for iOS

CoordTool is the ultimate coordinate conversion app for aviation and geolocation. Seamlessly convert between 9 different coordinate formats including SWEREF99, RT90, UTM, MGRS, Plus Code and VOR navigation.

Try all features free for 7 days - no login required

CoordTool App Screenshot

Why CoordTool?

CoordTool is designed for professionals in aviation, geolocation and mapping who need fast and accurate conversion between different coordinate systems. With support for both international and Swedish systems plus unique VOR navigation, CoordTool is the complete tool for coordinate management.

Precision

Accurate conversion between all formats with decimal precision and correct datum transformation for Swedish systems.

Offline-First

Works offline after initial app launch. All conversions happen locally on your device.

Privacy Focus

All data stays on your device. No collection or sharing of your coordinates.

Powerful Features

All features included in 7-day trial - no login required

9 Coordinate Formats
DD, DDM, DMS, UTM, MGRS, Plus Code, SWEREF99, RT90 and VOR navigation
GPS Integration
Real-time positioning with iOS Location Services and automatic conversion
Swedish Coordinate Systems
Full support for SWEREF99 and RT90 with correct datum transformation
Quick Copy
Copy individual coordinates or all formats at once with a single tap
Interactive Map
Map view with pin placement, zoom and distance calculations
Validation & Precision
Real-time input validation with high decimal precision
VOR/NDB Navigation
Global database of VOR and NDB stations, distance and bearing calculations, visual routing lines on map
Plus Code with Google's Algorithm
Implemented with Google's official algorithm for 11-character precision
Helmert Transformation
7-parameter transformation between coordinate systems with ellipsoid parameters (GRS80, Bessel 1841)
Customization & Themes
Light/Dark mode with system preference detection and persistent user settings

See It In Action

Discover CoordTool's intuitive interface

CoordTool Screenshot 1
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Simple Pricing

Start free, upgrade when you need more

Trial Period

Test all features without limitations

7 days

Completely free - no login required

  • All 9 coordinate formats
  • VOR/NDB navigation
  • GPS & interactive map
  • SWEREF99 & RT90
  • No limitations
  • No login required
Start free trial

PRO

Unlock full access after trial period

$3.99

One-time purchase - lifetime access

  • All features forever
  • 9 coordinate formats
  • VOR/NDB navigation
  • SWEREF99 & RT90
  • All future updates
  • No subscription
Buy PRO

Your Privacy First

CoordTool respects your privacy. All coordinate processing happens locally on your device. We don't collect, store, or share your coordinates or location data. The app works offline after initial launch, ensuring your data always remains private.

Ready to get started?

Download CoordTool today and experience professional coordinate conversion on iOS.