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
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
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Accurate conversion between all formats with decimal precision and correct datum transformation for Swedish systems.
- Offline-First
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Works offline after initial app launch. All conversions happen locally on your device.
- Privacy Focus
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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
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9 Coordinate Formats
- DD, DDM, DMS, UTM, MGRS, Plus Code, SWEREF99, RT90 and VOR navigation
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GPS Integration
- Real-time positioning with iOS Location Services and automatic conversion
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Swedish Coordinate Systems
- Full support for SWEREF99 and RT90 with correct datum transformation
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Quick Copy
- Copy individual coordinates or all formats at once with a single tap
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Interactive Map
- Map view with pin placement, zoom and distance calculations
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Validation & Precision
- Real-time input validation with high decimal precision
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VOR/NDB Navigation
- Global database of VOR and NDB stations, distance and bearing calculations, visual routing lines on map
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Plus Code with Google's Algorithm
- Implemented with Google's official algorithm for 11-character precision
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Helmert Transformation
- 7-parameter transformation between coordinate systems with ellipsoid parameters (GRS80, Bessel 1841)
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Customization & Themes
- Light/Dark mode with system preference detection and persistent user settings
See It In Action
Discover CoordTool's intuitive interface
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
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
Frequently Asked Questions
Quick answers about coordinate conversion and transformation
How can I convert coordinates on iPhone?
With CoordTool, you can convert coordinates on iPhone between DD, DDM, DMS, UTM, MGRS, SWEREF99, RT90 and Plus Code.
Can I transform coordinates between SWEREF99 and RT90?
Yes. CoordTool supports accurate datum transformation between SWEREF99 and RT90.
Does coordinate conversion work offline?
Yes. The app works offline after first launch and all coordinate processing happens locally on your device.
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.