GPS Tool Ultra-Coordinates
Measure, Convert & Calculate
Only for iPhone
$1.99 · Designed for iPhone. Not verified for macOS.
iPhone
Measure distance & area, convert coordinates in 5 formats — UTM, MGRS, DMS and more — and pinpoint any spot. Pay once. No subscription. 100% on-device.
GPS Tool Ultra is an all-in-one GPS toolkit for anyone who works with coordinates — surveyors, engineers, hikers, geocachers, pilots, and outdoor professionals. Measure distance and area on an interactive map, convert coordinates across 5 professional formats, and run precise geodesic calculations — all in one app, with your data processed on your device.
ACCURATE GPS POSITIONING
• View your current coordinates in real time with latitude, longitude, and altitude
• Built-in barometer and magnetometer support: live atmospheric pressure (hPa) and magnetic field (µT) readings
• Search any address or place name, or jump straight to a coordinate pair
• Tap the map to drop markers and read exact positions
MEASURE ON THE MAP
• Distance: multi-point path measurement with live total length
• Area: polygon measurement with perimeter display at the same time
• Save, copy, and share any measurement result instantly
PROFESSIONAL CALCULATOR
• Distance between two or more points — choose Haversine for speed or Vincenty for highest geodesic precision
• Polygon area via spherical line integration
• Initial and final bearing (azimuth) between two points
• Geodesic midpoint between two coordinates
5-FORMAT COORDINATE CONVERTER
Convert instantly between:
• Decimal Degrees (DD)
• Degrees Minutes Seconds (DMS)
• Degrees Decimal Minutes (DMM)
• UTM (Universal Transverse Mercator)
• MGRS (Military Grid Reference System)
Plus built-in length units (m, km, mi, ft, nmi) and area units (m², ha, acre, km²) converters.
WORKS FOR YOU
• Favorites: save markers, measurements, and conversions into organized collections
• Copy any result to the clipboard or share via the system share sheet
• Adjustable precision (2–6 decimal places) and default units
• Dark Mode support, English and Chinese localization
• Unified WGS84 datum across the entire app
ONE-TIME PURCHASE — OWN IT FOREVER
• Pay once and get every tool: all 5 coordinate formats, all calculators, all measurements
• No subscriptions, no in-app purchases, no ads
• Full functionality from the first launch — nothing locked, nothing gated
PRIVACY FIRST — GDPR READY
• All location, sensor, and conversion data is processed locally on your device
• Export your data or withdraw consent anytime in Settings
• No account required
PERFECT FOR
• Surveyors and field engineers marking boundaries and measuring land
• Hikers, hunters, and anglers recording waypoints and campsites
• Geocachers entering MGRS or DMS coordinates
• GIS professionals converting between UTM, DMS, and decimal formats
• Pilots and navigators computing bearings and midpoints
Download GPS Tool Ultra — pay once and carry a complete GPS workstation in your pocket.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 丽丽 许, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 丽丽 许
- Size
- 7.2 MB
- Category
- Navigation
- Compatibility
Requires iOS 18.4 or later.
- iPhone
Requires iOS 18.4 or later. - Mac
Requires macOS 15.4 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.4 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 lovelili
