Gemma GPS
Precision Navigation
Free · In‑App Purchases
Professional GPS precision with app simplicity. Six coordinate formats and offline navigation.
Precision GPS waypoint navigation for professionals.
Capture locations. Convert coordinates. Navigate back.
FEATURES:
• Save waypoints with geodetic precision
• Six coordinate formats: Decimal, DDM, DMS, UTM, MGRS, Maidenhead
• Compass navigation with bearing and distance
• Organize with folders and routes
• Import and export GPX files
• Full JSON backup and restore
• Night vision mode for dark adaptation
• No ads, no tracking
COORDINATE FORMATS:
• Decimal Degrees (37.7749°)
• Degrees Decimal Minutes (37° 46.497' N)
• Degrees-Minutes-Seconds (37°46'29.7"N)
• UTM (10S 551309 4177447)
• MGRS (10SEG 51309 77447)
• Maidenhead Grid (CM87ss)
Perfect for search and rescue, surveying, geocaching, amateur radio, aviation, marine navigation, and anyone who needs real coordinates.
Every feature is free. Optional support subscriptions help fund continued development.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Gemma GPS 2.0
This update makes navigation faster, smoother, and easier to use hands-free.
New:
• Use Siri to start navigation to a saved waypoint.
• Add a spoken Siri nickname to a waypoint.
• Hear waypoint coordinates read aloud in your selected format.
• Find Gemma GPS actions in App Shortcuts and Spotlight.
Improved:
• Smoother compass movement.
• Better behavior in Low Power Mode and high heat.
• More reliable Marine Mayday position formatting.
• Better Apple Watch coordinate precision.
• More localized system folder names.
The developer, Patrick Tudor, 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:
- Purchases
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Patrick Tudor
- Size
- 56.5 MB
- Category
- Navigation
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Apple Vision
Requires visionOS 2.0 or later. - Apple Watch
Requires watchOS 26.1 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
English and 74 more
- English, Afrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bulgarian, Burmese, Cambodian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, Galician, Georgian, German, Greek, Gujarati, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Kannada, Kazakh, Korean, Kyrgyz, Laotian, Latvian, Lithuanian, Macedonian, Malay, Malayalam, Maltese, Marathi, Mongolian, Nepali, Norwegian Bokmål, Oriya, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Simplified Chinese, Singhalese, Slovak, Slovenian, Spanish, Swahili, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese, Welsh, Zulu
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Gemma GPS Pro Support $199.99
- Gemma GPS Enterprise Support $499.99
- Copyright
- © 2013-2026 Patrick Tudor
