Gemma GPS2.1
Publisher Description
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/
Version History Routine bug fixes and reliability improvements. 2.1 Aug 6 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. 2.0 Jun 13 Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
About Gemma GPS
The company that develops Gemma GPS is Patrick Tudor. The latest version released by its developer is 2.1.
To install Gemma GPS on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 8 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Gemma GPS as malware if the download link is broken.
How to install Gemma GPS on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Gemma GPS is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Gemma GPS is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.1
posted on 2026-10-13
Version History Routine bug fixes and reliability improvements. 2.1 Aug 6 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. 2.0 Jun 13 Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
version 2.1
posted on 2026-09-04
Version History Routine bug fixes and reliability improvements. 2.1 Aug 6 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. 2.0 Jun 13 Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
version 2.1
posted on 2026-08-22
Version History Routine bug fixes and reliability improvements. 2.1 Aug 6 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. 2.0 Jun 13 Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 This update from Apple will improve the functionality of this app. No new features are included.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
version 2.0
posted on 2026-07-27
Version History 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. 2.0 Jun 13 Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 This update from Apple will improve the functionality of this app. No new features are included.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
version 1.9
posted on 2026-06-06
Version History Gemma GPS 1.9 — Complete Rebuild
NEW:
• Modern SwiftUI interface
• Six coordinate formats including DDM and Maidenhead
• Route navigation with multi-waypoint support
• Folder organization with custom colors
• Full JSON backup and restore
• First-launch onboarding
• Night vision mode
• Emergency broadcast formats
IMPROVED:
• GeographicLib-powered coordinate conversions
• Smoother compass animation
• Enhanced dark mode
• 50-locale localization 1.9 May 27 This update from Apple will improve the functionality of this app. No new features are included.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com 1.8 05/25/2017 Built for iOS 9.3. Updated GeographicLib to 1.4.6.
Send an email if you have comments, support@gemmagps.com 1.7 08/09/2016 iOS 8 permission updates 1.6 07/30/2015 New option to get location from photographs. 1.5 07/03/2014 Option for automatic night mode using the sunrise equation and improvements with address formatting.
Better error messages and internal updates. 1.4 06/12/2014 Significant VoiceOver enhancements.
Dynamic Type support in Settings.
Improvements to Night Vision mode. 1.3 11/25/2013 Localization: Português, Deutsch, Italiano, Español, русский, 中文
Dynamic Type support.
MGRS (Military Grid Reference System) and mils support.
UTM (Universal Transverse Mercator) support. 1.2 11/14/2013 New preferences for displaying records, location sharing support, and other optimizations. 1.1 11/09/2013 1.0 11/02/2013
version 1.8
posted on 2017-05-25
May 25, 2017 Version 1.8
This app has been updated by Apple to use the latest Apple signing certificate.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com
version 1.8
posted on 2017-05-25
25 May 2017 Version 1.8
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com
version 1.8
posted on 2017-05-25
May 25, 2017 Version 1.8
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com
version 1.8
posted on 2017-05-25
May 25, 2017 Version 1.8
This app has been updated by Apple to display the Apple Watch app icon.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com
version 1.8
posted on 2017-05-25
This app has been updated by Apple to display the Apple Watch app icon.
GPX Export has a button now in the About screen. Connect with iTunes to fetch the output. That's a feature for Cooper J.
Built for iOS 10.3. Updated GeographicLib to 1.4.8.
Send an email if you have comments, support@gemmagps.com



