About Coordinate Master
Coordinate Master is one of the most powerful map coordinate converters available. It uses the PROJ4 library and a lookup file containing projection and datum parameters to allow conversion between more than 1700...
Coordinate Master is one of the most powerful map coordinate converters available. It uses the PROJ4 library and a lookup file containing projection and datum parameters to allow conversion between more than 1700 coordinate systems from around the world. Lat/lon, UTM, US coordinate systems (including US State Plane), Australian coordinate systems (including GDA2020), UK coordinate systems (including British National Grid) and many, many others are supported. Custom coordinate systems can be added and affine parameters are supported for adding local grid systems. The app can use manually entered coordinates, your current GPS location, or get the lat/lon coordinates from a photo.
Version History User interface improvements 4.4 11/18/2022 Fixed coordinate conversion bug. 4.3 06/07/2022 Added an option on the main page menu to rate and review the app. 4.2 06/03/2022 Bug fixes 4.1 05/01/2022 Added buttons to show coordinate locations on a map. Added the ability to add and edit user projections from within the app. 4.0 04/29/2022 Added support for affine parameters. 3.7 04/26/2022 Automatically create a user_projections.txt file in the app's folder. This file can be edited on a computer to add custom coordinate systems. 3.6 04/12/2022 When getting location from GPS, automatically convert to target coordinate system. 3.5 04/02/2022 Added a preferences page to allow setting precision. Added a new page to show the details of the selected coordinate system. 3.4 03/26/2022 Fixed bug with choosing coordinate systems on iOS 15. 3.3 09/27/2021 Improved appearance of launch screen. 3.1 02/09/2021 Updated user interface 3.0 02/07/2021 Improved layout and fixed a bug with the coordinate chooser spinners. 2.4 11/14/2020 Bug fixes 2.3 11/04/2020 Fixed layout issues with zone and DMS tools. 2.2 07/08/2020 Bug fixes 2.1 06/30/2020 Added UTM zone tool. 2.0 09/18/2019 Bug fixes and improvements. 1.9 06/13/2019 Added button to get lat/lon from photo. 1.8 06/12/2019 Minor changes to main page layout. 1.7 04/19/2019 Added German DHDN coordinate systems. 1.6 07/30/2017 When "British National Grid" is selected as the to or from coordinate system, show a grid ref button to display the OS grid ref. 1.5 06/12/2017 Added support for new Australian GDA 2020 datum. 1.4 04/20/2017 Better landscape mode layout. Bug fixes. 1.3 03/22/2017 Targeted iOS 9 (instead of iOS 10) so the app is available on more devices. Also made the coordinate chooser page scrollable. 1.2 01/25/2017
Previous Versions
Here you can find the changelog of Coordinate Master since it was posted on our website on 2017-01-16 13:54:25.
The latest version is 4.4 and it was updated on 2026-06-24 09:40:25. See below the changes in each version.
Coordinate Master version 4.4
Updated At: 2026-06-03
Changes: Version History User interface improvements 4.4 11/18/2022 Fixed coordinate conversion bug. 4.3 06/07/2022 Added an option on the main page menu to rate and review the app. 4.2 06/03/2022 Bug fixes 4.1 05/01/2022 Added buttons to show coordinate locations on a map. Added the ability to add and edit user projections from within the app. 4.0 04/29/2022 Added support for affine parameters. 3.7 04/26/2022 Automatically create a user_projections.txt file in the app's folder. This file can be edited on a computer to add custom coordinate systems. 3.6 04/12/2022 When getting location from GPS, automatically convert to target coordinate system. 3.5 04/02/2022 Added a preferences page to allow setting precision. Added a new page to show the details of the selected coordinate system. 3.4 03/26/2022 Fixed bug with choosing coordinate systems on iOS 15. 3.3 09/27/2021 Improved appearance of launch screen. 3.1 02/09/2021 Updated user interface 3.0 02/07/2021 Improved layout and fixed a bug with the coordinate chooser spinners. 2.4 11/14/2020 Bug fixes 2.3 11/04/2020 Fixed layout issues with zone and DMS tools. 2.2 07/08/2020 Bug fixes 2.1 06/30/2020 Added UTM zone tool. 2.0 09/18/2019 Bug fixes and improvements. 1.9 06/13/2019 Added button to get lat/lon from photo. 1.8 06/12/2019 Minor changes to main page layout. 1.7 04/19/2019 Added German DHDN coordinate systems. 1.6 07/30/2017 When "British National Grid" is selected as the to or from coordinate system, show a grid ref button to display the OS grid ref. 1.5 06/12/2017 Added support for new Australian GDA 2020 datum. 1.4 04/20/2017 Better landscape mode layout. Bug fixes. 1.3 03/22/2017 Targeted iOS 9 (instead of iOS 10) so the app is available on more devices. Also made the coordinate chooser page scrollable. 1.2 01/25/2017
Coordinate Master version 4.4
Updated At: 2022-11-18
Changes: Nov 18, 2022
Version 4.4
User interface improvements
Coordinate Master version 4.4
Updated At: 2022-11-18
Changes: User interface improvements
Coordinate Master version 1.1
Updated At: 2017-01-03
Disclaimer
Official App Store Link
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