Strike and Dip4.9 - App Store
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Publisher Description
Strike and Dip turns your iPhone into a pocket transit. Take strike & dip measurements, bearings, plunge, and all that geological goodness, while simultaneously getting your latitude, longitude, and elevation. Save your measurements as notes, and add photos to your notes. Now also with maps (geological in the U.S. and some other parts of the world) that show the locations of all your saved data. Customizable to how you work: choose between azimuth and quadrant formats for bearings, three formats for coordinates, meters and feet, and three different formats for strike and dip.
Version History • Updated for iOS 26
• Bug fixes 4.9 Jul 25 • Updated for iOS 18
• Bug fixes 4.8 12/08/2024 • Locations of images added to notes are now saved
• Added Lock Screen widget - open Strike and Dip right from the Lock Screen
• Updated for iOS 16 4.7 02/18/2023 • Updated for iOS 15
• Updated Dropbox support
• User interface improvements, especially to the map and bearings 4.6 11/06/2021 • Updated for iOS 14
• User interface improvements
• Bug fixes 4.5 11/25/2020 • Updated for iOS 13
• Support for dark mode
• Accessibility improvements
• User interface improvements
• Minor bug fixes 4.4 09/20/2019 • Updated for iOS 12 and the newest iPhones
• Can now also export your notes as a pdf
• Exporting now includes the names of photos 4.3 12/08/2018 • fixed bug that could cause strike & dip and bearing indicators to behave erratically in some cases 4.2.2 04/12/2018 • Uses the latest geologic maps from macrostrat.org 4.2.1 02/12/2018 • Now export your notes as a .kml file for Google Earth (and you can still export them as a .csv file)
• Works with iPhone X 4.2 01/06/2018 • Fixed bug that prevented previously-collected data from being displayed 4.1.1 10/11/2017 • Updated for iOS 11 4.1 10/08/2017 • Fixed bug that could cause crash when emailing notes 4.0.3 05/02/2017 • Fixed issue that would prevent the first photo from being saved
• Fixed bug that could cause app to crash when accessing photos 4.0.2 03/20/2017 • Fixes an issue where previously-saved data would not be shown in the Notes table 4.0.1 02/25/2017 • Maps now include a geologic map overlay, supplied by macrostrat.org
• The location of your measurements and notes are now also shown on maps, and you can see their data by tapping on them
• Numerous code improvements and some bug fixes 4.0 02/18/2017 • Fixed bug that would cause the notes to be hidden by the keyboard 3.1.1 05/12/2016 • updated for iOS8
• now supports iPad, iPhone 6, and iPhone 6 Plus
• export notes to Dropbox and iCloud Drive
• support for UTM coordinates 3.1 01/20/2015 • Added support for the 4-inch screens.
• Redesigned throughout for iOS 7.
• Separate tools for measuring strike and dip, bearing, and vertical angles, with easy-to-use and continuously updating depictions of what is being measured.
• A photo can now be attached to each note, and these photos are stored in the Photos library.
• Current location now displayed on a map, including standard, satellite, and hybrid types. 3.0 09/18/2013 • Current location can now be displayed on a map within the app (accessible from Strike/Dip tab)
• Added support for devices with Retina displays
• Fixed bug that caused an incorrect longitude to display on the Strike/Dip tab
• Fixed bug that prevented all notes from being deleted
• Fixed bug that would cause degrees symbol in downloaded notes from being displayed correctly
• User interface enhancements
• Internal code improvements 2.5 11/07/2012 • User interface enhancements
• Resolved condition in which elevation would not correctly display in yellow 2.4 09/04/2012 • Data can now be retrieved through iTunes and it can be emailed.
• All data can be deleted in one step.
• Precision of strike measurements is improved.
• Strike and bearing measurements can now be taken when declination is not available. Screen shows that only magnetic bearings are available in these cases, and notes are flagged as being based on magnetic bearings. This also eliminates the -1 that previously appeared in the strike/dip and bearing screens when the current location could not be obtained.
• User interface enhancements.
• Fixed issue in which dip direction and dip would be labeled incorrectly in the notes as strike and dip.
• Bearings are now saved in the selected format.
• Coordinates are now displayed in notes list in the selected format.
• Fixed bug that could prevent a new note from being created on the notes screen. 2.3 10/11/2011 Fixed issue which could cause an incorrect magnetic declination to be displayed 2.2.1 05/27/2011 Added vibrate feedback when a note is added.
Resolved issue that could prevent editing of a note. 2.2 04/25/2011 New formats for strike and dip: choose among right-hand rule, north-half rule, and dip-direction rule. 2.1 02/23/2011
About Strike and Dip
The company that develops Strike and Dip is Hunt Mountain Software. The latest version released by its developer is 4.9.
To install Strike and Dip 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 2026-10-15 and was downloaded 0 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 Strike and Dip as malware if the download link is broken.
How to install Strike and Dip on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Strike and Dip 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 Strike and Dip 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 4.9
posted on 2026-10-15
Version History • Updated for iOS 26
• Bug fixes 4.9 Jul 25 • Updated for iOS 18
• Bug fixes 4.8 12/08/2024 • Locations of images added to notes are now saved
• Added Lock Screen widget - open Strike and Dip right from the Lock Screen
• Updated for iOS 16 4.7 02/18/2023 • Updated for iOS 15
• Updated Dropbox support
• User interface improvements, especially to the map and bearings 4.6 11/06/2021 • Updated for iOS 14
• User interface improvements
• Bug fixes 4.5 11/25/2020 • Updated for iOS 13
• Support for dark mode
• Accessibility improvements
• User interface improvements
• Minor bug fixes 4.4 09/20/2019 • Updated for iOS 12 and the newest iPhones
• Can now also export your notes as a pdf
• Exporting now includes the names of photos 4.3 12/08/2018 • fixed bug that could cause strike & dip and bearing indicators to behave erratically in some cases 4.2.2 04/12/2018 • Uses the latest geologic maps from macrostrat.org 4.2.1 02/12/2018 • Now export your notes as a .kml file for Google Earth (and you can still export them as a .csv file)
• Works with iPhone X 4.2 01/06/2018 • Fixed bug that prevented previously-collected data from being displayed 4.1.1 10/11/2017 • Updated for iOS 11 4.1 10/08/2017 • Fixed bug that could cause crash when emailing notes 4.0.3 05/02/2017 • Fixed issue that would prevent the first photo from being saved
• Fixed bug that could cause app to crash when accessing photos 4.0.2 03/20/2017 • Fixes an issue where previously-saved data would not be shown in the Notes table 4.0.1 02/25/2017 • Maps now include a geologic map overlay, supplied by macrostrat.org
• The location of your measurements and notes are now also shown on maps, and you can see their data by tapping on them
• Numerous code improvements and some bug fixes 4.0 02/18/2017 • Fixed bug that would cause the notes to be hidden by the keyboard 3.1.1 05/12/2016 • updated for iOS8
• now supports iPad, iPhone 6, and iPhone 6 Plus
• export notes to Dropbox and iCloud Drive
• support for UTM coordinates 3.1 01/20/2015 • Added support for the 4-inch screens.
• Redesigned throughout for iOS 7.
• Separate tools for measuring strike and dip, bearing, and vertical angles, with easy-to-use and continuously updating depictions of what is being measured.
• A photo can now be attached to each note, and these photos are stored in the Photos library.
• Current location now displayed on a map, including standard, satellite, and hybrid types. 3.0 09/18/2013 • Current location can now be displayed on a map within the app (accessible from Strike/Dip tab)
• Added support for devices with Retina displays
• Fixed bug that caused an incorrect longitude to display on the Strike/Dip tab
• Fixed bug that prevented all notes from being deleted
• Fixed bug that would cause degrees symbol in downloaded notes from being displayed correctly
• User interface enhancements
• Internal code improvements 2.5 11/07/2012 • User interface enhancements
• Resolved condition in which elevation would not correctly display in yellow 2.4 09/04/2012 • Data can now be retrieved through iTunes and it can be emailed.
• All data can be deleted in one step.
• Precision of strike measurements is improved.
• Strike and bearing measurements can now be taken when declination is not available. Screen shows that only magnetic bearings are available in these cases, and notes are flagged as being based on magnetic bearings. This also eliminates the -1 that previously appeared in the strike/dip and bearing screens when the current location could not be obtained.
• User interface enhancements.
• Fixed issue in which dip direction and dip would be labeled incorrectly in the notes as strike and dip.
• Bearings are now saved in the selected format.
• Coordinates are now displayed in notes list in the selected format.
• Fixed bug that could prevent a new note from being created on the notes screen. 2.3 10/11/2011 Fixed issue which could cause an incorrect magnetic declination to be displayed 2.2.1 05/27/2011 Added vibrate feedback when a note is added.
Resolved issue that could prevent editing of a note. 2.2 04/25/2011 New formats for strike and dip: choose among right-hand rule, north-half rule, and dip-direction rule. 2.1 02/23/2011
version 4.8
posted on 2026-07-23
Version History • Updated for iOS 18
• Bug fixes 4.8 12/08/2024 • Locations of images added to notes are now saved
• Added Lock Screen widget - open Strike and Dip right from the Lock Screen
• Updated for iOS 16 4.7 02/18/2023 • Updated for iOS 15
• Updated Dropbox support
• User interface improvements, especially to the map and bearings 4.6 11/06/2021 • Updated for iOS 14
• User interface improvements
• Bug fixes 4.5 11/25/2020 • Updated for iOS 13
• Support for dark mode
• Accessibility improvements
• User interface improvements
• Minor bug fixes 4.4 09/20/2019 • Updated for iOS 12 and the newest iPhones
• Can now also export your notes as a pdf
• Exporting now includes the names of photos 4.3 12/08/2018 • fixed bug that could cause strike & dip and bearing indicators to behave erratically in some cases 4.2.2 04/12/2018 • Uses the latest geologic maps from macrostrat.org 4.2.1 02/12/2018 • Now export your notes as a .kml file for Google Earth (and you can still export them as a .csv file)
• Works with iPhone X 4.2 01/06/2018 • Fixed bug that prevented previously-collected data from being displayed 4.1.1 10/11/2017 • Updated for iOS 11 4.1 10/08/2017 • Fixed bug that could cause crash when emailing notes 4.0.3 05/02/2017 • Fixed issue that would prevent the first photo from being saved
• Fixed bug that could cause app to crash when accessing photos 4.0.2 03/20/2017 • Fixes an issue where previously-saved data would not be shown in the Notes table 4.0.1 02/25/2017 • Maps now include a geologic map overlay, supplied by macrostrat.org
• The location of your measurements and notes are now also shown on maps, and you can see their data by tapping on them
• Numerous code improvements and some bug fixes 4.0 02/18/2017 • Fixed bug that would cause the notes to be hidden by the keyboard 3.1.1 05/12/2016 • updated for iOS8
• now supports iPad, iPhone 6, and iPhone 6 Plus
• export notes to Dropbox and iCloud Drive
• support for UTM coordinates 3.1 01/20/2015 • Added support for the 4-inch screens.
• Redesigned throughout for iOS 7.
• Separate tools for measuring strike and dip, bearing, and vertical angles, with easy-to-use and continuously updating depictions of what is being measured.
• A photo can now be attached to each note, and these photos are stored in the Photos library.
• Current location now displayed on a map, including standard, satellite, and hybrid types. 3.0 09/18/2013 • Current location can now be displayed on a map within the app (accessible from Strike/Dip tab)
• Added support for devices with Retina displays
• Fixed bug that caused an incorrect longitude to display on the Strike/Dip tab
• Fixed bug that prevented all notes from being deleted
• Fixed bug that would cause degrees symbol in downloaded notes from being displayed correctly
• User interface enhancements
• Internal code improvements 2.5 11/07/2012 • User interface enhancements
• Resolved condition in which elevation would not correctly display in yellow 2.4 09/04/2012 • Data can now be retrieved through iTunes and it can be emailed.
• All data can be deleted in one step.
• Precision of strike measurements is improved.
• Strike and bearing measurements can now be taken when declination is not available. Screen shows that only magnetic bearings are available in these cases, and notes are flagged as being based on magnetic bearings. This also eliminates the -1 that previously appeared in the strike/dip and bearing screens when the current location could not be obtained.
• User interface enhancements.
• Fixed issue in which dip direction and dip would be labeled incorrectly in the notes as strike and dip.
• Bearings are now saved in the selected format.
• Coordinates are now displayed in notes list in the selected format.
• Fixed bug that could prevent a new note from being created on the notes screen. 2.3 10/11/2011 Fixed issue which could cause an incorrect magnetic declination to be displayed 2.2.1 05/27/2011 Added vibrate feedback when a note is added.
Resolved issue that could prevent editing of a note. 2.2 04/25/2011 New formats for strike and dip: choose among right-hand rule, north-half rule, and dip-direction rule. 2.1 02/23/2011 Calibration bug fixed.
Improved display of strike and dip readings.
Measurements in notes now editable. 2.0.2 12/15/2010
version 4.8
posted on 2024-12-08
• Updated for iOS 18
• Bug fixes
version 4.8
posted on 2024-12-08
Dec 8, 2024
Version 4.8
• Updated for iOS 18
• Bug fixes
version 4.7
posted on 2023-02-18
Feb 18, 2023
Version 4.7
• Locations of images added to notes are now saved
• Added Lock Screen widget - open Strike and Dip right from the Lock Screen
• Updated for iOS 16
version 3.1.1
posted on 2009-10-31
Disclaimer
Official App Store Link
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