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GCTK has been developed to help you solve the many mystery caches that are available throughout the world. Not all puzzles are that obvious or easy to solve and this app can be of great help to do so!
The developer is a geocacher himself; he knows what problems may arise when trying to solve mystery caches which was the main reason to start development of the app.
The development of GCTK is a continuing process, depending the input/requests of other geocachers who are faced with mystery caches that aren't easy to solve. Anyone can make a request to add a tool into the app. Therefore GCTK will grow bigger and bigger containing more tools.
GCTK can only be downloaded at the Apple appstore.
GCTK : Geocaching Toolkit
150+ tools and decoding tables to help you solve mystery- and multi-caches and make navigational computations, conversions, decodings and text analyses
The number of tools will grow depending your input, so mail us to suggest/request a new tool !
* No additional in-app purchases required
* No additional charge for features/tools that will be added in future versions.
Base64/Binary/Decimal/Hex to ASCII
Celsius, Fahrenheit and Kelvin
2 WPs + 2 bearings = new WP
2 WPs + 2 distances = 2 new WPs (Intersections of 2 circles)
3 WPs + 3 distances = new WP (Intersection of 3 circles)
Centroid & surface of triangle
Centroid of circle through any 3 WPs
Coordinatesystem conversions (3800+ systems!)
Distance, bearing, middle of 2 WPs
Project a new WP
WP/Bearing + WP/Distance = new WP
Mayan numerical coding
Pigpen cyphers (3 x)
Signal flags: maritime
Signal flags: NATO
Signal flags: semaphore
Web- & WingDings
- and approximately 50 more...
Cellphone keypad (char to num)
Cellphone keypad (num to char)
a=1, b=2, a=26, b=25, etc
QR code scanner
An overview of the tools
Need support ?
Don't hesitate and contact us at : firstname.lastname@example.org
iPhone/iPad iOS version