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Geocaching Tools Kit

by JW Rijkes more by this developer →

#266,609 of 726,542 by ratings on Apple · #2,558 of 7,626 in Navigation

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Category: Navigation

Description

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 or decoding table!

* No additional in-app purchases required
* No additional charge for features/tools that will be added in future versions.


GCTK features:

CONVERSIONS
Base64/Binary/Decimal/Hex to ASCII
Binary/Decimal/Hex/Octal conversions
Celsius, Fahrenheit and Kelvin
D°M'S" conversions
Distances
Roman numbers

NAVIGATION
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!)
Crossing lines
Distance, bearing, middle of 2 WPs
Project a new WP
WP/Bearing + WP/Distance = new WP

DECODING: TABLES

Alphabet, Gernreich
Alphabet, Latin
ASCII
Baal horizontal
Baal diagonal
Bacon
Brahmi
Chappe
Futurama
Hexahue
HVD code
Illuminati cypher
Mayan numerical coding
Periodical system
Pigpen cyphers (3 x)
Resistor colorcodes
Sign language
Signal flags: maritime
Signal flags: NATO
Signal flags: semaphore
Web- & WingDings
- and approximately 90 more...

DECODING: INTERACTIVE
Braille
ROT-5/13/47 rotation
Cellphone keypad (char to num)
Cellphone keypad (num to char)
Morse
Signlanguage
Vigenère

NUMBERS
Prime numbers
Fibonacci numbers
Pi (decimals)
e (decimals)

TEXT
Frequency analyses
a=1, b=2, a=26, b=25, etc
Count characters
Count words
Hint decrypting

OTHER
Sudoku solver
QR code scanner
Barcode scanner



UPCOMING FEATURES:

- more and other tools depending your input!

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Growth

Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.

History

Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.