# Geocaching Tools Kit — 150+ geotools to help you !

> Geocaching utility app with 150+ tools for puzzles, navigation, and decoding. (iPhone/iPad app by JW Rijkes.)

- Source: https://appshunter.io/ios/app/geocaching-tools-kit/id593639170 (this page in markdown: same URL + `.md`)
- Developer: [JW Rijkes](https://appshunter.io/developer/567970964)
- Category: Navigation, Travel
- Price: $1.99 (on sale, was $2.99)
- Rating: 4.00/5 from 11 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.6 · 35 MB
- Languages: French (France), German (Germany), American English, European Spanish, Dutch
- Released: 2013-01-20
- Data updated: 2026-08-29
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/geocaching-tools-kit/id593639170/reviews.md

## What is Geocaching Tools Kit?

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!

## Key features

- 150+ geotools
- Mystery and multi-cache solving
- Navigational computations
- Conversions and decoding tables
- Interactive decryption
- Coordinate system conversions

## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/geocaching-tools-kit/id593639170/reviews.md

### 5/5 — Beste App und bester Support

*2026-08-23*

Es ist wirklich beeindruckend, wie schnell und gründlich Pim auf Hinweise reagiert. Das aktuelle Update zur Koordinaten-Umwandlung hatte ich angeregt und einen Tag später hatte er es gefixt und dabei immer im direkten Austausch mit den Kunden - wirklich bemerkenswert!

### 5/5 — Awesome

*2026-01-01*

Awesome job on this

### 4/5 — Gut

*2025-05-09*

Bitte das tollste schnellste Interface aber die App macht viele gute Sachen :)

### 5/5 — GCTK

*2024-12-31*

Fantastic application. I’ve been using it for many years and it’s bailed me out more times than I can remember. Believe me you need this app in your tool box…

### 5/5 — Tolle App mit vielen nützlichen Tools zum Geocachen

*2024-07-17*

Die App nutzen wir schon geraume Zeit und sind ganz begeistert. Eine kleine App mit riesig viel Inhalt, übersichtlich angeordnet in Untermenüs. Vielen Dank an die Entwickler!

### 5/5 — Excellent Puzzle Tool

*2022-02-24*

Been using this for years to help work on solving geocaching puzzles. Super easy to use and it is updated regularly. Highly recommend it.

### 5/5 — 👍👍👍👍👍

*2022-01-29*

Super App 
Sehr zu empfehlen 😊👍👍👍👍👍

### 4/5 — Comprehensive despite the lack of style

*2018-12-30*

By far the most comprehensive and useful geocaching tools app which is hidden by an ugly appearance 😂

### 5/5 — Total genial!!!!!!

*2018-09-04*

Der beste Helfer beim Geocaching.
Weiter so .

### 5/5 — Alles was man so braucht

*2017-06-16*

Gut

## Frequently asked questions about Geocaching Tools Kit

### What is Geocaching GCTK?

Geocaching GCTK is a utility app designed for geocachers, providing over 150 tools to assist with solving mystery and multi-caches, performing navigational calculations, and decoding various ciphers.

### Does Geocaching GCTK have ads?

No, Geocaching GCTK is ad-free. It also does not require any additional in-app purchases for features or tools added in future versions.

### What kind of navigation tools does Geocaching GCTK offer?

The app includes tools for calculating new waypoints from existing ones and bearings, determining intersections of circles, finding centroids, converting coordinates, and calculating distances and bearings between waypoints.

### How many coordinate systems does Geocaching GCTK support?

Geocaching GCTK supports over 3800 coordinate systems, allowing for extensive conversion capabilities.

### What decoding tools are available in Geocaching GCTK?

It offers a wide range of decoding tables, including various alphabets, ASCII, Bacon, Morse, Pigpen ciphers, and signal flags, as well as interactive decoding for Braille, ROT ciphers, and Vigenère.

### Is Geocaching GCTK available on Android devices?

Based on the provided data, Geocaching GCTK is supported on iPhone and iPod. Information regarding Android compatibility is not available in this data.

### How often is Geocaching GCTK updated?

The app was last updated on February 20, 2026, indicating a recent update. The developer also mentions that the number of tools will grow based on user input.

### What is the price of Geocaching GCTK?

Geocaching GCTK is a paid app priced at $1.99. There are no additional in-app purchases required.

## Version history (last 5 releases)

### 5.2.1 — 2026-08-21

- WGS84 coordinate input can now handle far more input formats.
- Updated coordinate conversion algorithm

### 5.2 — 2026-08-21

- WGS84 coordinate input can now handle all input formats.
- Updated coordinate conversion algorithm

### 5.1.5 — 2026-02-20

Bugfix release

### 5.1.4 — 2025-08-28

Maintenance release

### 5.1.3 — 2025-06-22

Bugfix for Navigation, Projection when calculating in feet.

## Apps similar to Geocaching Tools Kit

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| --- | --- | --- | --- |
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| [GPX-Caching](https://appshunter.io/ios/app/gpx-caching/id6742084048) | — | $0.99 | Navigation |
| [Raccoon - Geocaching Tool](https://appshunter.io/ios/app/raccoon-geocaching-tool/id424398764) | 5.0 (2) | Free | Navigation |
| [GPX-Caching LT](https://appshunter.io/ios/app/gpx-caching-lt/id6754808607) | — | Free | Navigation |

## More apps by JW Rijkes

- [iStandBy](https://appshunter.io/ios/app/istandby/id648968604)
- [Coordinate Systems Converter](https://appshunter.io/ios/app/coordinate-systems-converter/id1065074340)
- [iStandBy](https://appshunter.io/ios/app/istandby/id1126103634)

All apps by JW Rijkes: https://appshunter.io/developer/567970964

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*
