App Overview

Geocaching Toolkit iGCT Pro icon

Geocaching Toolkit iGCT Pro

BtStSoft · Navigation

The iGCT PRO app is a toolkit that focuses on typical tasks performed during geocaching

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.3
3 ratings · Below Average

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included15 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Geocaching Toolkit iGCT Pro: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement robust offline caching and map download features.

Assumption to check: Limited offline functionality for caching data

Validate with people who use this workflow before building.

Hypothesis 2

Design a cleaner, more organized UI for easier navigation.

Assumption to check: User interface can be cluttered

Validate with people who use this workflow before building.

Hypothesis 3

Optimize performance for lower-end devices to improve user experience.

Assumption to check: Inconsistent performance on older devices

Validate with people who use this workflow before building.

Hypothesis 4

Add social features such as sharing caches and user reviews.

Assumption to check: Lack of community features for users

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

The iGCT PRO app is a toolkit that focuses on typical tasks performed during geocaching. Tasks like making a projection from a waypoint, determining a new waypoint using two other waypoints, determining the distance to these waypoints, calculating the value of a Roman numeral, and averaging waypoints are examples of what the toolkit can accomplish. Imagine it’s lovely weather and you are walking in a beautiful surrounding. Walking with an intention, because you are geocaching and searching for caches. Picture you are at waypoint 3 of a multi cache and you’re asked to go to waypoint 4, which is 300 meter from this waypoint and 700 meter from the previous waypoint. Now what? Go home? Imagine you have a skilful toolkit with you to find your way. Imagine you have iGCT PRO, because you want to be ready for all these kind of challenges. Buy it now for a fixed low price (no in-app purchase necessary), since you never know if you have internet access the moment you need it most! The choice is yours. Complete feature list: List of waypoints ================= - Averaging a number of GPS readings for accurate coordinates - Manage a list of named waypoints - Search/filter list of waypoints - Show overview map with all (filtered) waypoints - Manually add a new waypoint - Edit latitude, longitude in WGS84, degrees, DMS, UTM, Dutch/Swiss XY - What3words - Compass navigation to selected waypoint Calculations ============ - Project new waypoint using distance/bearing - Distance/bearing between two known waypoints - Cross two wp/bearing lines - Cross wp/bearing line with circle around other wp - Cross two circles around 2 waypoints - Determine wp with same distance to 3 other waypoints - Cross two lines, each line connects two waypoints Text to number ============== - Calculate the sum of the character values in one or more words, the sum of all digits in this sum and finally sum the digits once more to typically arrive at one digit. - Choose between a=1, b=2 etc., the inverse a=26, b=25 etc. or the phone numbering abc=2, def=3 etc. En/Decrypt =============== Various encryption and decryption methods typically used in geocache descriptions: - Rotate characters by N positions - Caesar (Rot13) - Morse - Vigenere Numbers ======= Convert between these number systems: - Roman - Decimal (base 10) - Binary (base 2) - Hexadecimal (base 16)

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Navigation
Expo Location
Axios
React Native Maps
Redux
Shadcn/UI
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.