App Overview

US National Parks Map & Guide! icon

US National Parks Map & Guide!

GeoPOI LLC · Navigation

The United States of America is a vast land full of breathtaking parks, indescribable landscapes, and fascinating history

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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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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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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.

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

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// RORK SYSTEM PROMPT
Rork plan preview for US National Parks Map & Guide!: 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 maps and caching for a better user experience.

Assumption to check: Limited offline functionality in navigation apps

Validate with people who use this workflow before building.

Hypothesis 2

Add a feature to search for nearby parks and amenities with filters.

Assumption to check: Difficulty in finding nearby parks or amenities

Validate with people who use this workflow before building.

Hypothesis 3

Include user-generated reviews and photos to enhance engagement.

Assumption to check: Poor user engagement with static content

Validate with people who use this workflow before building.

Hypothesis 4

Integrate real-time traffic and route updates for accurate navigation.

Assumption to check: Navigational errors with real-time updates

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 United States of America is a vast land full of breathtaking parks, indescribable landscapes, and fascinating history. You may already know some of the iconic landmarks the US has to offer, but did you know that there are more than 400 National Park Service properties? This app is your guide to discovering the unspeakable beauty that is contained within these fabled natural and cultural wonders! Whether you are a seasoned park explorer or are just wanting to learn a little more about the amazing places surrounding your home turf, this app is for you! The data is up to date as of Winter of 2020 and contains over 30,000 points of interest and other features on National Park Service land. These points are symbolized with over 60 color-coded icons that differentiate between the wide variety of categories. The six main groups for these categories include Amenities, Points of Interest, Recreation, Information & Historical, Lodging & Structures, and Transportation. The app even distinguishes property boundaries and includes nearly 30,000 hiking and offroading trails. Once using the app, there are five screens. The Guide screen will provide data legends as well as helpful tips for optimizing your navigational experience. On the Info screen, you will find a number of spatial links to the different NPS properties, parks, memorials, and monuments. This is a great way to quickly locate specific places and discover new parks! The About screen provides links to all of the open-source resources used in the app and gives a little information about the developer GeoPOI. The Map Settings screen is where you can change between one of four different basemaps, download offline imagery, turn on geolocation, and toggle specific point categories. Finally, the Map screen is where it all comes together! On the Map screen, there are a series of circle clusters at distant zooms that indicate how many points are within a given cluster. As you tap the clusters to zoom in, individual points and icons become visible, along with trails and boundaries. These features can be clicked on to reveal the name, location, and other useful information. The map screen also has two search tools - the left one can be used to look up addresses and towns, while the right one will allow you to query the names of the features in the database. There is such a wealth of beauty out there waiting to be discovered. Never before has it been this easy to navigate our National Parks as you travel, no matter where in the United States you are or what kinds of places you are interested in visiting. It's time to experience the rich natural and cultural tapestry of our nation and pay homage to the places that make our country the great land that it is. Come navigate the US National Park System with GeoPOI today!

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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
Axios
React Native Maps
Expo Location
React Native Async Storage
Redux
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.