App Overview

Good Maps: Trails,Street View icon

Good Maps: Trails,Street View

光宇 张 · Navigation

Good Maps — Your Global Exploration & Professional Outdoor Map

$1.99 · In-app purchases

PRICE
$1.99
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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A product spec, screen plans, and build steps for your coding agent.

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What's included18 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 Good Maps: Trails,Street View: 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

Improve offline map features with better caching and downloads.

Assumption to check: Limited offline map functionality

Validate with people who use this workflow before building.

Hypothesis 2

Enhance search algorithm for more reliable results.

Assumption to check: Inaccurate search results

Validate with people who use this workflow before building.

Hypothesis 3

Streamline UI for better navigation and usability.

Assumption to check: Cluttered user interface

Validate with people who use this workflow before building.

Hypothesis 4

Optimize performance for smoother turn-by-turn directions.

Assumption to check: Poor performance during navigation

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

Good Maps — Your Global Exploration & Professional Outdoor Map Whether you're exploring world-famous landmarks from home or trekking through off-the-grid wilderness trails, Good Maps is your reliable partner for discovering the Earth. Combining professional hiking trails, 3D satellite topography, immersive Street View, and an intelligent routing engine, we offer a clear and intuitive geographical exploration experience. [Core Features] - Immersive Global Street View — Your window to explore the world. From the winding bricks of the Great Wall to the sands of the Pyramids, view every detail as if you were there. Ideal for pre-trip preparation or everyday virtual travel. - Global Hiking Trails — A vast collection of outdoor trails worldwide. From local city greenways to high-altitude wilderness treks, easily discover your next adventure with our growing route library. - Multi-Engine Maps — Switch freely between professional map data. Use Google High-Res Satellite to inspect surface details and Mapbox 3D Terrain to visualize mountain ridges and valley depths, easily mastering complex landscapes. - Smart Route Planner — Intuitive drag-and-drop planning. Tap and sketch your path; the engine instantly snaps to real-world roads and trails, generating accurate routes without the hassle. - Pro-Grade Data & Search — Access real-time elevation profiles, accurate distance estimates, and key waypoints. Find exactly what you need with comprehensive POI data, from wilderness refuge camps to city supply stops. - Offline Maps for Extremes — Built for off-the-grid environments. Download custom regions worldwide to ensure you always have a reliable guide, even deep in the wilderness without a signal. - Your Exploration Archive — Build a personalized wishlist. Save favorite trails, memorable street views, and key locations with one tap, effortlessly managing your past and future journeys. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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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 Native
Expo
react-navigation
@react-native-maps
axios
react-query
BUILD KIT DIFFICULTY
Advanced

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.