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.
App Overview
Direction Compass With Maps
This app takes you where other navigation Apps can't !
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
141 ratings · Top 15%
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Direction Compass With Maps: 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 comprehensive offline maps and navigation.
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Improve location accuracy and responsiveness.
Assumption to check: Inaccurate location tracking in dense areas
Validate with people who use this workflow before building.
Hypothesis 3
Enhance UI/UX with modern design principles.
Assumption to check: Basic UI design and user experience
Validate with people who use this workflow before building.
Hypothesis 4
Add features like alternative routes and traffic data overlays.
Assumption to check: Lack of advanced routing features
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
This app takes you where other navigation Apps can't ! This is the "must have" tool to locate yourself easily whether it be in a town/ city, whilst out hiking, on a boat... • Need directions ? Lost? • Want to know in which direction to go and how far you are from your destination? • Want to find your car, return to your starting point? • Always know where you are and where you are going. • Locate important places (buildings, mountains, beaches ...) nearby or faraway. Search for an address in an intuitive way: you can type "Buckingham Palace", "Golden gate bridge", "58 wall street, New York", "Punta Cana" or "Taj Mahal", the app understands almost everything! Magic, the map IS a compass and orients itself automatically. Zoom, Unzoom the map, find your exact position in your district, your city or your country. Never get lost again: Your current address is displayed at the touch of a button. Requires an internet connection. Remember to calibrate the compass for the iPhone every time you start the app. Stay away from electromagnetic interferences. See instructions for details.
Written user reviews are not shown here. Check current App Store reviews >
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
expo-location
zustand
react-native-maps
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.
