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
FSWidgets Navigator
FSWidgets Navigator is a moving map app, custom made for flight simulation and built with the latest iOS technologies like native Apple Maps.
$29.99 · In-app purchases
PRICE
$29.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
5 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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 FSWidgets Navigator: 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
Offer more robust offline maps and navigation features.
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Implement faster, optimized location searching.
Assumption to check: Slow search results
Validate with people who use this workflow before building.
Hypothesis 3
Provide clearer subscription benefits and trial information.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to personalize their navigation experience.
Assumption to check: Lack of customization
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
FSWidgets Navigator is a moving map app, custom made for flight simulation and built with the latest iOS technologies like native Apple Maps. It supports most popular simulators like MSFS2024, MSFS2020, FSX, P3D, FS9, X-Plane & Aerofly FS. Our free FSWidgets Connect service provides connectivity for the flight simulator (download from fswidgets.com) FSWidgets Navigator Features: * Universal app, for iPhone, iPad and Mac (M1 + Ventura or later) * Built with the native Apple Maps SDK * Stunning full screen, edge-to-edge map display * Split screen on iPad supported * Fully dark-mode compliant * Native Apple base maps with sharp vector graphics * Ultra smooth manual panning & zooming * Supports manual map rotation * Track-up or North-up map orientation options * Compass rose supports true or magnetic indication * Jet, prop or helicopter aircraft icon options * Native MSFS, P3D, FSX, FS9 & X-Plane flight plan file support * Great Circle projection option for flight plan * Dropbox option for transferring flight plans to the device * Includes all Apple Maps styles - Roads, Roads Light, Sat & Hybrid * Includes over 40 Aero Chart overlays * Worldwide Nav Data icons (airport, ILS, VOR, NDB, fix) * Detailed info for airports (runways, frequencies, lighting) * US Terminal Procedures (IAP/SID/STAR/Airport Diagrams) * Worldwide weather icons (METAR/TAF) * US NEXRAD precipitation data * World rain, cloud, pressure and wind data
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
@react-native-maps
axios
zustand
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.
