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
ATSU
flight planning & operational support
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 ratings · Top 5%
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 included19 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.
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 ATSU: map the core Weather 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
Use multiple reliable APIs to enhance accuracy.
Assumption to check: Inaccurate weather data in some regions
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize themes and layouts.
Assumption to check: Limited customization options
Validate with people who use this workflow before building.
Hypothesis 3
Optimize map rendering and data fetching.
Assumption to check: Slow loading times for radar features
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate social sharing and weather tips.
Assumption to check: Lack of user engagement 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
flight planning & operational support • auto-generated part a flight planning suggestions • detects short and narrow runways, calculates maximum crosswind limits • identifies weather-related threats during planning • built-in threat module for enhanced situational awareness runway intelligence • detailed wind component analysis (headwind & crosswind) • runway slope, elevation, surface type (asp, con) • runway length, width, displaced threshold data airport essentials • airport frequencies and airport maps • offline/online note sharing with voting system for pilot feedback • in-flight tools • approach path and temperature correction • wind component calculator, fuel uplift calculator, logbook summation, unit converters ada suite (airmet detection & awareness) • sigmet plotting (thunderstorm, icing, turbulence, volcanic ash, and more) • great circle flight planner • prognostic and significant weather charts notam & weather decoder • smart notam classification • metar/taf decoding • runway condition/braking action decoder (icao and russian formats) meteogram • visual meteogram charts showing weather trends and forecasts drive mode • listen to latest metars and tafs • audio mode similar to atis • designed for hands-free use night time calculator • automatically calculates night flight time • based on great circle route dangerous goods module • dangerous goods risk evaluation • firefighting and spill procedures • drill codes and additional safety considerations
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
axios
react-navigation
@react-native-community/geolocation
react-native-maps
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.
