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
Meteor Shower Guide
Want to know when the next meteor shower happens? Meteor Shower Guide is your complete pocket reference to the annual meteor showers
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
7 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 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.
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 Meteor Shower Guide: map the core Reference 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
Enhance detail view with historical data and user-generated comments
Assumption to check: Limited meteor shower details compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement sharing features for social media platforms
Assumption to check: No social sharing options
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize notifications for specific meteor showers
Assumption to check: Basic notification options
Validate with people who use this workflow before building.
Hypothesis 4
Implement local storage for offline viewing of meteor shower information
Assumption to check: No offline access to data
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
Want to know when the next meteor shower happens? Meteor Shower Guide is your complete pocket reference to the annual meteor showers. Determines the peak date of a meteor shower and the observing conditions for that date (moon phase, rise and set times for the moon and sun). This year or years in the future without needing a internet connection or update. * Includes all meteor showers on the International Meteor Organization working visual list and all meteor showers from the American Meteor Society's Weak Meteor Showers list. * Forecasts peak day and time for your time zone. Calculates sunrise and sunset times, moon phase and age for meteor shower peak date. Advises you of the moonlights affect on the meteor shower. * Selectable catalog year allows you to look at meteor shower conditions for years into the future or past. Handy for comparing conditions in different years. Get outside and enjoy a meteor shower! If you encounter any issues please contact us for help! See the support website for additional information.
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
Supabase
react-navigation
@react-native-calendars
zustand
BUILD KIT DIFFICULTY
Starter
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.
