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
Space Coast Launches
Track the rocket launch schedule on Florida's Space Coast with Space Coast Launches
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 2.3
230 ratings · Below Average
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 included14 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 Space Coast Launches: map the core News 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
Provide a wider range of articles and in-depth analysis.
Assumption to check: Limited article variety and depth
Validate with people who use this workflow before building.
Hypothesis 2
Enhance the UI with smoother transitions and clearer navigation.
Assumption to check: Poor user interface and navigation
Validate with people who use this workflow before building.
Hypothesis 3
Implement a personalized feed based on user preferences.
Assumption to check: Lack of personalized content
Validate with people who use this workflow before building.
Hypothesis 4
Ensure timely and relevant push notifications for new content.
Assumption to check: Inconsistent notifications
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
Track the rocket launch schedule on Florida's Space Coast with Space Coast Launches. This app contains the schedule of rocket launches from the Kennedy Space Center and Cape Canaveral Space Force base from organizations like NASA, SpaceX, ULA and more with a clean and convenient user experience. Receive T-2 hour and T-5 minute launch notifications, live launch feeds, a map of popular viewing locations and rocket experiences on Florida's Space Coast, and much more. Space Coast Launches will help you make the most of your rocket launch experience. This is your one-stop-shop for everything about rocket related in east Florida: - Learn about all of the exciting upcoming launches from Kennedy Space Center and Cape Canaveral Space Force Station. - Receive notifications for upcoming launches 24 hours and 5 minutes before countdown. - Live stream rocket launches in the app. - Access our exclusive "Ultimate Astronaut Itinerary" to learn about all the unique experiences on Florida's Space Coast that fuel your inner Space Nerd. - Learn tips and FAQs for watching a launch while you're visiting Florida's Space Coast. - Find the perfect viewing location with the interactive map. - Use the AR compass to point you towards the correct launch pad so you don't miss a thing. - Keep track of how many launches the Space Coast has had this year!
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
Zustand
Firebase
Axios
React Navigation
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.
