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
SpaceWatch Hub
SpaceWatch Hub – Your Window to What's Happening Above
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 SpaceWatch Hub: map the core Productivity 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
Conduct user testing to improve user experience and gather feedback.
Assumption to check: Lack of user reviews and insights about performance.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce unique features like space tracking or reminders.
Assumption to check: Limited features compared to established competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Implement better task/event categorization and filtering.
Assumption to check: Potential for cluttered UI with many tasks/events.
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more flexible pricing strategy or feature unlocking.
Assumption to check: Subscription model may deter users.
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
SpaceWatch Hub – Your Window to What's Happening Above Space isn't quiet. It's alive with solar storms, orbiting satellites, and discoveries unfolding in real time. SpaceWatch Hub brings it all together in one place, turning complex space activity into clear, actionable insight you can check anytime. Whether you're a space enthusiast, satellite operator, or just someone who likes to keep an eye on what's happening beyond the atmosphere, SpaceWatch Hub keeps you connected to the pulse of space. Track real-time space weather conditions and understand how solar activity may impact communications, navigation, and technology. Use the satellite look angle tool to determine where to point and how to connect quickly. Stay informed with the latest space news, and explore stunning imagery through curated photos from the NASA gallery. Everything is designed to be simple, fast, and meaningful, with no clutter or signal. Key Features: • Space Weather Monitoring – Stay ahead of solar activity and geomagnetic conditions • Satellite Look Angles – Quickly calculate positioning for satellite tracking • Space News Feed – Get the latest updates from across the space domain • NASA Image Gallery – Explore breathtaking photos from space missions and beyond • Clean, Focused Interface – Built for clarity, speed, and everyday use SpaceWatch Hub turns space from something distant into something you can understand and interact with daily. Whether you're tracking signals, watching the sun, or just exploring the universe from your pocket, this is your command center. Stay informed. Stay aligned. Stay connected to space.
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
React Navigation
React Native Paper
Expo Calendar
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.
