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
Star Gazer - Live Sky View Map
Star Gazer: Live Sky View Map – Your Ultimate Skyview Watching Companion!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
1,550 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.
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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 included17 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 Star Gazer - Live Sky View Map: map the core Utilities 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
Implement better algorithms for star recognition.
Assumption to check: Limited star identification accuracy in different conditions
Validate with people who use this workflow before building.
Hypothesis 2
Provide an onboarding tutorial that guides users through features.
Assumption to check: Lacks comprehensive tutorials or guides for new users
Validate with people who use this workflow before building.
Hypothesis 3
Clearly outline what features are locked and provide clear upgrade paths.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance for smoother interactions.
Assumption to check: Occasional crashes during heavy usage
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
Star Gazer: Live Sky View Map – Your Ultimate Skyview Watching Companion! Unleash the wonder of the night sky with a number of stars and constellation, a cutting-edge app designed for avid astronomers, space enthusiasts, and curious minds alike walking through wonderful night sky view. Our app transforms your mobile device into a sophisticated sky tracking hub, enabling you to locate, follow, and enjoy beautiful stars, constellations and planets in the sky map with incredible accuracy and ease. ASTRONOMY FEATURES: ▸ Star Chart and 3D view for exploring the Live Sky View ▸ Detailed information on Stars, Planets, Constellations, Skylight frame and more ▸ Real-time updates on light Starry Night, cosmic events and phenomena ▸ Stunning 3D visualization of the sky safari, star chart, bringing stars to life ▸ Augmented reality mode, enhance your stargazing experience with AR ▸ Stay up-to-date with interesting fact about the Universe stellarium mobile ▸ Real-time skyview, solar system tracker as they travel across the sky lite galaxy ▸ Detailed calendar inform tonight and future astronomy event for perfect telescope Stay up-to-date with the latest cosmic events and phenomena, with real-time star chart & skymap updates. Never miss a meteor shower, eclipse, or any other celestial event for stargazer. Discover the fascinating world of stars, constellations, moon, planets, and comet; Star Gazer and space exploration with Star Identifier Map: Live Sky View. Immerse yourself in a stunning 3D view of the sky, where every star comes to life. Witness the beauty of constellations and navigate through the cosmos with ease. Download now and embark on a journey exploring the universe beyond! Terms of Service: https://leostudio.global/policies Privacy: https://leostudio.global/policies If you have any feedback, do not hesitate to contact us at https://leostudio.global/
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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
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axios
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expo-location
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.
