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
SkySafari 8 Pro
SkySafari 8 Pro sets a new standard for mobile astronomy
$49.99 · In-app purchases
PRICE
$49.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
760 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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 SkySafari 8 Pro: 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 with more zoom levels and information on tap.
Assumption to check: Limited interactivity in star chart feature
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline access to star charts and event data.
Assumption to check: Lack of offline capabilities
Validate with people who use this workflow before building.
Hypothesis 3
Offer more competitive pricing or additional features.
Assumption to check: High subscription price compared to competitors
Validate with people who use this workflow before building.
Hypothesis 4
Simplify navigation and add a tutorial for first-time users.
Assumption to check: Navigation can be confusing for new 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
SkySafari 8 Pro sets a new standard for mobile astronomy. Built on the most complete astronomical database ever put on a phone, it delivers unmatched accuracy, powerful observing and planning tools, seamless telescope and Alpaca camera control, and a beautifully refined interface. Whether you're exploring from your backyard or planning an all-night session, SkySafari 8 Pro gives you the clarity, precision, and reliability that serious observers depend on. What’s New in Version 8 + UI Themes - Customize your experience with five new UI color themes. Instantly change the look of the app with a fresh visual palette. + ASCOM ALPACA Camera Support - Connect and control ALPACA-compatible astronomy cameras directly from SkySafari. + SmartEye Support - Seamless integration with SmartEye for enhanced imaging workflows. + Image Gallery - Import your own images from AstroBin, FITS files, local storage, URLs, or an ALPACA camera. Includes basic editing tools. + Plate Solving - Quickly plate-solve imported images and place them directly onto the sky chart. + Lunar Surface Outlines - Explore the Moon like never before with detailed outlines for maria, craters, mountains, and more. + Appulses in Events Finder - Find precise moments when the Moon or planets pass close to the Pleiades, other planets, or stars of a chosen magnitude. Also includes transit and occultation search capabilities. + Rotatable FOV Indicator - Rotate the field of view to any angle - perfect for matching your camera orientation. + Observing Conditions (Premium) - Get observer-focused hourly forecasts, including best viewing windows, seeing index, and sky quality metrics. If you're new to SkySafari 8 Pro, here’s what you can do: + Point & Identify - Hold your device to the sky and instantly identify stars, constellations, planets, satellites, and more. + Travel Through Time - Simulate the sky up to 5 million years backward or forward. Animate meteor showers, conjunctions, eclipses, and other events. + Telescope Control - Control your telescope and manage your observing sessions with advanced planning and logging tools. Supports ASCOM ALPACA, INDI, and StarSense Explorer. + Events Finder - Use the powerful search engine to find upcoming astronomical events visible from your location - tonight or far into the future. + Cloud Sync (Optional) - Securely back up observing data to LiveSky and access it across your devices or through LiveSky.com. + Augmented Reality (AR) Mode - View the sky with an AR overlay for an immersive experience. + Night Vision Mode - Preserve dark-adapted vision while you observe. + Orbit Mode - Leave Earth behind and fly through the solar system. + Galaxy View - See where deep-sky objects lie within the Milky Way. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.livesky.com/privacy.html
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 Navigation
Expo
Supabase
React Native Reanimated
Zustand
React Native Gesture Handler
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.
