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
Outland - Space Journey
***Best of 2016!***
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.4
69 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 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 Outland - Space Journey: map the core Entertainment 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
Regularly add new scenes and features to keep users engaged.
Assumption to check: Limited content updates and new scenes
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear explanations of what each purchase unlocks.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Enhance visual design and animations for a better user experience.
Assumption to check: User interface is not very engaging
Validate with people who use this workflow before building.
Hypothesis 4
Introduce sharing options for users to showcase their journeys.
Assumption to check: No social sharing features
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
***Best of 2016!*** Outland is the app for creating an atmosphere of space journey right in your living-room. Hook up your device to TV or open it up on Apple TV to enjoy the beauty of space. The app plays beautiful videos accompanied with nicely arranged music that makes the experience of space deeper and stronger. 20 timelapse videos featuring: - Butterfly Nebula - Compilation of timelapses from the ISS - Calabash Nebula - Cat's Eye Nebula - Tropical cyclone moving over the Earth - Earth view during the Day and Night - Hubble Space Telescope flying over the surface of the Earth - ISS flying over the surface of the Earth - The lightning over the Earth aboard the ISS. - Winds of Jupiter - Flying around Minkowski's Butterfly Nebula - Watch Earth roll by through the perspective of ESA astronaut - Canary Islands to Italy - Planet Earth is Beautiful - ExoMars 2016 Liftoff - Flying from North Africa over Turkey - Liftoff of Vega carrying LISA Pathfinder - Flying over the English Channel - Sentinel-1B Prepares for Liftoff - A timelapse video by ESA astronaut Tim Peake
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
React Navigation
Axios
react-native-video
Zustand
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.
