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
LivePapers - Live Wallpapers
Turn any image into a Live Photo with LivePapers
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.2
18 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 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 LivePapers - Live Wallpapers: map the core Lifestyle 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 a feature for user-generated content and community sharing.
Assumption to check: Poor user reviews due to lack of content variety.
Validate with people who use this workflow before building.
Hypothesis 2
Add advanced customization features like editing tools or filters.
Assumption to check: Limited customization options for wallpapers.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image loading and caching for faster performance.
Assumption to check: Subpar performance and loading times.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the subscription model and provide clear information on premium vs. free content.
Assumption to check: In-app purchase confusion.
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
Turn any image into a Live Photo with LivePapers. Finally you can take advantage of the new features available with iOS12 to change your iPhone lockscreen. Featured by Apple on 70+ countries. -- "In just a few minutes with the app, I came away really impressed. It worked extremely well on both my iPhone 6s Plus and iPad Air 2." - AppAdvice.com -- "If you have an iPhone 6S or 6S Plus, LivePaper helps give you more ways to take advantage of Apple’s live wallpapers." - Mashable.com -- "There are a few apps in the App Store than can achieve this but the best one I’ve found by far is called LivePapers. It is dead simple to use. It also comes with more transitions and options than most other Live Wallpaper maker apps I’ve found." - CultOfMac.com LivePapers brings the power of Live Photos to your Lockscreen* Create amazing live wallpapers in just a moment. Either choose a saved photo from your Camera Roll or shoot a new one. In a few seconds LivePapers will create an animated gorgeous retina wallpaper for you. Preview it with 3D Touch or with a long tap and if you are happy with it, save to your camera roll. *) Please note that an iPhone 6s or 6s Plus (or Higher) is required to use live wallpapers. We would love to hear from you. Please let us know by sending an email at: [email protected]
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
Supabase
React Navigation
Axios
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.
